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Who

Claire Mazumdar

Chief Executive Officer

Company insider

Files Form 4 as: Chief Executive Officer, Bicara Therapeutics; Director, Relay Therapeutics.

In numbers

Trades disclosed
101
Buys
0
Sells
15
Bought
$0
Sold
$6.4M
Companies
2
Companies where not an officer
1
First trade
9 Jun 2025
Last trade
10 Aug 2026
Last filed
12 Aug 2026

Companies traded

Where they are an officer
BCAX Bicara TherapeuticsDirector, Officer · Biotechnology · last 10 Aug 20260 buys · 15 sells
Everywhere else they filed: board seats, 10% stakes, other companies
RLAY Relay TherapeuticsDirector · Biotechnology · last 9 Jun 20260 buys · 0 sells

Activity over time

1 Oct 2025 – 1 Oct 2026
70Oct 25Jan 26Apr 26Jul 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Aug 2026filed 12 Aug 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Code M$38K10,000 at $3.79filing
10 Aug 2026filed 12 Aug 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$280K10,000 at $27.98filing
10 Aug 2026filed 12 Aug 2026BCAX Bicara Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,000 at $0.00filing
10 Aug 2026filed 12 Aug 2026BCAX Bicara Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,000 at $0.00filing
10 Aug 2026filed 12 Aug 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Code M$38K10,000 at $3.79filing
10 Aug 2026filed 12 Aug 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$280K10,000 at $27.98filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Code M$38K10,000 at $3.79filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$283K9,972 at $28.42filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$83128 at $29.68filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,000 at $0.00filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—10,000 at $0.00filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Code M$38K10,000 at $3.79filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$283K9,972 at $28.42filing
10 Jul 2026filed 14 Jul 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$83128 at $29.68filing
9 Jun 2026filed 10 Jun 2026RLAY Relay Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—32,947 at $0.00filing
9 Jun 2026filed 10 Jun 2026RLAY Relay Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—32,947 at $0.00filing
18 May 2026filed 20 May 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Code M$57K15,000 at $3.79filing
18 May 2026filed 20 May 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$240K12,022 at $19.96filing
18 May 2026filed 20 May 2026BCAX Bicara TherapeuticsBiotechnologySEC FORM 4 Sold$61K2,978 at $20.35filing
18 May 2026filed 20 May 2026BCAX Bicara Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—15,000 at $0.00filing

News

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

Sectors

Health Care15

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

Related people

Ryan CohlheppPresident, COO & Interim CEO · President, COO & Interim CEO at Bicara Therapeutics, filing Form 4 there in the last year
Jennifer LarsonChief Financial Officer · Chief Financial Officer at Bicara Therapeutics, filing Form 4 there in the last year
Ivan HyepChief Financial Officer · Chief Financial Officer at Bicara Therapeutics, filing Form 4 there in the last year
Christy J. OligerDirector · Director at Bicara Therapeutics, filing Form 4 there in the last year
Jeremy BenderDirector · Director at Bicara Therapeutics, filing Form 4 there in the last year