FISN

Deep Fission, Inc.

Company with tickers: FISN

CIK

1918102

Shares Outstanding

56,396,123

Website

https://www.deepfission.com

Investor Relations

https://www.deepfission.com/investors

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-09	Angell Jonathon	Director	Award	3,334	—	—	103,334
2026-03-09	Goldman Tepper Leslie	Director	Award	3,334	—	—	103,334
2026-03-09	JANOVER BLAKE	Director	Award	3,334	—	—	103,334
2026-03-09	Muller Elizabeth	Chief Executive Officer	Award	2,600,000	—	—	4,150,300
2026-03-09	Muller Richard	Chief Technology Officer	Award	223,000	—	—	872,363
2026-03-09	Gordon Jonathan H	General Counsel	Award	223,000	—	—	328,000
2026-03-09	Brasel Michael Allen	Chief Operating Officer	Award	445,000	—	—	530,000
2026-03-09	GLANVILLE THOMAS S	Director	Award	3,334	—	—	103,334
2026-03-09	Schmitz William Mark	Chief Financial Officer	Award	223,000	—	—	223,980
2026-03-09	Peres Mark Wayne	Chief Nuclear Officer	Award	223,000	—	—	263,000
2026-02-19	Peres Mark Wayne	Chief Nuclear Officer	Award	25,000	—	—	25,000
2026-02-19	Peres Mark Wayne	Chief Nuclear Officer	Award	15,000	—	—	15,000
2026-02-18	Schmitz William Mark	Chief Financial Officer	Award	15,000	—	—	15,000
2026-02-18	Brasel Michael Allen	Chief Operating Officer	Award	15,000	—	—	15,000
2026-02-18	Gordon Jonathan H	General Counsel	Award	20,000	—	—	20,000
2025-12-19	JANOVER BLAKE	Director	Award	100,000	—	—	100,000
2025-12-19	JANOVER BLAKE	Director	Other	0	—	—	0
2025-12-09	Muller Elizabeth	Chief Executive Officer	Award	183,150	—	—	994,849
2025-12-09	Muller Elizabeth	Chief Executive Officer	Award	549,451	—	—	549,451
2025-11-12	Angell Jonathon	Director	Award	100,000	—	—	100,000
2025-11-12	GLANVILLE THOMAS S	Director	Award	100,000	—	—	100,000
2025-11-12	Goldman Tepper Leslie	Director	Award	100,000	—	—	100,000
2025-11-07	Brasel Michael Allen	Chief Operating Officer	Other	0	—	—	0
2025-11-07	Brasel Michael Allen	Chief Operating Officer	Award	70,000	—	—	70,000
2025-11-07	Gordon Jonathan H	General Counsel	Other	0	—	—	0
2025-11-07	Gordon Jonathan H	General Counsel	Award	85,000	—	—	85,000
2025-09-05	Schmitz William Mark	Chief Financial Officer	Other	0	—	—	0
2025-09-05	Muller Richard	Chief Technology Officer	Award	5,196,426	—	—	5,196,426
2025-09-05	Schmitz William Mark	Chief Financial Officer	Award	103,928	—	—	103,928
2025-09-05	Tompkins Mark N.	Insider	Other	2,833,333	—	—	1,891,667
2025-09-05	Muller Elizabeth	Chief Executive Officer	Award	5,196,426	—	—	5,196,426
2025-09-05	Muller Elizabeth	Chief Executive Officer	Award	5,057,855	—	—	5,057,855
2025-08-26	Jacobs Ian Seth	Insider	Buy	25,000	$0.00	$3	275,000
2025-08-26	Tompkins Mark N.	Insider	Sell	25,000	$0.00	$3	4,725,000

Showing 1–34 of 34 transactions