Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 816212302
Over the rolling 12-month window, securities of CARTESIAN THERAPEUTICS, INC. C failed to deliver in the NSCC's Continuous Net Settlement system on 105 settlement days, totaling 506,276 fail shares and peaking at 50,583 shares on 2025-10-01. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-08 | 1,732 | $6.68 |
| 2026-10-05 | 1,289 | $7.36 |
| 2026-09-28 | 476 | $7.41 |
| 2026-09-21 | 60 | $8.03 |
| 2026-09-17 | 1,135 | $7.91 |
| 2026-09-14 | 5,411 | $8.19 |
| 2026-09-03 | 1,271 | $9.08 |
| 2026-08-19 | 936 | $9.20 |
| 2026-08-12 | 198 | $8.59 |
| 2026-08-07 | 975 | $8.76 |
| 2026-07-27 | 706 | $7.88 |
| 2026-07-23 | 3 | $8.13 |
| 2026-07-13 | 2 | $9.46 |
| 2026-06-26 | 432 | $8.93 |
| 2026-06-18 | 5,862 | $9.88 |
| 2026-06-17 | 54 | $9.05 |
| 2026-06-10 | 3,150 | $6.85 |
| 2026-05-27 | 3,708 | $6.45 |
| 2026-05-26 | 3,867 | $6.75 |
| 2026-05-20 | 27,960 | $6.09 |
| 2026-05-12 | 17,531 | $8.53 |
| 2026-05-04 | 2,193 | $6.22 |
| 2026-04-21 | 1 | $6.94 |
| 2026-04-15 | 5,384 | $6.35 |
| 2026-04-07 | 2,347 | $6.24 |
| 2026-04-06 | 150 | $6.26 |
| 2026-04-02 | 3,602 | $6.39 |
| 2026-03-31 | 72 | $5.88 |
| 2026-03-12 | 300 | $8.26 |
| 2026-03-11 | 6,040 | $8.55 |
| 2026-03-10 | 333 | $9.02 |
| 2026-03-02 | 147 | $7.59 |
| 2026-02-27 | 7,224 | $8.35 |
| 2026-02-25 | 13,073 | $7.55 |
| 2026-02-24 | 8,369 | $6.98 |
| 2026-02-23 | 4,589 | $6.93 |
| 2026-02-13 | 8,600 | $6.41 |
| 2026-02-06 | 958 | $6.28 |
| 2026-01-30 | 1,803 | $6.98 |
| 2026-01-27 | 1 | $7.61 |
| 2026-01-14 | 4,884 | $7.66 |
| 2026-01-07 | 778 | $7.04 |
| 2026-01-06 | 82 | $6.91 |
| 2025-12-22 | 728 | $7.22 |
| 2025-12-15 | 40 | $8.52 |
| 2025-12-12 | 431 | $8.45 |
| 2025-12-11 | 32,645 | $7.85 |
| 2025-12-04 | 4,057 | $6.65 |
| 2025-12-03 | 5,564 | $6.71 |
| 2025-12-01 | 1,368 | $7.49 |
| 2025-11-28 | 13,371 | $7.60 |
| 2025-11-18 | 59 | $7.38 |
| 2025-11-12 | 1,708 | $7.30 |
| 2025-11-05 | 340 | $7.71 |
| 2025-11-03 | 1,389 | $8.17 |
| 2025-10-31 | 4 | $8.11 |
| 2025-10-27 | 822 | $9.16 |
| 2025-10-24 | 494 | $9.00 |
| 2025-10-17 | 4,566 | $9.42 |
| 2025-10-15 | 1,087 | $9.42 |
| 2025-10-14 | 2,171 | $9.50 |
| 2025-10-10 | 19,800 | $10.10 |
| 2025-10-09 | 29,463 | $10.23 |
| 2025-10-07 | 14,642 | $10.00 |
| 2025-10-01 | 50,583 | $10.22 |
| 2025-09-30 | 40,816 | $9.85 |
| 2025-09-26 | 1,238 | $9.46 |
| 2025-09-19 | 4,876 | $10.31 |
| 2025-09-18 | 1,460 | $9.15 |
| 2025-09-17 | 7,496 | $9.60 |
| 2025-09-15 | 149 | $9.68 |
| 2025-09-12 | 69 | $9.96 |
| 2025-09-11 | 10,438 | $9.81 |
| 2025-09-10 | 877 | $10.09 |
| 2025-09-09 | 1,019 | $10.19 |
| 2025-09-08 | 1,807 | $10.64 |
| 2025-09-05 | 914 | $10.00 |
| 2025-09-04 | 1,646 | $10.25 |
| 2025-09-03 | 6,194 | $9.84 |
| 2025-09-02 | 35 | $10.05 |
| 2025-08-29 | 849 | $10.28 |
| 2025-08-22 | 180 | $10.96 |
| 2025-08-20 | 395 | $10.85 |
| 2025-08-19 | 1,359 | $11.28 |
| 2025-08-18 | 1,424 | $11.33 |
| 2025-08-07 | 1,632 | $11.28 |
| 2025-08-06 | 715 | $11.83 |
| 2025-08-05 | 1,007 | $12.48 |
| 2025-08-04 | 1,230 | $12.33 |
| 2025-08-01 | 950 | $12.81 |
Showing 90 most recent of 120.
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 816212302 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.