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Insider · CIK 0001857256

Caryn Peterson

officer

Files at GOSS (Gossamer Bio, Inc.). First filing -, latest -.

In brief

Caryn Peterson files SEC Form 4 as officer at GOSS (Gossamer Bio, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Caryn Peterson has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 30 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 24, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+5,800,051$0.00$05,800,051Aug 26, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-506,250--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-440,000--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-375,000--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-125,000--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-157,500--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-157,500--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-126,667--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-21,167--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-18,834--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-22,784--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-9,167--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-32,334--0Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+506,250--506,250Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+440,000--440,000Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+375,000--375,000Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+125,000--125,000Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+157,500--157,500Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+157,500--157,500Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+126,667--126,667Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+21,167--21,167Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+18,834--18,834Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+22,784--22,784Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+9,167--9,167Mar 20, 2026
Mar 19, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+32,334--32,334Mar 20, 2026
Jan 2, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Common Stock
+84,500$0.00$0259,333Jan 5, 2026
Jan 2, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+506,250$0.00$0506,250Jan 5, 2026
Oct 1, 2025GOSS
Gossamer Bio, Inc.
AGrant or award
Common Stock
+125,000$0.00$0174,833Oct 2, 2025
Mar 4, 2025GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+440,000$0.00$0440,000Mar 6, 2025
Nov 20, 2023GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+125,000$0.00$0125,000Nov 22, 2023

Questions about Caryn Peterson

Answered from the filings on this page, as of the latest one.

Is Caryn Peterson buying or selling?

Caryn Peterson has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Caryn Peterson's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Caryn Peterson has 0.

Where does Caryn Peterson file Form 4?

Caryn Peterson has filed Form 4 at GOSS (Gossamer Bio, Inc.) as EVP, Regulatory Affairs. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Caryn Peterson: insider trades and track record | InsiderTell