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

ARCELLX INC (ACLX)

Fails-to-deliver · CUSIP 03940C100

Over the rolling 12-month window, securities of ARCELLX INC failed to deliver in the NSCC's Continuous Net Settlement system on 50 settlement days, totaling 647,199 fail shares and peaking at 91,459 shares on 2025-11-26. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.

Recent daily fails

Settlement dateFail sharesPrice
2026-04-2913,272$115.07
2026-03-273$114.62
2026-03-234$114.77
2026-03-122,424$114.36
2026-03-044,816$114.05
2026-03-02887$113.79
2026-02-242,069$113.75
2026-02-23442$64.11
2026-02-176$68.50
2026-02-12662$69.88
2026-02-02105$68.31
2026-01-2980$68.14
2026-01-2715,945$68.55
2026-01-2625,417$67.70
2026-01-23869$68.62
2026-01-201,118$68.94
2026-01-121,277$66.27
2026-01-063,723$61.83
2026-01-055$63.34
2026-01-0216,826$65.20
2025-12-3029$65.13
2025-12-2989$65.71
2025-12-1922,434$64.13
2025-12-1816$64.72
2025-12-155$71.86
2025-12-1176$71.98
2025-12-1054,453$70.84
2025-12-0375,000$68.81
2025-12-02779$70.28
2025-11-2890,456$73.25
2025-11-2691,459$73.00
2025-11-256,388$74.96
2025-11-18203$90.34
2025-11-1213,800$90.23
2025-11-062$87.51
2025-11-03125$90.25
2025-10-2828$86.70
2025-10-149$86.23
2025-10-0944,262$88.29
2025-10-0734$84.38
2025-10-0282$82.03
2025-10-014,195$82.10
2025-09-12116$77.68
2025-09-1039,506$72.04
2025-08-1832,475$74.08
2025-08-1535,065$71.86
2025-08-1445,248$71.03
2025-07-1731$70.70
2025-07-08106$65.55
2025-07-07778$67.16

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 03940C100 links to this security's other federal filings across the hub.

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