Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 13100M509
Over the rolling 12-month window, securities of CALIX , INC COMMON STOCK failed to deliver in the NSCC's Continuous Net Settlement system on 28 settlement days, totaling 186,824 fail shares and peaking at 79,760 shares on 2026-04-22. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-09-17 | 451 | $35.44 |
| 2026-09-11 | 4 | $34.93 |
| 2026-09-04 | 18 | $37.07 |
| 2026-08-25 | 7 | $39.80 |
| 2026-08-20 | 66 | $40.55 |
| 2026-08-11 | 78 | $38.17 |
| 2026-08-10 | 5 | $37.98 |
| 2026-08-05 | 523 | $39.47 |
| 2026-07-24 | 200 | $35.77 |
| 2026-07-23 | 510 | $35.84 |
| 2026-07-22 | 200 | $37.47 |
| 2026-07-20 | 749 | $39.14 |
| 2026-07-17 | 4,193 | $38.63 |
| 2026-07-16 | 4,569 | $39.47 |
| 2026-07-08 | 44 | $38.41 |
| 2026-07-07 | 111 | $38.47 |
| 2026-06-15 | 1,008 | $38.39 |
| 2026-06-11 | 15 | $38.59 |
| 2026-05-19 | 14,970 | $40.22 |
| 2026-05-18 | 8,279 | $39.81 |
| 2026-05-07 | 71 | $44.34 |
| 2026-04-24 | 53 | $42.69 |
| 2026-04-22 | 79,760 | $49.58 |
| 2026-04-08 | 90 | $48.78 |
| 2026-04-02 | 407 | $46.87 |
| 2026-03-31 | 845 | $49.40 |
| 2026-03-23 | 32 | $50.31 |
| 2026-03-09 | 27 | $50.47 |
| 2026-02-04 | 2,308 | $48.12 |
| 2025-10-15 | 58 | $59.18 |
| 2025-10-14 | 2,628 | $58.62 |
| 2025-09-22 | 1,920 | $62.86 |
| 2025-08-18 | 185 | $56.95 |
| 2025-08-12 | 19,912 | $56.68 |
| 2025-07-28 | 1,000 | $55.29 |
| 2025-07-22 | 16,772 | $53.73 |
| 2025-07-21 | 311 | $53.67 |
| 2025-07-10 | 153 | $51.96 |
| 2025-07-07 | 11 | $53.93 |
| 2025-07-02 | 785 | $52.42 |
| 2025-06-26 | 1,012 | $49.43 |
| 2025-06-23 | 4,627 | $47.50 |
| 2025-06-17 | 26,567 | $47.72 |
| 2025-06-16 | 183 | $47.24 |
| 2025-06-03 | 1,866 | $47.27 |
| 2025-06-02 | 1,992 | $46.24 |
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 13100M509 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.