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Who

Caryn Peterson

Chief Development Officer

Company insider

Files Form 4 as: Chief Development Officer, Gossamer Bio.

In numbers

Trades disclosed
80
Buys
0
Sells
5
Bought
$0
Sold
$152K
Companies
1
Companies where not an officer
0
First trade
16 Apr 2021
Last trade
24 Aug 2026
Last filed
26 Aug 2026

Companies traded

Where they are an officer
GOSS Gossamer BioOfficer · Biotechnology · last 24 Aug 20260 buys · 5 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
24 Aug 2026filed 26 Aug 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—5,800,051 at $0.00filing
24 Aug 2026filed 26 Aug 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—5,800,051 at $0.00filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—506,250filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—22,784filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—9,167filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—32,334filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—506,250filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—440,000filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—375,000filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—125,000filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—157,500filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—157,500filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—126,667filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—440,000filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—21,167filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—18,834filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—22,784filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—9,167filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code A—32,334filing
19 Mar 2026filed 20 Mar 2026GOSS Gossamer Biooption or derivative · BiotechnologySEC FORM 4 Code D—375,000filing

News

Chardan Capital Begins Coverage on Gossamer Bio (NASDAQ:GOSS)GOSS · themarketsdaily.com · 13 Oct 2026

0 headlines in the last 90 days name Caryn Peterson; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care5

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

Related people

Gregory Austin CiongoliDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Russell J. CoxDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Thomas O. DanielDirector · Director at Gossamer Bio, filing Form 4 there in the last year
John D. QuiselDirector · Director at Gossamer Bio, filing Form 4 there in the last year
Sandra MilliganDirector · Director at Gossamer Bio, filing Form 4 there in the last year