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Who

Benjamin Cravatt

Director

Company insider

Files Form 4 as: Director, Alnylam Pharmaceuticals; Director, Kyntra Bio.

In numbers

Trades disclosed
14
Buys
0
Sells
1
Bought
$0
Sold
$68K
Companies
2
Companies where not an officer
2
First trade
5 Aug 2020
Last trade
1 Jun 2026
Last filed
3 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ALNY Alnylam PharmaceuticalsDirector · Biotechnology · last 1 Jun 20260 buys · 0 sells
KYNB Kyntra BioDirector · Biotechnology · last 5 Jun 20240 buys · 1 sell

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 Jun 2026filed 3 Jun 2026ALNY Alnylam Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—4,393 at $0.00filing
1 Jun 2026filed 3 Jun 2026ALNY Alnylam Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—4,393 at $0.00filing
5 Jun 2024filed 6 Jun 2024KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—70,000 at $0.00filing
9 Jun 2023filed 9 Jun 2023KYNB Kyntra BioBiotechnologySEC FORM 4 Sold$30K1,766 at $16.75filing
9 Jun 2023filed 9 Jun 2023KYNB Kyntra BioBiotechnologySEC FORM 4 Sold$38K2,178 at $17.51filing
7 Jun 2023filed 9 Jun 2023KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—12,666 at $0.00filing
7 Jun 2023filed 9 Jun 2023KYNB Kyntra BioBiotechnologySEC FORM 4 Code A—8,289 at $0.00filing
16 Jun 2022filed 21 Jun 2022KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—25,684 at $0.00filing
16 Jun 2022filed 21 Jun 2022KYNB Kyntra BioBiotechnologySEC FORM 4 Code A—15,777 at $0.00filing
26 May 2021filed 28 May 2021KYNB Kyntra BioBiotechnologySEC FORM 4 Code A—4,700 at $0.00filing
26 May 2021filed 28 May 2021KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—7,800 at $0.00filing
5 Aug 2020filed 7 Aug 2020KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—6,496 at $0.00filing
5 Aug 2020filed 7 Aug 2020KYNB Kyntra Biooption or derivative · BiotechnologySEC FORM 4 Code A—10,400 at $0.00filing
5 Aug 2020filed 7 Aug 2020KYNB Kyntra BioBiotechnologySEC FORM 4 Code A—3,914 at $0.00filing

Sectors

Health Care1

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

Related people

Bryan SupranEVP, CLO and Secretary · EVP, CLO and Secretary at Alnylam Pharmaceuticals, filing Form 4 there in the last year
Yvonne GreenstreetChief Executive Officer · Chief Executive Officer at Alnylam Pharmaceuticals, filing Form 4 there in the last year
David E. I. PyottDirector · Director at Alnylam Pharmaceuticals, filing Form 4 there in the last year
Dennis A. AusielloDirector · Director at Alnylam Pharmaceuticals, filing Form 4 there in the last year
Amy W. SchulmanDirector · Director at Alnylam Pharmaceuticals, filing Form 4 there in the last year