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Who

Marshall A. Heinberg

Director

Company insider

Files Form 4 as: Director, Custom Truck One Source; Director, ContextLogic; Director, ContextLogic; Director, Channeladvisor; Director, Pae; Director, Ecology & Environment; Director, Universal Biosensors; Director, National Financial Partners.

In numbers

Trades disclosed
83
Buys
9
Sells
1
Bought
$1.8M
Sold
$292K
Companies
9
Companies where not an officer
9
First trade
17 Sep 2010
Last trade
1 Apr 2026
Last filed
2 Apr 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CTOS Custom Truck One SourceDirector · Business Services · last 1 Apr 20268 buys · 0 sells
ContextLogicDirector · E-Commerce & Marketplaces · last 15 Jan 20260 buys · 0 sells
ContextLogicDirector · last 19 Apr 20250 buys · 0 sells
ChanneladvisorDirector · last 15 Nov 20221 buy · 1 sell
PaeDirector · last 15 Feb 20220 buys · 0 sells
Ecology & EnvironmentDirector · last 31 Dec 20190 buys · 0 sells
Universal BiosensorsDirector · last 26 Sep 20130 buys · 0 sells
National Financial PartnersDirector · last 1 Jul 20130 buys · 0 sells
Image EntertainmentDirector · last 3 Oct 20120 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Apr 2026filed 2 Apr 2026CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code A—34,605 at $0.00filing
1 Apr 2026filed 2 Apr 2026CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code A—34,605 at $0.00filing
31 Mar 2026filed 2 Apr 2026CTOS Custom Truck One SourceBusiness ServicesSEC FORM 4 Code M—48,346 at $0.00filing
31 Mar 2026filed 2 Apr 2026CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code M—48,346 at $0.00filing
31 Mar 2026filed 2 Apr 2026CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code M—48,346 at $0.00filing
31 Mar 2026filed 2 Apr 2026CTOS Custom Truck One SourceBusiness ServicesSEC FORM 4 Code M—48,346 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicE-Commerce & MarketplacesSEC FORM 4 Code M—44,321 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicoption or derivative · E-Commerce & MarketplacesSEC FORM 4 Code M—44,321 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicoption or derivative · E-Commerce & MarketplacesSEC FORM 4 Code A—19,206 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicoption or derivative · E-Commerce & MarketplacesSEC FORM 4 Code M—44,321 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicoption or derivative · E-Commerce & MarketplacesSEC FORM 4 Code A—19,206 at $0.00filing
15 Jan 2026filed 20 Jan 2026ContextLogicE-Commerce & MarketplacesSEC FORM 4 Code M—44,321 at $0.00filing
5 Dec 2025filed 8 Dec 2025ContextLogicoption or derivative · E-Commerce & MarketplacesSEC FORM 4 Code M—64,801 at $0.00filing
5 Dec 2025filed 8 Dec 2025ContextLogicE-Commerce & MarketplacesSEC FORM 4 Code M—64,801 at $0.00filing
19 Apr 2025filed 21 Apr 2025ContextLogicoption or derivativeSEC FORM 4 Code M—25,684 at $0.00filing
19 Apr 2025filed 21 Apr 2025ContextLogicSEC FORM 4 Code M—25,684 at $0.00filing
1 Apr 2025filed 2 Apr 2025CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code A—48,346 at $0.00filing
31 Mar 2025filed 2 Apr 2025CTOS Custom Truck One Sourceoption or derivative · Business ServicesSEC FORM 4 Code M—39,993 at $0.00filing
31 Mar 2025filed 2 Apr 2025CTOS Custom Truck One SourceBusiness ServicesSEC FORM 4 Code M—39,993 at $0.00filing
15 Jan 2025filed 17 Jan 2025ContextLogicoption or derivativeSEC FORM 4 Code A—44,321 at $0.00filing

News

Analyzing Custom Truck One Source (NYSE:CTOS) and Willis Lease Finance (NASDAQ:WLFC)CTOS · dailypolitical.com · 20 Oct 2026

0 headlines in the last 90 days name Marshall A. Heinberg; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Industrials8
Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Scott Matthew StewartCFO & COO · CFO & COO at ContextLogic Holdings, filing Form 4 there in the last year
Paul S. LevyDirector · Director at ContextLogic Holdings, filing Form 4 there in the last year
Raja BobbiliDirector and 10% owner · Director and 10% owner at ContextLogic Holdings, filing Form 4 there in the last year
Christopher J. EperjesyChief Financial Officer · Chief Financial Officer at Custom Truck One Source, filing Form 4 there in the last year
Fredrick M. Ross Jr.Director · Director at Custom Truck One Source, filing Form 4 there in the last year