Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 449585108
Over the rolling 12-month window, securities of IGM BIOSCIENCES INC COM failed to deliver in the NSCC's Continuous Net Settlement system on 27 settlement days, totaling 1,032,666 fail shares and peaking at 235,411 shares on 2025-07-03. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2025-08-15 | 4,013 | $1.27 |
| 2025-08-01 | 2,762 | $1.27 |
| 2025-07-31 | 50,261 | $1.26 |
| 2025-07-30 | 142,142 | $1.26 |
| 2025-07-29 | 17,357 | $1.26 |
| 2025-07-23 | 1,797 | $1.27 |
| 2025-07-22 | 5,652 | $1.28 |
| 2025-07-21 | 29,154 | $1.28 |
| 2025-07-18 | 144 | $1.27 |
| 2025-07-17 | 144 | $1.27 |
| 2025-07-09 | 24 | $1.33 |
| 2025-07-07 | 198,441 | $1.36 |
| 2025-07-03 | 235,411 | $1.32 |
| 2025-07-02 | 232,949 | $1.29 |
| 2025-07-01 | 18,160 | $1.12 |
| 2025-06-27 | 5,632 | $1.22 |
| 2025-06-26 | 2,148 | $1.21 |
| 2025-06-20 | 470 | $1.17 |
| 2025-06-18 | 11,828 | $1.19 |
| 2025-06-17 | 5,821 | $1.22 |
| 2025-06-16 | 11,875 | $1.21 |
| 2025-06-13 | 11,839 | $1.21 |
| 2025-06-12 | 17,740 | $1.27 |
| 2025-06-09 | 19,232 | $1.32 |
| 2025-06-06 | 256 | $1.24 |
| 2025-06-05 | 2,733 | $1.26 |
| 2025-06-03 | 4,681 | $1.26 |
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 449585108 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.