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Who

Judith Sim

Director

Company insider

Files Form 4 as: Director, Fortinet; Director, First Advantage.

Every Form 4 they filed

In numbers

Trades disclosed
110
Buys
0
Sells
2
Bought
$0
Sold
$1.9M
Companies
2
Companies where not an officer
2
First trade
5 Aug 2015
Last trade
30 Sep 2026
Last filed
1 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
FTNT FortinetDirector · Cybersecurity · last 30 Sep 20260 buys · 2 sells
FA First AdvantageDirector · Payments & Processors · last 5 Jun 20260 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
30 Sep 2026filed 1 Oct 2026FTNT FortinetCybersecuritySEC FORM 4 Code M—459 at $0.00filing
30 Sep 2026filed 1 Oct 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—459 at $0.00filing
12 Aug 2026filed 13 Aug 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code A—1,836 at $0.00filing
12 Aug 2026filed 13 Aug 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code A—1,836 at $0.00filing
11 Jun 2026filed 12 Jun 2026FTNT FortinetCybersecuritySEC FORM 4 Code M—650 at $0.00filing
11 Jun 2026filed 12 Jun 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—650 at $0.00filing
11 Jun 2026filed 12 Jun 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—650 at $0.00filing
11 Jun 2026filed 12 Jun 2026FTNT FortinetCybersecuritySEC FORM 4 Code M—650 at $0.00filing
5 Jun 2026filed 8 Jun 2026FA First AdvantagePayments & ProcessorsSEC FORM 4 Code A—12,805 at $0.00filing
5 Jun 2026filed 8 Jun 2026FA First AdvantagePayments & ProcessorsSEC FORM 4 Code A—12,805 at $0.00filing
31 Mar 2026filed 1 Apr 2026FTNT FortinetCybersecuritySEC FORM 4 Code M—649 at $0.00filing
31 Mar 2026filed 1 Apr 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—649 at $0.00filing
31 Mar 2026filed 1 Apr 2026FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—649 at $0.00filing
31 Mar 2026filed 1 Apr 2026FTNT FortinetCybersecuritySEC FORM 4 Code M—649 at $0.00filing
31 Dec 2025filed 31 Dec 2025FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—649 at $0.00filing
31 Dec 2025filed 31 Dec 2025FTNT FortinetCybersecuritySEC FORM 4 Code M—649 at $0.00filing
30 Sep 2025filed 2 Oct 2025FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—649 at $0.00filing
30 Sep 2025filed 2 Oct 2025FTNT FortinetCybersecuritySEC FORM 4 Code M—649 at $0.00filing
20 Aug 2025filed 21 Aug 2025FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code A—2,597 at $0.00filing
12 Jun 2025filed 13 Jun 2025FTNT Fortinetoption or derivative · CybersecuritySEC FORM 4 Code M—1,130 at $0.00filing

Sectors

Technology2

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

Related people

Jean X. HuDirector · Director at Fortinet, filing Form 4 there in the last year
Ming HsiehDirector · Director at Fortinet, filing Form 4 there in the last year
Kenneth A. GoldmanDirector · Director at Fortinet, filing Form 4 there in the last year
James G. StavridisDirector · Director at Fortinet, filing Form 4 there in the last year
Derek T. KanDirector · Director at Fortinet, filing Form 4 there in the last year
Christiane OhlgartChief Financial Officer · Also traded FTNT in the last 90 days
John WhittleChief Operating Officer · Also traded FTNT in the last 90 days
Donald J. TrumpPresident · Also traded FTNT in the last 90 days