Phillip Samayoa

CIK 1946316 · CHIEF SCIENTIFIC OFFICER · last filed 2025-10-17

Phillip Samayoa is a CHIEF SCIENTIFIC OFFICER who has filed 20 SEC Form 4 insider transactions across 1 company since 2022. The most recent filing, for GBIO, was dated Oct 17, 2025. Across all open-market trades the lifetime net is −$30.0K, making them a net seller over the disclosed history.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$0

Companies

1

Total Filings

20

Lifetime Open-Market Net

-$30.0K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
Generation Bio Co. (GBIO) Delisted CHIEF SCIENTIFIC OFFICER 14,172 $5.34 $75.7K -$30.0K 20 2025-10-17

Recent Filings

20 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-10-17 Generation Bio Co. (GBIO) Delisted Mixed +80 -$228 EDGAR
2025-07-17 Generation Bio Co. (GBIO) Delisted Mixed +810 -$144 EDGAR
2025-04-17 Generation Bio Co. (GBIO) Delisted Mixed +810 -$124 EDGAR
2025-01-17 Generation Bio Co. (GBIO) Delisted Mixed +749 -$353 EDGAR
2025-01-14 Generation Bio Co. (GBIO) Delisted Grant (A) $0 EDGAR
2024-10-17 Generation Bio Co. (GBIO) Delisted Mixed +810 -$816 EDGAR
2024-07-17 Generation Bio Co. (GBIO) Delisted Mixed +810 -$987 EDGAR
2024-04-17 Generation Bio Co. (GBIO) Delisted Mixed +810 -$1.2K EDGAR
2024-01-17 Generation Bio Co. (GBIO) Delisted Mixed +5,692 -$5.8K EDGAR
2024-01-03 Generation Bio Co. (GBIO) Delisted Mixed −2,445 -$4.0K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.