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SPRO · Spero Therapeutics, Inc. · Fails to Deliver

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$1.17 -0.02 (-1.68%) At close · Sep 9
Market Cap
$70.46M
Shares
58.23M

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
2026-08-12 742 $1.23 $913
2026-08-11 28 $1.23 $34
2026-08-10 26,872 $1.26 $33,859
2026-08-06 12,711 $1.26 $16,016
2026-08-04 38,252 $1.15 $43,990
2026-08-03 34 $1.17 $40
2026-07-29 5 $1.20 $6
2026-07-24 5,270 $1.16 $6,113
2026-07-20 55,493 $1.58 $87,679
2026-07-17 409 $1.57 $642
2026-07-14 10,521 $2.18 $22,936
2026-07-13 15,259 $2.10 $32,044
2026-07-10 10,000 $2.12 $21,200
2026-07-01 171 $2.21 $378
2026-06-30 47,602 $2.26 $107,581
2026-06-29 730 $2.26 $1,650
2026-06-24 1,011 $2.15 $2,174
2026-06-22 9,572 $2.28 $21,824
2026-06-18 3,755 $2.11 $7,923
2026-06-17 20,293 $2.77 $56,212
2026-06-16 5,631 $2.91 $16,386
2026-06-15 23,494 $2.85 $66,958
2026-06-12 5,678 $2.70 $15,331
2026-06-11 15,911 $2.54 $40,414
Showing 1–24 of 24 settlements
Key facts CIK 1701108 CUSIP 84833T103 13F (30d) 47 filings 47 filers Visit website