Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 910873405
Over the rolling 12-month window, securities of UNITED MICROELECTRONICS CORP A failed to deliver in the NSCC's Continuous Net Settlement system on 200 settlement days, totaling 43,623,364 fail shares and peaking at 3,556,637 shares on 2025-06-12. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-14 | 100 | $22.39 |
| 2026-10-13 | 17,110 | $22.55 |
| 2026-10-08 | 109,077 | $23.31 |
| 2026-10-07 | 703,606 | $23.19 |
| 2026-09-30 | 2,744 | $24.72 |
| 2026-09-29 | 608 | $23.85 |
| 2026-09-21 | 285,374 | $24.61 |
| 2026-09-18 | 9,011 | $24.47 |
| 2026-09-16 | 915 | $21.61 |
| 2026-09-15 | 8,546 | $21.90 |
| 2026-09-14 | 1,493 | $22.64 |
| 2026-09-11 | 19,898 | $22.12 |
| 2026-09-10 | 14,746 | $22.69 |
| 2026-09-09 | 201,383 | $21.82 |
| 2026-09-08 | 78,852 | $20.77 |
| 2026-09-04 | 6,674 | $19.86 |
| 2026-09-03 | 585,183 | $19.97 |
| 2026-09-02 | 11,761 | $20.47 |
| 2026-09-01 | 183,800 | $19.88 |
| 2026-08-31 | 97,168 | $19.79 |
| 2026-08-28 | 40,777 | $19.07 |
| 2026-08-26 | 1,130 | $19.60 |
| 2026-08-25 | 1,345 | $19.05 |
| 2026-08-24 | 404 | $18.34 |
| 2026-08-21 | 267,340 | $18.00 |
| 2026-08-18 | 287 | $19.53 |
| 2026-08-10 | 55,000 | $18.72 |
| 2026-08-07 | 71,052 | $19.20 |
| 2026-08-06 | 263,570 | $19.29 |
| 2026-08-05 | 13 | $20.63 |
| 2026-08-04 | 26,473 | $18.69 |
| 2026-08-03 | 77 | $19.03 |
| 2026-07-31 | 19,357 | $18.94 |
| 2026-07-29 | 14,220 | $17.36 |
| 2026-07-27 | 236 | $19.48 |
| 2026-07-24 | 118,117 | $20.87 |
| 2026-07-23 | 122,751 | $21.29 |
| 2026-07-17 | 910 | $22.29 |
| 2026-07-16 | 549 | $24.92 |
| 2026-07-15 | 399 | $23.84 |
| 2026-07-10 | 28,295 | $24.86 |
| 2026-07-08 | 22,992 | $23.83 |
| 2026-07-07 | 385,592 | $25.83 |
| 2026-07-06 | 825,000 | $24.54 |
| 2026-07-02 | 572,972 | $25.71 |
| 2026-06-30 | 60,331 | $26.84 |
| 2026-06-29 | 799,564 | $25.58 |
| 2026-06-26 | 577,253 | $27.73 |
| 2026-06-25 | 136,800 | $28.01 |
| 2026-06-24 | 744 | $26.20 |
| 2026-06-22 | 6,770 | $24.08 |
| 2026-06-18 | 36,626 | $21.76 |
| 2026-06-17 | 26,944 | $21.62 |
| 2026-06-16 | 18,133 | $23.08 |
| 2026-06-15 | 26,205 | $21.63 |
| 2026-06-12 | 372,183 | $20.68 |
| 2026-06-11 | 27,069 | $18.90 |
| 2026-06-10 | 165,721 | $19.88 |
| 2026-06-08 | 21,851 | $19.70 |
| 2026-06-05 | 200 | $20.79 |
| 2026-06-04 | 48,490 | $21.42 |
| 2026-06-03 | 14,791 | $22.46 |
| 2026-06-02 | 5,785 | $22.89 |
| 2026-06-01 | 102,660 | $22.18 |
| 2026-05-29 | 155,025 | $22.68 |
| 2026-05-28 | 25,273 | $22.22 |
| 2026-05-27 | 3,038 | $21.08 |
| 2026-05-26 | 2,225 | $18.22 |
| 2026-05-22 | 389,417 | $18.35 |
| 2026-05-21 | 599 | $17.56 |
| 2026-05-19 | 3,332 | $17.12 |
| 2026-05-18 | 3,439 | $17.20 |
| 2026-05-15 | 38,121 | $17.13 |
| 2026-05-14 | 2,216 | $15.92 |
| 2026-05-13 | 4,917 | $16.06 |
| 2026-05-11 | 112 | $15.42 |
| 2026-05-08 | 1,504,222 | $15.16 |
| 2026-05-07 | 99,919 | $15.23 |
| 2026-05-06 | 100,300 | $14.01 |
| 2026-05-04 | 1,322 | $13.05 |
| 2026-05-01 | 253,473 | $13.06 |
| 2026-04-24 | 235 | $12.00 |
| 2026-04-23 | 323 | $12.71 |
| 2026-04-22 | 3,162 | $12.33 |
| 2026-04-21 | 3,424 | $12.64 |
| 2026-04-20 | 154,942 | $11.66 |
| 2026-04-17 | 1,118,942 | $10.62 |
| 2026-04-16 | 3,679 | $9.95 |
| 2026-04-15 | 265,288 | $9.59 |
| 2026-04-14 | 1,238 | $9.70 |
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 910873405 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.