Federal Data Hub › SEC Fails-to-Deliver · JSON

APTOSE BIOSCIENCES INC COM NO (APTOF)

Fails-to-deliver · CUSIP 03835T408

Over the rolling 12-month window, securities of APTOSE BIOSCIENCES INC COM NO failed to deliver in the NSCC's Continuous Net Settlement system on 28 settlement days, totaling 14,494 fail shares and peaking at 3,480 shares on 2025-08-18. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.

Recent daily fails

Settlement dateFail sharesPrice
2026-07-064,961$1.69
2026-07-025,074$1.68
2026-05-2855$1.68
2026-05-191$1.70
2026-05-151$1.71
2026-04-0266$1.71
2026-04-01394$1.67
2026-03-201,713$1.62
2026-03-193$1.64
2026-03-1244$1.59
2026-03-032,533$1.59
2026-01-1456$1.61
2025-12-268$1.45
2025-12-248$1.51
2025-11-181,233$1.43
2025-11-171,343$1.42
2025-11-12474$1.38
2025-10-2848$1.30
2025-10-27145$1.32
2025-09-09542$1.23
2025-09-082$1.18
2025-08-2616$1.18
2025-08-183,480$1.24
2025-08-0766$1.27
2025-07-11375$1.64
2025-07-07205$0.86
2025-07-01774$0.87
2025-06-30155$0.81
2025-06-27261$0.81
2025-06-24493$0.91

About this data

A "fail-to-deliver" occurs when a party in a securities trade does not deliver the shares by the settlement date. The SEC publishes twice-monthly files of CNS fails-to-deliver by security. This page aggregates the rolling 12-month window. CUSIP 03835T408 links to this security's other federal filings across the hub.

Source: SEC Fails-to-Deliver Data. License: CC0 1.0.