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Who

Justin Matthew Zeefe

Director

Company insider

Files Form 4 as: Director, Swarmer.

Every Form 4 they filed

In numbers

Trades disclosed
15
Buys
0
Sells
1
Bought
$0
Sold
$1.2M
Companies
1
Companies where not an officer
1
First trade
18 Mar 2026
Last trade
1 Oct 2026
Last filed
2 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SWMR SwarmerDirector · Software · last 1 Oct 20260 buys · 1 sell

Activity over time

1 Sep – 1 Oct
101 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Oct 2026filed 2 Oct 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code A—6,428 at $0.00filing
16 Sep 2026filed 17 Sep 2026SWMR SwarmerSoftwareSEC FORM 4 Sold$576K23,885 at $24.12filing
16 Sep 2026filed 17 Sep 2026SWMR SwarmerSoftwareSEC FORM 4 Sold$576K23,885 at $24.12filing
15 Sep 2026filed 17 Sep 2026SWMR SwarmerSoftwareSEC FORM 4 Code J—223,599 at $0.00filing
15 Sep 2026filed 17 Sep 2026SWMR SwarmerSoftwareSEC FORM 4 Code J—223,599 at $0.00filing
13 Aug 2026filed 17 Aug 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code A—2,511 at $0.00filing
13 Aug 2026filed 17 Aug 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code A—2,511 at $0.00filing
18 Mar 2026filed 18 Mar 2026SWMR SwarmerSoftwareSEC FORM 4 Code C—139,932filing
18 Mar 2026filed 18 Mar 2026SWMR SwarmerSoftwareSEC FORM 4 Code C—359,995filing
18 Mar 2026filed 18 Mar 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code C—74,380filing
18 Mar 2026filed 18 Mar 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code C—74,380filing
18 Mar 2026filed 18 Mar 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code C—191,354filing
18 Mar 2026filed 18 Mar 2026SWMR Swarmeroption or derivative · SoftwareSEC FORM 4 Code C—191,354filing
18 Mar 2026filed 18 Mar 2026SWMR SwarmerSoftwareSEC FORM 4 Code C—139,932filing
18 Mar 2026filed 18 Mar 2026SWMR SwarmerSoftwareSEC FORM 4 Code C—359,995filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Technology1

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

Related people

Erik Dean PrinceDirector · Director at Swarmer, filing Form 4 there in the last year
Philip WagenheimDirector · Director at Swarmer, filing Form 4 there in the last year
Derek ReisfieldDirector · Director at Swarmer, filing Form 4 there in the last year
Edward N. AntoianDirector · Director at Swarmer, filing Form 4 there in the last year
Serhii KupriienkoDirector and 10% owner · Director and 10% owner at Swarmer, filing Form 4 there in the last year
Alexander FinkDirector and Officer · Also traded SWMR in the last 90 days