Skip to content

Insider · CIK 0001816836

Matthew Norkunas

cfoofficerdirector

Files at GBIO (Generation Bio Co.), OBX (Obsidian Therapeutics, Inc.). First filing -, latest -.

In brief

Matthew Norkunas files SEC Form 4 as CFO and director at GBIO (Generation Bio Co.), and also at OBX (Obsidian Therapeutics, 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; Matthew Norkunas 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, 14 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 3, 2026OBX
Obsidian Therapeutics, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+37,653$0.00$037,653Aug 5, 2026
Oct 15, 2024GBIO
Generation Bio Co.
MOption exercise
Common Stock
+1,674--56,659Oct 17, 2024
Oct 15, 2024GBIO
Generation Bio Co.
FTax withholding
Common Stock
-492$2.42$1,19156,167Oct 17, 2024
Oct 15, 2024GBIO
Generation Bio Co.
MOption exercise
Common Stock
+1,673--57,840Oct 17, 2024
Oct 15, 2024GBIO
Generation Bio Co.
FTax withholding
Common Stock
-492$2.42$1,19157,348Oct 17, 2024
Oct 15, 2024GBIO
Generation Bio Co.
MOption exercise
Restricted Stock Unitsderivative
-1,674$0.00$015,059Oct 17, 2024
Oct 15, 2024GBIO
Generation Bio Co.
MOption exercise
Restricted Stock Unitsderivative
-1,673$0.00$01,673Oct 17, 2024
Dec 1, 2023GBIO
Generation Bio Co.
AGrant or award
Stock Option (right to buy)derivative
+76,310$0.00$076,310Dec 5, 2023
Oct 15, 2023GBIO
Generation Bio Co.
MOption exercise
Common Stock
+7,437--40,933Oct 17, 2023
Oct 15, 2023GBIO
Generation Bio Co.
FTax withholding
Common Stock
-2,183$3.24$7,07338,750Oct 17, 2023
Oct 15, 2023GBIO
Generation Bio Co.
MOption exercise
Common Stock
+1,674--40,424Oct 17, 2023
Oct 15, 2023GBIO
Generation Bio Co.
FTax withholding
Common Stock
-492$3.24$1,59439,932Oct 17, 2023
Oct 15, 2023GBIO
Generation Bio Co.
MOption exercise
Restricted Stock Unitsderivative
-7,437$0.00$07,437Oct 17, 2023
Oct 15, 2023GBIO
Generation Bio Co.
MOption exercise
Restricted Stock Unitsderivative
-1,674$0.00$08,366Oct 17, 2023

Questions about Matthew Norkunas

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

Is Matthew Norkunas buying or selling?

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

How did Matthew Norkunas's past buys perform?

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

Where does Matthew Norkunas file Form 4?

Matthew Norkunas has filed Form 4 at GBIO (Generation Bio Co.) as CHIEF FINANCIAL OFFICER; OBX (Obsidian Therapeutics, Inc.). 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.

Matthew Norkunas: insider trades and track record | InsiderTell