Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP 018802108
Over the rolling 12-month window, securities of ALLIANT ENERGY CORPORATION failed to deliver in the NSCC's Continuous Net Settlement system on 84 settlement days, totaling 963,738 fail shares and peaking at 165,138 shares on 2026-05-07. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-09-29 | 101 | $63.21 |
| 2026-09-15 | 373 | $66.92 |
| 2026-09-14 | 3 | $67.26 |
| 2026-08-26 | 2,639 | $68.34 |
| 2026-08-17 | 3,691 | $70.60 |
| 2026-08-14 | 42 | $70.20 |
| 2026-08-13 | 28,595 | $70.24 |
| 2026-08-12 | 7,546 | $68.58 |
| 2026-08-10 | 3,197 | $69.37 |
| 2026-08-07 | 251 | $69.52 |
| 2026-08-05 | 2,085 | $70.66 |
| 2026-08-04 | 2,963 | $71.27 |
| 2026-07-31 | 1,418 | $70.89 |
| 2026-07-30 | 816 | $72.00 |
| 2026-07-22 | 18,718 | $73.11 |
| 2026-07-20 | 21,916 | $74.82 |
| 2026-07-02 | 258 | $75.79 |
| 2026-06-30 | 94 | $77.18 |
| 2026-06-24 | 1 | $74.57 |
| 2026-06-22 | 9,400 | $73.00 |
| 2026-06-15 | 102 | $73.11 |
| 2026-06-09 | 12,012 | $71.71 |
| 2026-06-01 | 6,172 | $71.61 |
| 2026-05-29 | 32 | $72.17 |
| 2026-05-19 | 13,806 | $72.09 |
| 2026-05-13 | 2,523 | $72.59 |
| 2026-05-11 | 114,389 | $71.76 |
| 2026-05-07 | 165,138 | $72.31 |
| 2026-05-06 | 11,958 | $73.07 |
| 2026-05-01 | 20 | $73.43 |
| 2026-04-24 | 1,064 | $72.63 |
| 2026-04-23 | 454 | $70.96 |
| 2026-04-20 | 7,451 | $72.83 |
| 2026-04-15 | 3 | $72.30 |
| 2026-04-14 | 14,022 | $72.51 |
| 2026-04-13 | 2 | $73.10 |
| 2026-04-10 | 34,428 | $73.72 |
| 2026-04-07 | 13 | $72.45 |
| 2026-04-06 | 1,261 | $72.85 |
| 2026-03-31 | 1 | $71.49 |
| 2026-03-26 | 621 | $69.77 |
| 2026-03-25 | 26 | $69.66 |
| 2026-03-24 | 21,602 | $69.17 |
| 2026-03-23 | 1,543 | $68.71 |
| 2026-03-20 | 43,524 | $71.32 |
| 2026-03-17 | 12,831 | $73.03 |
| 2026-03-13 | 218 | $71.57 |
| 2026-03-12 | 37,995 | $70.81 |
| 2026-03-11 | 34,318 | $71.04 |
| 2026-03-04 | 18 | $72.23 |
| 2026-03-03 | 11,889 | $72.33 |
| 2026-02-24 | 3 | $71.91 |
| 2026-02-11 | 1,915 | $68.01 |
| 2026-02-10 | 137 | $66.90 |
| 2026-02-03 | 49 | $65.11 |
| 2026-01-30 | 15,331 | $66.33 |
| 2026-01-28 | 7,105 | $67.19 |
| 2026-01-23 | 150 | $66.87 |
| 2026-01-22 | 150 | $67.44 |
| 2026-01-21 | 150 | $67.28 |
| 2026-01-20 | 34 | $67.34 |
| 2026-01-16 | 6,105 | $67.06 |
| 2026-01-09 | 2 | $65.55 |
| 2025-12-31 | 5,330 | $65.42 |
| 2025-12-30 | 11,007 | $65.42 |
| 2025-12-24 | 3,091 | $65.26 |
| 2025-12-22 | 985 | $64.63 |
| 2025-12-18 | 388 | $65.48 |
| 2025-12-11 | 17 | $64.81 |
| 2025-11-24 | 96 | $68.27 |
| 2025-11-20 | 114 | $67.22 |
| 2025-11-07 | 63,745 | $66.74 |
| 2025-11-05 | 12 | $66.59 |
| 2025-10-30 | 911 | $67.79 |
| 2025-10-29 | 90 | $67.98 |
| 2025-10-27 | 1,800 | $68.97 |
| 2025-10-23 | 10,437 | $68.56 |
| 2025-10-22 | 6,991 | $68.22 |
| 2025-10-20 | 92 | $68.07 |
| 2025-10-16 | 654 | $68.63 |
| 2025-10-15 | 876 | $68.33 |
| 2025-10-14 | 114,986 | $67.66 |
| 2025-10-10 | 109,384 | $67.24 |
| 2025-10-09 | 964 | $67.87 |
| 2025-10-08 | 997 | $68.07 |
| 2025-10-07 | 1,008 | $68.12 |
| 2025-10-03 | 134 | $66.31 |
| 2025-09-10 | 2,300 | $64.01 |
| 2025-08-29 | 14,162 | $65.02 |
| 2025-08-28 | 5,090 | $65.80 |
Showing 90 most recent of 107.
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 018802108 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.