Every Form 4 that Deep Fission, Inc. (FISN) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow FISN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full FISN filings page.
GLANVILLE THOMAS S reported acquisition or exercise transactions in this Form 4 filing.
DEEP FISSION, INC. director GLANVILLE THOMAS S received a grant of 19,156 restricted stock units on July 23, 2026. Each unit represents a contingent right to receive one share of common stock and will vest on July 20, 2027, provided he continues to provide service through that date. Following this award, his directly held RSU balance is 19,156 units.
JANOVER BLAKE reported acquisition or exercise transactions in this Form 4 filing.
DEEP FISSION, INC. reported that director Janover Blake received a grant of 18,962 Restricted Stock Units on July 23, 2026. Each unit represents a right to one share of common stock and will vest on July 20, 2027, contingent on continued service, leaving 18,962 RSUs held directly.
Goldman Tepper Leslie reported acquisition or exercise transactions in this Form 4 filing.
DEEP FISSION, INC. director Goldman Tepper Leslie received a grant of 19,204 restricted stock units on July 23, 2026. Each unit represents a right to receive one share of common stock and vests on July 20, 2027, subject to continued service, resulting in direct holdings of 19,204 units.
Angell Jonathon reported acquisition or exercise transactions in this Form 4 filing.
DEEP FISSION, INC. director Jonathon Angell received an equity compensation grant of 16,973 restricted stock units on July 23, 2026. Each unit represents a contingent right to receive one share of common stock and vests on July 20, 2027, provided he continues to provide service through that date. Following the award, he directly holds 16,973 restricted stock units linked to the issuer's common stock.