Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 37148K100
Over the rolling 12-month window, securities of GENERATION BIO CO failed to deliver in the NSCC's Continuous Net Settlement system on 5 settlement days, totaling 111,306 fail shares and peaking at 98,500 shares on 2025-07-02. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2025-07-22 | 100 | $0.42 |
| 2025-07-02 | 98,500 | $0.32 |
| 2025-07-01 | 272 | $0.32 |
| 2025-06-26 | 8,773 | $0.36 |
| 2025-06-09 | 3,661 | $0.44 |
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 37148K100 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.