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FISN · Deep Fission, Inc. · Fails to Deliver

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$5.57 +0.39 (+7.53%) At close · Oct 2
Market Cap
$368.16M
Shares
58.91M
Volume · Oct 2 520.78K Avg daily vol (3M) 269.7K

Fails to deliver — shares from a trade that were not delivered to the buyer by the settlement date — published by the SEC twice a month. Persistent fails can reflect settlement problems or naked short selling.

Fails to Deliver History

Settlement Date Quantity Price Value
2026-09-14 2,971 $7.16 $21,272
2026-09-11 13,627 $6.75 $91,982
2026-09-08 6,680 $7.15 $47,762
2026-09-03 7,791 $6.97 $54,303
2026-09-02 5,755 $6.39 $36,774
2026-09-01 5,797 $6.71 $38,898
2026-08-31 8,167 $6.56 $53,576
2026-08-28 82 $6.93 $568
2026-08-26 404 $6.93 $2,800
2026-08-25 4,531 $7.13 $32,306
2026-08-24 1,470 $8.25 $12,128
2026-08-21 482 $7.77 $3,745
2026-08-20 401 $8.00 $3,208
2026-08-17 471 $8.64 $4,069
2026-08-14 93 $8.25 $767
2026-08-13 552 $8.34 $4,604
2026-08-12 432 $8.25 $3,564
2026-08-11 12,126 $7.95 $96,402
2026-08-10 5,100 $8.99 $45,849
2026-08-07 758 $9.22 $6,989
2026-08-04 494 $9.92 $4,900
2026-08-03 2,546 $9.41 $23,958
2026-07-31 200 $9.62 $1,924
2026-07-30 638 $9.72 $6,201
2026-07-22 324 $10.98 $3,558
2026-07-20 1,341 $10.65 $14,282
2026-07-17 560 $10.51 $5,886
2026-07-16 3,785 $12.16 $46,026
2026-07-13 9,960 $11.11 $110,656
2026-07-10 2,981 $11.14 $33,208
2026-07-09 4,343 $10.99 $47,730
2026-07-08 3,092 $10.37 $32,064
2026-07-07 4,163 $9.88 $41,130
2026-07-06 2,000 $10.29 $20,580
Showing 1–34 of 34 settlements
Key facts CIK 1918102 CUSIP 243927100 Visit website Investor relations