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SION · Sionna Therapeutics, Inc. · Fails to Deliver

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$8.39 +0.54 (+6.88%)
Market Cap
$354.92M
Shares
45.21M

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
2026-08-14 13,771 $6.54 $90,062
2026-08-13 3,408 $6.25 $21,300
2026-08-12 498 $5.10 $2,540
2026-08-11 2,315 $4.50 $10,418
2026-08-05 3 $49.94 $150
2026-08-04 1 $49.26 $49
2026-08-03 11 $47.13 $518
2026-07-29 1,736 $46.55 $80,811
2026-07-16 908 $44.38 $40,297
2026-07-07 13 $43.12 $561
2026-07-06 3,753 $43.99 $165,094
2026-07-02 7,391 $41.64 $307,761
2026-06-30 9,681 $42.97 $415,993
2026-06-29 120,409 $42.18 $5,078,852
2026-06-25 1,101 $41.09 $45,240
2026-06-24 1,886 $39.87 $75,195
2026-06-23 90 $38.83 $3,495
2026-06-22 66 $37.30 $2,462
2026-06-15 353 $35.92 $12,680
Showing 1–19 of 19 settlements
Key facts CIK 2036042 CUSIP 829401108 13F (30d) 4 filings 4 filers Visit website Investor relations