DEEP FISSION, INC.

PublicCIK: 1918102

FISNNASDAQ

Location

BERKELEY, CA

MULLER ELIZABETH

→DEEP ISOLATION NUCLEAR, INC.

Oct 9, 2026·Oct 9, 2026

1 txn

GOLDMAN TEPPER LESLIE

→DEEP ISOLATION NUCLEAR, INC.

Oct 9, 2026·Oct 9, 2026

2 txn

ANGELL JONATHON

→DEEP ISOLATION NUCLEAR, INC.

Oct 9, 2026·Oct 9, 2026

1 txn

GOLDMAN TEPPER LESLIE

→DEEP ISOLATION NUCLEAR, INC.

Sep 19, 2026·Sep 19, 2026

2 txn

ANGELL JONATHON

→DEEP ISOLATION NUCLEAR, INC.

Sep 19, 2026·Sep 19, 2026

1 txn

GLANVILLE THOMAS S

→MIND TECHNOLOGY, INC

Jul 31, 2026·Jul 31, 2026

1 txn

GLANVILLE THOMAS S

→DEEP FISSION, INC.

Jul 27, 2026·Jul 27, 2026

1 txn

JANOVER BLAKE

→DEEP FISSION, INC.

Jul 27, 2026·Jul 27, 2026

1 txn

GOLDMAN TEPPER LESLIE

→DEEP FISSION, INC.

Jul 27, 2026·Jul 27, 2026

1 txn

ANGELL JONATHON

→DEEP FISSION, INC.

Jul 27, 2026·Jul 27, 2026

1 txn

GOLDMAN TEPPER LESLIE

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

GLANVILLE THOMAS S

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

JANOVER BLAKE

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

MULLER ELIZABETH

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

MULLER RICHARD

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

GORDON JONATHAN H

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

BRASEL MICHAEL ALLEN

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

PERES MARK WAYNE

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

ANGELL JONATHON

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

SCHMITZ WILLIAM MARK

→DEEP FISSION, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

BRASEL MICHAEL ALLEN

→DEEP FISSION, INC.

Feb 24, 2026·Feb 24, 2026

1 txn

GORDON JONATHAN H

→DEEP FISSION, INC.

Feb 23, 2026·Feb 23, 2026

1 txn

PERES MARK WAYNE

→DEEP FISSION, INC.

Feb 23, 2026·Feb 23, 2026

2 txn

SCHMITZ WILLIAM MARK

→DEEP FISSION, INC.

Feb 23, 2026·Feb 23, 2026

1 txn

PERES MARK WAYNE

→DEEP FISSION, INC.

Feb 23, 2026·Feb 23, 2026

1 txn

Page 1 of 5 · 109 total

Filer	Form	Target	Filed	Activity
MULLER ELIZABETHCIK · 2081850	4 Trade	DEEP ISOLATION NUCLEAR, INC.CIK · 1918080	Oct 9, 2026 Oct 9, 2026	1txn
GOLDMAN TEPPER LESLIECIK · 2062355	4 Trade	DEEP ISOLATION NUCLEAR, INC.CIK · 1918080	Oct 9, 2026 Oct 9, 2026	2txn
ANGELL JONATHONCIK · 2080569	4 Trade	DEEP ISOLATION NUCLEAR, INC.CIK · 1918080	Oct 9, 2026 Oct 9, 2026	1txn
GOLDMAN TEPPER LESLIECIK · 2062355	4 Trade	DEEP ISOLATION NUCLEAR, INC.CIK · 1918080	Sep 19, 2026 Sep 19, 2026	2txn
ANGELL JONATHONCIK · 2080569	4 Trade	DEEP ISOLATION NUCLEAR, INC.CIK · 1918080	Sep 19, 2026 Sep 19, 2026	1txn
GLANVILLE THOMAS SCIK · 1192319	4 Trade	MIND TECHNOLOGY, INCCIK · 926423	Jul 31, 2026 Jul 31, 2026	1txn
GLANVILLE THOMAS SCIK · 1192319	4 Trade	DEEP FISSION, INC.CIK · 1918102	Jul 27, 2026 Jul 27, 2026	1txn
JANOVER BLAKECIK · 1950877	4 Trade	DEEP FISSION, INC.CIK · 1918102	Jul 27, 2026 Jul 27, 2026	1txn
GOLDMAN TEPPER LESLIECIK · 2062355	4 Trade	DEEP FISSION, INC.CIK · 1918102	Jul 27, 2026 Jul 27, 2026	1txn
ANGELL JONATHONCIK · 2080569	4 Trade	DEEP FISSION, INC.CIK · 1918102	Jul 27, 2026 Jul 27, 2026	1txn
GOLDMAN TEPPER LESLIECIK · 2062355	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
GLANVILLE THOMAS SCIK · 1192319	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
JANOVER BLAKECIK · 1950877	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
MULLER ELIZABETHCIK · 2081850	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
MULLER RICHARDCIK · 2081872	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
GORDON JONATHAN HCIK · 2099110	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
BRASEL MICHAEL ALLENCIK · 2103077	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
PERES MARK WAYNECIK · 2110467	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
ANGELL JONATHONCIK · 2080569	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
SCHMITZ WILLIAM MARKCIK · 1409378	4 Trade	DEEP FISSION, INC.CIK · 1918102	Mar 10, 2026 Mar 10, 2026	1txn
BRASEL MICHAEL ALLENCIK · 2103077	4 Trade	DEEP FISSION, INC.CIK · 1918102	Feb 24, 2026 Feb 24, 2026	1txn
GORDON JONATHAN HCIK · 2099110	4 Trade	DEEP FISSION, INC.CIK · 1918102	Feb 23, 2026 Feb 23, 2026	1txn
PERES MARK WAYNECIK · 2110467	4 Trade	DEEP FISSION, INC.CIK · 1918102	Feb 23, 2026 Feb 23, 2026	2txn
SCHMITZ WILLIAM MARKCIK · 1409378	4 Trade	DEEP FISSION, INC.CIK · 1918102	Feb 23, 2026 Feb 23, 2026	1txn
PERES MARK WAYNECIK · 2110467	3 Initial	DEEP FISSION, INC.CIK · 1918102	Feb 23, 2026 Feb 23, 2026	1txn

Page 1 of 5 · 109 total