NASDAQ:FISN | Insider Transactions | DEEP FISSION, INC.

FISN Insider Transactions

2 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–2; provenance stays internal.

FISN insiders transaction timeline

PurchaseSale
2025-08-26: 1 purchase — Jacobs Ian Seth2025-08-26: 1 sale — Tompkins Mark N.2025-08-262025-08-26
Insider profileRoleDateTransactionSharesPrice
Tompkins Mark N.Director,TenPercentOwner2025-08-26Sale25,000.0$0.0
Jacobs Ian SethPresident, CEO, CFO, Secretary2025-08-26Purchase25,000.0$0.0