Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 984241109
Over the rolling 12-month window, securities of Y-MABS THERAPEUTICS INC failed to deliver in the NSCC's Continuous Net Settlement system on 10 settlement days, totaling 900,498 fail shares and peaking at 817,788 shares on 2025-08-06. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2025-09-17 | 28,538 | $8.61 |
| 2025-09-16 | 32,380 | $8.61 |
| 2025-09-15 | 16,156 | $8.59 |
| 2025-09-12 | 1,748 | $8.59 |
| 2025-09-10 | 14 | $8.58 |
| 2025-08-18 | 500 | $8.52 |
| 2025-08-06 | 817,788 | $8.52 |
| 2025-07-28 | 1,082 | $4.77 |
| 2025-07-21 | 293 | $4.31 |
| 2025-06-24 | 1,999 | $4.72 |
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 984241109 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.