TOMPKINS MARK N. sold 0.5% of their position (25K shares) of DEEP FISSION, INC. on the open market
Open‑market sale worth $2.50 — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/28/2025ACC: 0001213900-25-081957
Director10% Owner
Since Apr 2022
-25K
Net shares
Net seller
$2.50
Total sold
1
Open market trades
0B · 1S
1
Total transactions
25K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−25K
Price / share
$0.00
Trade value
$2.50
% of position
0.5%
8/26/2025
4.75M→4.72M
Total
Net shares
−25K
Net value
-$2.50
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/26/2025 | S · Sale | −25K | $0.00 | $2.50 | 0.5% | 4.75M | 4.72M |
| Total | −25K | -$2.50 | ||||||
Derivative Transactions0
No derivative transactions reported