PartnerFacts
Data last updated: Oct 23, 2026, 5:45 PM ETLatest filing: Oct 22, 2026Now: Oct 24, 2026, 5:04 AM ET

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Michael Langdon

Named as an officer, director or promoter on SEC Form D filings · VA, IL · Jul 10, 2013 → May 8, 2017

11deals (issuers)
$469.5Mreported sold
142investors
14Form D filings
2013–2017years on file
Follow this personLook further ↓PDF

Data last updated Oct 23, 2026, 5:45 PM ET · Courts (RECAP) last checked: Oct 24, 2026, 3:04 AM ET · SEC enforcement last checked: covered by the index scan as of Oct 24, 2026, 2:50 AM ET

The short version

Michael Langdon is listed as an executive officer, director, and promoter on 14 SEC Form D filings by 11 issuers between Jul 2010 and Dec 2024. Largest by amount reported sold: Frontenac X Private Capital Limited Partnership (Chicago, IL — pooled investment fund — 2014; $203.8M reported sold to 58 investors), Salient Solutions, LLC (Fairfax, VA — industry reported as "Other" — 2010; $135.9M reported sold to 19 investors), AH HARRIS ACQUISITION HOLDINGS, LLC (Chicago, IL — construction — 2015–2016; $60.8M reported sold to 8 investors), Frontenac X Private Capital (Parallel) Limited Partnership (Chicago, IL — pooled investment fund — 2014; $46.2M reported sold to 25 investors), H-E PARTS INVESTORS LLC (Atlanta, GA — industry reported as "Other" — 2013; $22.8M reported sold to 32 investors) and 6 more (all listed below).

What this means That is a lot of deals — 11 separate companies raised money with this person listed as executive officer, director, and promoter, over about 14 years. Across those companies the filings report $469.5M sold in total.

Listed alongside RONALD W. KUEHL (11 shared filings), Walter C. Florence (11 shared filings), NEAL G. SAHNEY (10 shared filings), Paul D. Carbery (9 shared filings), ELIZABETH C. WILLIAMSON (8 shared filings) and 15 others.

What this means These are the other officers, directors or promoters the companies named on the same forms — the team around Michael. Each name links to their own page.

All 11 issuers belong to the sponsor group Frontenac (15 issuers, $524.6M reported sold, 2010–2024).

What this means A sponsor group is one team that sets up a new company for each deal. Frontenac has 15 companies on file and $524.6M reported sold in total — the group page shows the whole track record in one place.

Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — 16 bankruptcy cases matching the name listed in Key records below.

What this means 16 records came back. Each one is listed below with a link to the original document and a line saying why it matched. A name match is not proof it is the same person or company — read the why line and the document. Being sued or named in a release is an accusation, not a finding.

We compared 14 public filings for Michael Langdon and found 8 differences: Michael Langdon's role changed at Frontenac XI Private Capital (Parallel) Limited Partnership: executive officer → executive officer, promoter; Michael Langdon's role changed at Frontenac XI Private Capital Limited Partnership: executive officer → executive officer, promoter; and more below.

What this means These are differences between the sponsor's own SEC filings — both values, dates and sources are listed in Key records, section 4. Most have ordinary explanations; ask the sponsor.

What the community is saying

Community search for Michael Langdon has not run yet — it is joining a line of 5,982 names; searches run around the clock at the hosts' allowed rate. Searched so far: 27 names.

Community comments are quoted as written by their authors. Sources searched: BiggerPockets forums (via DuckDuckGo, Brave, Bing and BiggerPockets search) and Reddit (search feed + public archive).

Key records

Five things investors ask first. Items still in human review are counted, not shown.

1. Lawsuits

None found in sources searched — federal courts (CourtListener / RECAP), checked Oct 24, 2026

What was searched

Sources searched: CourtListener bulk data (RECAP dockets as of 2026-09-30; recall-first rule 10-24) — federal district + bankruptcy courts State courts: not covered (one-tap state court links under Look further). PACER: not searched. · Last checked Oct 24, 2026, 3:04 AM ET.

State courts: not covered (one-tap state court links under Look further). No state offers a lawful automated statewide source PartnerFacts can use today. Texas (re:SearchTX) terms prohibit storing results in a database open to third parties; New York (WebCivil) and Massachusetts (MassCourts) require a browser check that blocks scripted queries; California has no statewide index (58 county portals; Rule of Court 2.503 grants name-based access case by case); Florida, Utah and Illinois offer paid or partial access whose terms for automated use are unverified. Washington (dw.courts.wa.gov; bulk index reports under a JISC data-dissemination agreement), Delaware (CourtConnect; Court of Chancery not included) and Arizona (apps.azcourts.gov/publicaccess, which has an official channel to request high-volume access) are the candidates; PartnerFacts will request written permission before any automated search. Federal courts are searched through CourtListener / RECAP.

2. Regulatory actions

None found in sources searched — SEC enforcement releases (index scan as of Oct 24, 2026, 2:50 AM ET) · state securities regulators: AZ, CA, DE, TX, WA (crawled Oct 23, 2026)

What was searched

SEC enforcement searched: SEC litigation releases and administrative proceedings — respondent names in the sec.gov index titles (30,205 releases, 1995-09-19 to 2026-10-23); release text is read only to confirm a candidate. Names that appear only in the body of a release are not found. — Searched SEC litigation releases and administrative proceedings (1995→ / 2007→) (30,205 records as of Oct 24, 2026, 2:50 AM ET) — nothing matched Michael Langdon..

State securities regulators searched: AZ (Corporation Commission Securities Division), CA (DFPI — 16 of 12,159 DFPI respondent pages read so far; sponsor-name matches are read first), DE (DOJ Investor Protection Unit), TX (State Securities Board), WA (DFI) — last crawled Oct 23, 2026, 9:57 PM ET. Other states are not covered.

3. Bankruptcies

16 cases: 1 open, 15 closed (disposition not in docket feed)

Michael J. Langdon open
United States Bankruptcy Court, D. Maryland · No. 26-11364 · Filed Feb 9, 2026
Role of Michael J. Langdon: Debtor · Outcome: Open — no termination date on the docket (bulk snapshot 2026-09-30) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in MD (not a filing state)
Michael T Langdon and Constance Lee Langdon closed
United States Bankruptcy Court, S.D. Ohio · No. 3:21-bk-31599 · Filed Sep 21, 2021 · Closed Jan 26, 2022
Role of Michael T Langdon and Constance Lee Langdon: Debtor · Outcome: Case closed 2022-01-26 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in OH (not a filing state)
Michael J. Langdon closed
United States Bankruptcy Court, D. Maryland · No. 19-27005 · Filed Dec 26, 2019 · Closed Jan 4, 2021
Role of Michael J. Langdon: Debtor · Outcome: Case closed 2021-01-04 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in MD (not a filing state)
Michael Langdon closed
United States Bankruptcy Court, S.D. Florida. · No. 18-17896 · Filed Jun 29, 2018 · Closed Nov 15, 2018
Role of Michael Langdon: Debtor · Outcome: Case closed 2018-11-15 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in FL (not a filing state)
Michael B. Langdon closed
United States Bankruptcy Court, S.D. Ohio · No. 2:17-bk-50323 · Filed Jan 20, 2017 · Closed May 17, 2017
Role of Michael B. Langdon: Debtor · Outcome: Case closed 2017-05-17 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in OH (not a filing state)
Michael L. Langdon closed
United States Bankruptcy Court, W.D. Pennsylvania · No. 12-23994 · Filed Aug 10, 2012 · Closed Mar 8, 2013
Role of Michael L. Langdon: Debtor · Outcome: Case closed 2013-03-08 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in PA (not a filing state)
Michael J. Langdon closed
United States Bankruptcy Court, E.D. Wisconsin · No. 10-21260 · Filed Jan 30, 2010 · Closed Jun 23, 2010
Role of Michael J. Langdon: Debtor · Outcome: Case closed 2010-06-23 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in WI (not a filing state)
Michael E. Langdon and Katherine M. Langdon closed
United States Bankruptcy Court, W.D. Wisconsin · No. 3-09-15805 · Filed Aug 27, 2009 · Closed Dec 15, 2009
Role of Michael E. Langdon and Katherine M. Langdon: Debtor · Outcome: Case closed 2009-12-15 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in WI (not a filing state)
Michael D. Langdon and Tammy D. Langdon closed
United States Bankruptcy Court, W.D. Kentucky · No. 06-40609 · Filed Sep 11, 2006 · Closed Aug 26, 2011
Role of Michael D. Langdon and Tammy D. Langdon: Debtor · Outcome: Case closed 2011-08-26 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in KY (not a filing state)
Kellie Langdon and Michael Langdon closed
United States Bankruptcy Court, W.D. Pennsylvania · No. 04-13105 · Filed Nov 23, 2004 · Closed Mar 18, 2005
Role of Michael Langdon: Debtor · Outcome: Case closed 2005-03-18 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in PA (not a filing state)
Michael Langdon closed
United States Bankruptcy Court, S.D. California · No. 04-08250 · Filed Sep 22, 2004 · Closed Dec 24, 2004
Role of Michael Langdon: Debtor · Outcome: Case closed 2004-12-24 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in CA (not a filing state)
Michael R Langdon closed
United States Bankruptcy Court, C.D. California · No. 1:04-bk-13772 · Filed May 28, 2004 · Closed Sep 20, 2004
Role of Michael R Langdon: Debtor · Outcome: Case closed 2004-09-20 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in CA (not a filing state)
Michael J. Langdon and Ellen L. Langdon closed
United States Bankruptcy Court, W.D. New York · No. 2-02-24231 · Filed Oct 25, 2002 · Closed Jul 17, 2006
Role of Michael J. Langdon and Ellen L. Langdon: Debtor · Outcome: Case closed 2006-07-17 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in NY (not a filing state)
Michael T Langdon and Constance L Langdon closed
United States Bankruptcy Court, S.D. Ohio · No. 1:97-bk-16128 · Filed Oct 6, 1997 · Closed Jan 29, 1998
Role of Michael T Langdon and Constance L Langdon: Debtor · Outcome: Case closed 1998-01-29 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in OH (not a filing state)
Michael J. Langdon, Sr. and Ellen L. Langdon closed
United States Bankruptcy Court, W.D. New York · No. 2-96-21964 · Filed Jul 9, 1996 · Closed Jun 10, 1997
Role of Michael J. Langdon, Sr.: Debtor · Outcome: Case closed 1997-06-10 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in NY (not a filing state)
Michael G. Langdon closed
United States Bankruptcy Court, D. New Jersey · No. 91-27894 · Filed Nov 20, 1991 · Closed Apr 30, 1993
Role of Michael G. Langdon: Debtor · Outcome: Case closed 1993-04-30 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 26 federal dockets); 2 people with this name in Form D filings; court in NJ (not a filing state)
What was searched

Sources searched: Federal bankruptcy courts via CourtListener / RECAP archive (federal district courts, federal bankruptcy courts). State courts: not covered (one-tap state court links under Look further). PACER: not searched (RECAP only). · Last checked Oct 24, 2026, 3:04 AM ET.

Court records show docket facts only; we never restate allegations as facts. Outcome wording comes from the docket feed; where it does not state a disposition we say so.

State courts: not covered (one-tap state court links under Look further). No state offers a lawful automated statewide source PartnerFacts can use today. Texas (re:SearchTX) terms prohibit storing results in a database open to third parties; New York (WebCivil) and Massachusetts (MassCourts) require a browser check that blocks scripted queries; California has no statewide index (58 county portals; Rule of Court 2.503 grants name-based access case by case); Florida, Utah and Illinois offer paid or partial access whose terms for automated use are unverified. Washington (dw.courts.wa.gov; bulk index reports under a JISC data-dissemination agreement), Delaware (CourtConnect; Court of Chancery not included) and Arizona (apps.azcourts.gov/publicaccess, which has an official channel to request high-volume access) are the candidates; PartnerFacts will request written permission before any automated search. Federal courts are searched through CourtListener / RECAP.

4. Differences between public sources

Comparisons cover issuers and sponsor groups — see the issuer pages under Deals

8 differences found between the filings for Michael Langdon (compared 14 filings on Oct 24, 2026)

Note · May 8, 2017 – Jul 21, 2023

Michael Langdon's role changed at Frontenac XI Private Capital (Parallel) Limited Partnership: executive officer → executive officer, promoter

The May 8, 2017 filing lists Michael Langdon as executive officer; the Jul 21, 2023 Form D lists executive officer, promoter.

What this means Roles on Form D are self-reported by the issuer. A change can mean a real change in who runs the company, or just a different box ticked. Ask who makes decisions today.

Form D · May 8, 2017 ↗Form D · Jul 21, 2023 ↗Michael Langdon — PartnerFacts page ↗Frontenac XI Private Capital (Parallel) Limited Partnership — PartnerFacts page ↗
Sources
Note · May 8, 2017 – Jul 21, 2023

Michael Langdon's role changed at Frontenac XI Private Capital Limited Partnership: executive officer → executive officer, promoter

The May 8, 2017 filing lists Michael Langdon as executive officer; the Jul 21, 2023 Form D lists executive officer, promoter.

What this means Roles on Form D are self-reported by the issuer. A change can mean a real change in who runs the company, or just a different box ticked. Ask who makes decisions today.

Form D · May 8, 2017 ↗Form D · Jul 21, 2023 ↗Michael Langdon — PartnerFacts page ↗Frontenac XI Private Capital Limited Partnership — PartnerFacts page ↗
Sources
Note · Dec 12, 2012 – Jul 14, 2014

No amendment in the last 12 months on an offering that may still be open — Frontenac X Private Capital (Parallel) Limited Partnership (latest filing Jul 14, 2014)

The latest filing for this offering is dated Jul 14, 2014 (first sale Dec 12, 2012). It reports $46,230,500 sold of an indefinite amount offered. No later amendment is in our index as of Oct 24, 2026.

What this means SEC rules expect a yearly amendment while an offering is still going. The raise may simply have ended — a Form D does not say when it closed. Ask the sponsor whether the offering closed, when, and at what amount.

Form D/A · Jul 14, 2014 ↗Frontenac X Private Capital (Parallel) Limited Partnership — PartnerFacts page ↗
Sources
Note · Dec 12, 2012 – Jul 14, 2014

No amendment in the last 12 months on an offering that may still be open — Frontenac X Private Capital Limited Partnership (latest filing Jul 14, 2014)

The latest filing for this offering is dated Jul 14, 2014 (first sale Dec 12, 2012). It reports $203,769,500 sold of an indefinite amount offered. No later amendment is in our index as of Oct 24, 2026.

What this means SEC rules expect a yearly amendment while an offering is still going. The raise may simply have ended — a Form D does not say when it closed. Ask the sponsor whether the offering closed, when, and at what amount.

Form D/A · Jul 14, 2014 ↗Frontenac X Private Capital Limited Partnership — PartnerFacts page ↗
Sources
Note · Jul 6, 2010 – Sep 16, 2021

Michael Langdon is written 2 different ways on the filings

listed as "Michael Langdon" on 8 filings (from Jul 6, 2010), and "Michael S. Langdon" on 6 filings (from Sep 16, 2021).

What this means Same person, written differently — a middle name or suffix left off, or spelled another way. It is normal, but check that the full legal name matches your subscription documents.

Form D · Jul 6, 2010 ↗Form D · Sep 16, 2021 ↗Michael Langdon — PartnerFacts page ↗
Sources
Note · Dec 12, 2013 – Dec 12, 2014

Same name, different state: "Michael R. F. Langdon" (X0) is a separate record

This page covers filings where the address state is VA or IL. A separate record, "Michael R. F. Langdon" with address state X0, is listed on 3 filings — most recently by Rutland Fund III L.P. (Dec 12, 2014). Both records have filings in the same period (Dec 12, 2013 to Dec 12, 2014).

What this means Two records with one name were active at the same time. That can be one person listing different company addresses, or two different people. We keep them apart until a filing ties them together. Check both pages before you decide.

Michael R. F. Langdon (X0) — PartnerFacts page ↗Form D/A · Dec 12, 2014 ↗Rutland Fund III L.P. — PartnerFacts page ↗Michael Langdon (VA,IL) — this page ↗
Sources
Note · Jun 12, 2015 – Apr 7, 2016

Address moved from Chicago, IL to West Hartford, CT — AH HARRIS ACQUISITION HOLDINGS, LLC

The people listed on the Jun 12, 2015 filing give Chicago, IL; on the Apr 7, 2016 filing they give West Hartford, CT.

What this means Businesses move; this just shows the two places and dates. If you were told one city and the forms say another, ask which is current.

Form D · Jun 12, 2015 ↗Form D · Apr 7, 2016 ↗AH HARRIS ACQUISITION HOLDINGS, LLC — PartnerFacts page ↗
Sources
Note · Jul 6, 2010 – Dec 11, 2024

Michael Langdon is listed with 2 different address states: VA, IL

VA on 1 filing (Jul 6, 2010); IL on 13 filings (Jul 10, 2013 to Dec 11, 2024).

What this means The address on a Form D is usually the company's, not the person's home, so this often just reflects different companies. It can also mean a move. Nothing wrong by itself.

Form D · Jul 6, 2010 ↗Form D · Jul 10, 2013 ↗
Sources
What is compared

What is compared: every Form D and D/A we hold for this subject, side by side — filing dates vs. first-sale dates (the 15-day rule), amendment timing on open offerings (the yearly-amendment expectation), amounts sold, investor counts, offering amounts and minimums across amendments, industry and size bands, addresses, how each person's name and role is written, paid sellers' CRD numbers, and (for groups) where the member companies were formed and sit. Everything is as filed by the issuer; the SEC does not check it. Differences are common and usually have ordinary explanations — we show both values, the dates, and the source so you can ask. As of Oct 24, 2026.

5. Money to insiders

2 of 14 offerings report sales commissions totalling $1,742,601; 0 report finder's fees; 0 report proceeds to related persons. (includes amounts the issuer reported as estimates)

Offering (latest filing)Sales commissionsFinder's feesTo insidersPaid to sell itSource
Dec 11, 2024 D
FRONTENAC XIII PRIVATE CAPITAL (PARALLEL) LIMITED PARTNERSHIP
File 021-531821
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
HARRIS WILLIAMS LLC BrokerCheck CRD 113930 ↗EDGAR ↗
Dec 11, 2024 D
FRONTENAC XIII PRIVATE CAPITAL LIMITED PARTNERSHIP
File 021-531819
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
HARRIS WILLIAMS LLC BrokerCheck CRD 113930 ↗EDGAR ↗
Jul 21, 2023 D
Frontenac XI Private Capital (Parallel) Limited Partnership
File 021-487618
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
EVERCORE GROUP L.L.C. BrokerCheck CRD 42405 ↗EDGAR ↗
Jul 21, 2023 D
Frontenac XI Private Capital Limited Partnership
File 021-487619
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
EVERCORE GROUP L.L.C. BrokerCheck CRD 42405 ↗EDGAR ↗
Sep 16, 2021 D
FRONTENAC XII PRIVATE CAPITAL LIMITED PARTNERSHIP
File 021-413642
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
M2O PRIVATE FUND ADVISORS LLC BrokerCheck CRD 158741 ↗EDGAR ↗
Sep 16, 2021 D
FRONTENAC XII PRIVATE CAPITAL (PARALLEL) LIMITED PARTNERSHIP
File 021-413641
$0 (est.)$0 (est.)$0 (est.)
The general partner of the Issuer is entitled to carried interest. The investment manager of the Issuer is entitled to a management fee. The carried interest and management fee are fully discussed in the Issuer's confidential offering materials.
M2O PRIVATE FUND ADVISORS LLC BrokerCheck CRD 158741 ↗EDGAR ↗
May 8, 2017 D
Frontenac XI Private Capital Limited Partnership
File 021-286197
$0$0$0M20 Private Fund Advisors, LLC BrokerCheck CRD 158741 ↗EDGAR ↗
May 8, 2017 D
Frontenac XI Private Capital (Parallel) Limited Partnership
File 021-286199
$0$0$0M20 Private Fund Advisors, LLC BrokerCheck CRD 158741 ↗EDGAR ↗
Apr 7, 2016 D
AH HARRIS ACQUISITION HOLDINGS, LLC
File 021-260817
$0$0$0None listed on this filingEDGAR ↗
Jun 12, 2015 D
AH HARRIS ACQUISITION HOLDINGS, LLC
File 021-241674
$0$0$0None listed on this filingEDGAR ↗
Jul 14, 2014 D/A
Frontenac X Private Capital Limited Partnership
File 021-187879
$1,089,002 (est.)$0$0 (est.)
The issuer will pay to its General Partner (or its affiliate) an annual management fee equal to 2.0% of the aggregate capital commitments of the partners.
M20 Private Fund Advisors, LLC BrokerCheck CRD 158741 ↗EDGAR ↗
Jul 14, 2014 D/A
Frontenac X Private Capital (Parallel) Limited Partnership
File 021-187882
$653,599 (est.)$0$0 (est.)
The Issuer will pay to its General Partner (or its affiliate) an annual management fee equal to 2.0% of the aggregate capital commitments of the partners.
M20 Private Fund Advisors, LLC BrokerCheck CRD 158741 ↗EDGAR ↗
Jul 10, 2013 D
H-E PARTS INVESTORS LLC
File 021-199307
$0$0$0None listed on this filingEDGAR ↗
Jul 6, 2010 D
Salient Solutions, LLC
File 021-144483
$0$0$0None listed on this filingEDGAR ↗
How this is counted

Counts come from Form D Items 12–15 on the filings in our index (latest filing per offering; one offering = one SEC file number; an amendment updates its offering rather than adding one). "To insiders" = gross proceeds used for payments to executive officers, directors or promoters. "—" = not reported on that filing. Amounts marked (est.) were reported as estimates. "Paid to sell it" = sales compensation recipients named on that filing (Item 12), each linked to FINRA BrokerCheck when a CRD number is reported.

Counted across every filing this person is listed on (latest filing per offering, per issuer).

Deals 11

Every issuer that named Michael Langdon on a Form D, newest first. A Form D is the notice a company files after it starts selling a private investment.

FX
Pooled Investment Fund · group: Frontenac

FRONTENAC XIII PRIVATE CAPITAL (PARALLEL) LIMITED PARTNERSHIP

Chicago, IL · Dec 11, 2024
  • Dec 11, 2024 · D · $0 sold of $700,000,000 · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

FRONTENAC XIII PRIVATE CAPITAL LIMITED PARTNERSHIP

Chicago, IL · Dec 11, 2024
  • Dec 11, 2024 · D · $0 sold of $700,000,000 · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

Frontenac XI Private Capital Limited Partnership

Chicago, IL · May 8, 2017 → Jul 21, 2023 · 2 filings
  • Jul 21, 2023 · D · $0 sold of Indefinite · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗
  • May 8, 2017 · D · $0 sold of Indefinite · 0 investors · min. No minimum reported · role: Executive Officer (Managing Director of the Promoter) EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter on 2 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

Frontenac XI Private Capital (Parallel) Limited Partnership

Chicago, IL · May 8, 2017 → Jul 21, 2023 · 2 filings
  • Jul 21, 2023 · D · $0 sold of Indefinite · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗
  • May 8, 2017 · D · $0 sold of Indefinite · 0 investors · min. No minimum reported · role: Executive Officer (Managing Director of the Promoter) EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter on 2 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

FRONTENAC XII PRIVATE CAPITAL LIMITED PARTNERSHIP

Chicago, IL · Sep 16, 2021
  • Sep 16, 2021 · D · $0 sold of $425,000,000 · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

FRONTENAC XII PRIVATE CAPITAL (PARALLEL) LIMITED PARTNERSHIP

Chicago, IL · Sep 16, 2021
  • Sep 16, 2021 · D · $0 sold of $425,000,000 · 0 investors · min. No minimum reported · role: Executive Officer, Promoter EDGAR ↗

No sales reported yet as of the latest filing. Michael is listed as executive officer, promoter.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

AH
Construction · group: Frontenac

AH HARRIS ACQUISITION HOLDINGS, LLC

Chicago, IL · Jun 12, 2015 → Apr 7, 2016 · 2 filings
  • Apr 7, 2016 · D · $12,000,000 sold of $12,000,000 · 1 investors · min. $50,000 · role: Executive Officer, Director EDGAR ↗
  • Jun 12, 2015 · D · $60,750,000 sold of $60,750,000 · 8 investors · min. $50,000 · role: Executive Officer, Director EDGAR ↗

Raised $60.8M from 8 investors (100% of the $12M target) as of the latest filing. Michael is listed as executive officer, director on 2 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Construction / 506(b) (313 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

Frontenac X Private Capital (Parallel) Limited Partnership

Chicago, IL · Jul 14, 2014
  • Jul 14, 2014 · D/A · $46,230,500 sold of Indefinite · 25 investors · min. No minimum reported · role: Executive Officer EDGAR ↗

Raised $46.2M from 25 investors as of the latest filing. Michael is listed as executive officer.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

FX
Pooled Investment Fund · group: Frontenac

Frontenac X Private Capital Limited Partnership

Chicago, IL · Jul 14, 2014
  • Jul 14, 2014 · D/A · $203,769,500 sold of Indefinite · 58 investors · min. No minimum reported · role: Executive Officer EDGAR ↗

Raised $203.8M from 58 investors as of the latest filing. Michael is listed as executive officer.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

HE
Other · group: Frontenac

H-E PARTS INVESTORS LLC

Atlanta, GA · Jul 10, 2013
  • Jul 10, 2013 · D · $22,800,000 sold of $22,800,000 · 32 investors · min. $1 · role: Executive Officer (Vice President and Secretary) EDGAR ↗

Raised $22.8M from 32 investors (100% of the $22.8M target) as of the latest filing. Michael is listed as executive officer.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer.

SS
Other · group: Frontenac

Salient Solutions, LLC

Fairfax, VA · Jul 6, 2010
  • Jul 6, 2010 · D · $135,950,000 sold of $135,950,000 · 19 investors · min. No minimum reported · role: Director, Promoter EDGAR ↗

Raised $135.9M from 19 investors (100% of the $135.9M target) as of the latest filing. Michael is listed as director, promoter.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer.

Other pages with the same name (1)

Separate person records under the same name, not combined with this page. Each line says whether it shares an issuer with this record.

  • Michael R. F. Langdon — United Kingdom (as filed: X0), 2 issuers, Dec 12, 2013 → Dec 12, 2014 · no shared issuer

People around Michael 20

Officers, directors, promoters and management entities named on the same filings, as of Oct 23, 2026, 5:45 PM ET.

CF
Management entity

C. Frontenac Company LLC

Promoter · 2 shared filings (2 issuers)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

RK
No photo found yet (own website and image search run after this page is viewed)
Person

RONALD W. KUEHL

Executive Officer, Director, Promoter · 11 shared filings (9 issuers) · also on 1 other issuer

RONALD W. KUEHL is on 10 issuers in total — a repeat sponsor. Their page lists every one.

WF
No photo found yet (own website and image search run after this page is viewed)
Person

Walter C. Florence

Director, Promoter, Executive Officer · 11 shared filings (9 issuers) · also on 4 other issuers

Walter C. Florence is on 13 issuers in total — a repeat sponsor. Their page lists every one.

NS
No photo found yet (own website and image search run after this page is viewed)
Person

NEAL G. SAHNEY

Executive Officer, Director, Promoter · 10 shared filings (7 issuers)

NEAL G. SAHNEY is on 7 issuers in total — a repeat sponsor. Their page lists every one.

PC
No photo found yet (own website and image search run after this page is viewed)
Person

Paul D. Carbery

Executive Officer, Promoter · 9 shared filings (7 issuers) · also on 1 other issuer

Paul D. Carbery is on 8 issuers in total — a repeat sponsor. Their page lists every one.

JR
No photo found yet (own website and image search run after this page is viewed)
Person

JOSEPH R. RONDINELLI

Executive Officer, Promoter · 8 shared filings (6 issuers)

JOSEPH R. RONDINELLI is on 6 issuers in total — a repeat sponsor. Their page lists every one.

EW
No photo found yet (own website and image search run after this page is viewed)
Person

ELIZABETH C. WILLIAMSON

Executive Officer, Promoter · 8 shared filings (6 issuers)

ELIZABETH C. WILLIAMSON is on 6 issuers in total — a repeat sponsor. Their page lists every one.

JB
No photo found yet (own website and image search run after this page is viewed)
Person

Julia A. Bender

Executive Officer, Promoter · 4 shared filings (4 issuers)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

JB
No photo found yet (own website and image search run after this page is viewed)
Person

JULIE A. BENDER

Executive Officer, Promoter · 4 shared filings (4 issuers)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

MM
No photo found yet (own website and image search run after this page is viewed)
Person

MARKIE L. MASRI

Executive Officer, Promoter · 4 shared filings (4 issuers)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

JS
No photo found yet (own website and image search run after this page is viewed)
Person

Jeremy H. Silverman

Executive Officer · 2 shared filings (2 issuers) · also on 1 other issuer

Listed on the same filings as Michael Langdon. Their page shows their other deals.

JC
No photo found yet (own website and image search run after this page is viewed)
Person

James E. Cowie

Executive Officer · 2 shared filings (2 issuers) · also on 1 other issuer

Listed on the same filings as Michael Langdon. Their page shows their other deals.

RG
No photo found yet (own website and image search run after this page is viewed)
Person

Rodney L. Goldstein

Executive Officer · 2 shared filings (2 issuers) · also on 2 other issuers

Listed on the same filings as Michael Langdon. Their page shows their other deals.

KC
No photo found yet (own website and image search run after this page is viewed)
Person

KIMBERLY CORWIN

Executive Officer, Director · 2 shared filings (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

JE
No photo found yet (own website and image search run after this page is viewed)
Person

JOE EICHELBERGER

Executive Officer, Director · 2 shared filings (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

RO
No photo found yet (own website and image search run after this page is viewed)
Person

Ray Oleson

Executive Officer, Director · 1 shared filing (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

PF
No photo found yet (own website and image search run after this page is viewed)
Person

Paul Fishbin

Director · 1 shared filing (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

SA
No photo found yet (own website and image search run after this page is viewed)
Person

S. Bradford Antle

Executive Officer, Director · 1 shared filing (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

SM
No photo found yet (own website and image search run after this page is viewed)
Person

Steven Ross McBrayer

Executive Officer · 1 shared filing (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

PM
No photo found yet (own website and image search run after this page is viewed)
Person

PAUL MCKINNELL

Director · 1 shared filing (1 issuer)

Listed on the same filings as Michael Langdon. Their page shows their other deals.

The team behind the deals

F
Sponsor group

Frontenac

15 issuers · 21 filings · $524.6M reported sold · 2010–2024

One team, 15 deal companies. Michael Langdon is listed on 11 of them.

Sources

Issuers are grouped when their Form D filings share related persons, a management entity or a business address (automatic match from the filings). "Listed" marks the issuers that name Michael Langdon.

Same business address

51 other issuers file from the same address (first 50 shown)

A shared address can mean the same team, a shared office building or a registered agent. It is a lead, not a conclusion.

Registrations and other filings

Adviser registration (Form ADV)

None of the 11 issuers this person is listed on appears in Form ADV (searched 24,962 advisers as of Oct 2, 2026). A person is never an adviser firm; Form ADV is checked for the issuers and the management companies they are listed with.

Other offering types (Regulation A and Regulation Crowdfunding)

Searched SEC Regulation A Data Sets (Forms 1-A, 1-K, 1-Z; 2015 Q2 → 2026 Q3); SEC Crowdfunding Offerings Data Sets (Form C family; 2016 Q2 → 2026 Q3); EDGAR form index for 2026 Q3 → 2026 Q4 (51,358 records as of Oct 23, 2026, 8:41 PM ET) — nothing matched this name.

Property records none — individuals are not matched

Property records are matched to companies only, never to individuals, so none are matched to Michael Langdon by design. Searched property records in Hillsborough County FL (Clerk recorded-document index Oct 14, 2026 to Oct 15, 2026 + FL DOR 2026 ownership roll), Miami-Dade County FL (FL DOR 2026 ownership roll), Harris County TX (HCAD 2026 ownership roll), Dallas County TX (DCAD 2026 ownership roll), New York City ACRIS documents and PLUTO ownership rows already retrieved for other issuers, Cook County IL sale and ownership rows already retrieved for other issuers (814,874 records as of Oct 23, 2026, 8:59 PM ET) for the 11 issuers this person is listed on — nothing matched.

Public profiles and social

Websites and social links of the issuers Michael Langdon is listed on: none on file. No website or social profile named in Frontenac X Private Capital Limited Partnership's SEC filings (Form C, Reg A, Form ADV; checked Oct 24, 2026). Web search for this name: #316,267 of 374,652 in line (14 issuers searched so far). One-tap searches: Look further ↓

Look further

One-tap searches on sites we do not index ourselves, with the name pre-filled (Chicago, IL). Each opens in a new tab; what you find there is not verified by PartnerFacts.

Social and web

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Courts

CourtListener / RECAP (federal) ↗PACER case locator (federal, login) ↗Virginia state courts — find the court ↗Cook County Clerk of Court case search ↗Georgia state courts — find the court ↗

Securities regulators

SEC EDGAR full-text search ↗SEC action look-up ↗FINRA BrokerCheck ↗SEC IAPD adviser search ↗

Business registries

Virginia Secretary of State business search ↗Illinois Secretary of State business search ↗Georgia Secretary of State business search ↗OpenCorporates ↗

Change history

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