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Insider · CIK 0002023732

Gregory Austin Ciongoli

directorownerother

Files at ATRA (Atara Biotherapeutics, Inc.), GOSS (Gossamer Bio, Inc.), ZYME (Zymeworks Inc.). First filing -, latest -.

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, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 23, 2026GOSS
Gossamer Bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+30,000$0.00$030,00017 d ago
Aug 12, 2025ZYME
Zymeworks Inc.
AGrant or award
Common Stock
+415,000$12.02$5.0M488,500Aug 12, 2025
Aug 11, 2025ZYME
Zymeworks Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+62,000$0.00$062,000Aug 12, 2025

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.

Gregory Austin Ciongoli: insider trades and track record | InsiderTell