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Who

M. Kathleen Behrens

Director

Company insider

Files Form 4 as: Director, Sarepta Therapeutics; Director, IGM Biosciences; Director, MiMedx Group; Director, Amylin Pharmaceuticals; Director, Abgenix.

In numbers

Trades disclosed
149
Buys
13
Sells
2
Bought
$12.7M
Sold
$1.7M
Companies
5
Companies where not an officer
5
First trade
1 Apr 2006
Last trade
4 Jun 2026
Last filed
5 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SRPT Sarepta TherapeuticsDirector · Biotechnology · last 4 Jun 20266 buys · 2 sells
IGM BiosciencesDirector · last 14 Aug 20257 buys · 0 sells
MDXG MiMedx GroupDirector · Medical Devices · last 18 Jun 20250 buys · 0 sells
Amylin PharmaceuticalsDirector · last 8 Aug 20120 buys · 0 sells
AbgenixDirector · last 1 Apr 20060 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
4 Jun 2026filed 5 Jun 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code A—16,875filing
4 Jun 2026filed 5 Jun 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code A—16,875filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code M$144K10,500 at $13.71filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code F$144K6,494 at $22.17filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,500 at $0.00filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,500 at $0.00filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code M$144K10,500 at $13.71filing
27 Jan 2026filed 29 Jan 2026SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code F$144K6,494 at $22.17filing
14 Aug 2025filed 14 Aug 2025IGM BiosciencesSEC FORM 4 Code D—22,222filing
14 Aug 2025filed 14 Aug 2025IGM BiosciencesSEC FORM 4 Code D—330,700filing
14 Aug 2025filed 14 Aug 2025IGM BiosciencesSEC FORM 4 Code D—29,807filing
14 Aug 2025filed 14 Aug 2025IGM BiosciencesSEC FORM 4 Code D—29,806filing
30 Jun 2025filed 2 Jul 2025IGM BiosciencesSEC FORM 4 Code A—1,471 at $0.00filing
18 Jun 2025filed 23 Jun 2025MDXG MiMedx GroupMedical DevicesSEC FORM 4 Code A$185K28,609 at $6.47filing
31 Mar 2025filed 2 Apr 2025IGM BiosciencesSEC FORM 4 Code A—1,471 at $0.00filing
10 Mar 2025filed 11 Mar 2025SRPT Sarepta Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,792 at $0.00filing
10 Mar 2025filed 11 Mar 2025SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code A—2,383filing
31 Dec 2024filed 3 Jan 2025IGM BiosciencesSEC FORM 4 Code A—3,078 at $0.00filing
30 Sep 2024filed 2 Oct 2024IGM BiosciencesSEC FORM 4 Code A—3,078 at $0.00filing
4 Sep 2024filed 5 Sep 2024SRPT Sarepta TherapeuticsBiotechnologySEC FORM 4 Code G—746 at $0.00filing

News

Sectors

Health Care8
Not placed7

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

Related people

Louise Rodino-KlapacPresident, R&D and Tech Ops · President, R&D and Tech Ops at Sarepta Therapeutics, filing Form 4 there in the last year
Ian Michael EstepanChief Operating Officer · Chief Operating Officer at Sarepta Therapeutics, filing Form 4 there in the last year
Ryan Ho-Yan WongChief Financial Officer · Chief Financial Officer at Sarepta Therapeutics, filing Form 4 there in the last year
Cristin RothfussEVP, General Counsel · EVP, General Counsel at Sarepta Therapeutics, filing Form 4 there in the last year
Michael SeverinoChief Executive Officer · Chief Executive Officer at Sarepta Therapeutics, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded SRPT in the last 90 days