Deep Fission, Inc. · NASDAQ:FISN

Mark N.Tompkins reported a 5.60% stake in Deep Fission, Inc. (Schedule 13G/A)

Event Mar 31, 2026 · Filed May 15, 2026

Mark N.Tompkins reported a 5.60% stake in Deep Fission, Inc., 3,158,333 shares, as a passive investor on Mar 31, 2026. Filed May 15, 2026 (Schedule 13G/A).

Stake
5.60%
Shares
3,158,333
Intent
Passive
What changed
Stake changed

The filing in full

HolderStakeShares
Mark N.Tompkins5.60%3,158,333

Source

View original at SEC

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