Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 868459108
Over the rolling 12-month window, securities of SUPERNUS PHARMACEUTICALS INC C failed to deliver in the NSCC's Continuous Net Settlement system on 44 settlement days, totaling 165,825 fail shares and peaking at 34,343 shares on 2025-08-18. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-13 | 68 | $42.81 |
| 2026-10-08 | 3 | $43.05 |
| 2026-09-25 | 1 | $43.29 |
| 2026-09-23 | 41 | $43.75 |
| 2026-09-22 | 49 | $42.78 |
| 2026-09-08 | 9,121 | $43.53 |
| 2026-08-20 | 1 | $48.54 |
| 2026-08-19 | 76 | $49.03 |
| 2026-08-11 | 13 | $47.07 |
| 2026-08-04 | 1,428 | $46.00 |
| 2026-08-03 | 1,206 | $44.63 |
| 2026-07-29 | 26 | $47.73 |
| 2026-07-17 | 182 | $48.21 |
| 2026-07-16 | 1,772 | $47.73 |
| 2026-07-15 | 296 | $46.66 |
| 2026-07-14 | 36 | $47.35 |
| 2026-07-13 | 36 | $48.46 |
| 2026-07-10 | 36 | $48.75 |
| 2026-07-06 | 36 | $48.05 |
| 2026-06-30 | 32,408 | $46.80 |
| 2026-06-29 | 32,160 | $46.84 |
| 2026-06-18 | 80 | $43.58 |
| 2026-06-15 | 5 | $44.41 |
| 2026-06-12 | 22,200 | $45.55 |
| 2026-06-02 | 1,013 | $44.76 |
| 2026-05-26 | 249 | $48.21 |
| 2026-05-11 | 1,435 | $51.53 |
| 2026-03-23 | 12 | $47.76 |
| 2026-03-09 | 44 | $53.87 |
| 2026-02-27 | 31,056 | $55.75 |
| 2026-02-26 | 19,032 | $56.32 |
| 2026-02-19 | 40 | $50.20 |
| 2026-02-10 | 15 | $51.30 |
| 2026-02-09 | 824 | $51.65 |
| 2026-01-07 | 3,600 | $49.26 |
| 2025-12-29 | 1 | $51.57 |
| 2025-12-10 | 909 | $45.42 |
| 2025-12-09 | 1,345 | $47.16 |
| 2025-11-26 | 11 | $46.08 |
| 2025-11-25 | 741 | $45.15 |
| 2025-11-24 | 11 | $45.32 |
| 2025-11-21 | 11 | $44.79 |
| 2025-11-20 | 11 | $45.70 |
| 2025-11-17 | 23 | $45.00 |
| 2025-11-06 | 61 | $47.11 |
| 2025-10-31 | 8 | $56.50 |
| 2025-10-15 | 738 | $49.22 |
| 2025-10-14 | 35 | $48.38 |
| 2025-10-06 | 51 | $48.35 |
| 2025-10-03 | 312 | $47.96 |
| 2025-09-22 | 500 | $46.04 |
| 2025-08-28 | 15,848 | $45.07 |
| 2025-08-18 | 34,343 | $42.69 |
| 2025-08-15 | 34,341 | $42.17 |
| 2025-08-14 | 410 | $42.64 |
| 2025-07-30 | 50 | $33.45 |
| 2025-07-28 | 1,374 | $33.58 |
| 2025-07-18 | 1,046 | $33.59 |
| 2025-07-17 | 900 | $33.52 |
| 2025-07-16 | 282 | $33.51 |
| 2025-07-08 | 488 | $31.45 |
| 2025-07-07 | 1 | $31.98 |
| 2025-06-27 | 164 | $31.20 |
| 2025-06-26 | 1,162 | $31.24 |
| 2025-06-25 | 290 | $31.67 |
| 2025-06-18 | 12,500 | $32.33 |
| 2025-06-17 | 23 | $32.47 |
| 2025-06-03 | 1,480 | $31.91 |
| 2025-06-02 | 48 | $31.70 |
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 868459108 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.