Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 045396207
Over the rolling 12-month window, securities of ASSEMBLY BIOSCIENCES INC COM N failed to deliver in the NSCC's Continuous Net Settlement system on 46 settlement days, totaling 407,809 fail shares and peaking at 333,324 shares on 2025-10-20. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-08-31 | 2,727 | $34.07 |
| 2026-08-19 | 4,381 | $32.13 |
| 2026-08-17 | 283 | $32.95 |
| 2026-08-05 | 51 | $26.44 |
| 2026-07-27 | 1,780 | $25.55 |
| 2026-07-16 | 13 | $26.73 |
| 2026-07-08 | 6 | $28.97 |
| 2026-07-07 | 4 | $28.90 |
| 2026-07-01 | 116 | $27.48 |
| 2026-06-30 | 39,638 | $26.96 |
| 2026-06-29 | 138 | $26.74 |
| 2026-06-26 | 163 | $24.26 |
| 2026-06-24 | 1,153 | $26.80 |
| 2026-06-23 | 903 | $25.15 |
| 2026-06-22 | 8 | $24.44 |
| 2026-06-18 | 1 | $24.15 |
| 2026-06-17 | 5,172 | $23.33 |
| 2026-06-16 | 1,934 | $23.34 |
| 2026-06-15 | 288 | $22.96 |
| 2026-06-08 | 600 | $22.90 |
| 2026-06-05 | 600 | $24.11 |
| 2026-05-13 | 463 | $30.82 |
| 2026-05-04 | 203 | $27.37 |
| 2026-04-13 | 3,913 | $28.42 |
| 2026-04-09 | 2 | $29.35 |
| 2026-04-08 | 399 | $28.53 |
| 2026-03-31 | 508 | $26.64 |
| 2026-03-23 | 309 | $28.46 |
| 2026-03-04 | 460 | $28.80 |
| 2026-02-04 | 53 | $28.24 |
| 2026-01-21 | 2,807 | $26.80 |
| 2026-01-16 | 16 | $29.91 |
| 2026-01-12 | 63 | $31.74 |
| 2025-12-31 | 479 | $32.13 |
| 2025-12-23 | 22 | $36.18 |
| 2025-12-22 | 1,661 | $35.26 |
| 2025-12-03 | 2,438 | $33.99 |
| 2025-12-01 | 60 | $37.79 |
| 2025-11-24 | 453 | $38.50 |
| 2025-11-17 | 7,494 | $36.71 |
| 2025-11-12 | 2,101 | $33.13 |
| 2025-10-30 | 625 | $30.99 |
| 2025-10-29 | 663 | $30.89 |
| 2025-10-20 | 333,324 | $29.45 |
| 2025-10-15 | 486 | $28.39 |
| 2025-10-14 | 334 | $27.66 |
| 2025-10-10 | 201 | $26.82 |
| 2025-09-22 | 81 | $24.46 |
| 2025-09-11 | 31 | $22.26 |
| 2025-09-10 | 38 | $23.15 |
| 2025-09-05 | 2,444 | $23.31 |
| 2025-09-03 | 117 | $24.13 |
| 2025-08-29 | 843 | $25.50 |
| 2025-08-28 | 870 | $25.89 |
| 2025-08-27 | 29,238 | $25.62 |
| 2025-08-19 | 1,481 | $25.76 |
| 2025-08-14 | 284 | $24.75 |
| 2025-08-11 | 4,524 | $23.97 |
| 2025-08-06 | 454 | $18.86 |
| 2025-08-04 | 5,651 | $18.40 |
| 2025-07-28 | 3 | $18.55 |
| 2025-07-23 | 670 | $18.68 |
| 2025-06-24 | 335 | $17.10 |
| 2025-06-17 | 62 | $17.24 |
| 2025-06-16 | 302 | $16.85 |
| 2025-06-04 | 803 | $15.20 |
| 2025-06-03 | 41 | $15.40 |
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 045396207 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.