Federal Data Hub › SEC Fails-to-Deliver · JSON
Fails-to-deliver · CUSIP G0403H108
Over the rolling 12-month window, securities of AON PLC ORD SHS CL A NEW (IRL) failed to deliver in the NSCC's Continuous Net Settlement system on 51 settlement days, totaling 137,027 fail shares and peaking at 36,256 shares on 2026-04-27. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.
| Settlement date | Fail shares | Price |
|---|---|---|
| 2026-10-13 | 10 | $274.78 |
| 2026-10-09 | 97 | $277.12 |
| 2026-09-08 | 880 | $323.09 |
| 2026-09-01 | 3,642 | $321.52 |
| 2026-08-28 | 16 | $349.56 |
| 2026-08-17 | 30 | $355.83 |
| 2026-08-10 | 59 | $358.30 |
| 2026-08-06 | 7,520 | $359.97 |
| 2026-07-29 | 920 | $381.26 |
| 2026-07-28 | 1,202 | $367.17 |
| 2026-07-09 | 210 | $357.51 |
| 2026-07-08 | 101 | $359.82 |
| 2026-06-15 | 40,581 | $335.31 |
| 2026-06-05 | 262 | $322.24 |
| 2026-05-22 | 1,833 | $324.22 |
| 2026-05-15 | 2 | $315.41 |
| 2026-05-07 | 835 | $308.27 |
| 2026-04-27 | 36,256 | $321.14 |
| 2026-04-15 | 3 | $323.02 |
| 2026-04-14 | 70 | $325.40 |
| 2026-04-13 | 396 | $312.57 |
| 2026-04-07 | 17,642 | $326.17 |
| 2026-04-06 | 50 | $323.14 |
| 2026-03-30 | 279 | $313.66 |
| 2026-03-26 | 148 | $321.45 |
| 2026-03-25 | 106 | $327.03 |
| 2026-03-23 | 10,000 | $325.63 |
| 2026-03-20 | 22,435 | $316.99 |
| 2026-03-13 | 2,215 | $315.91 |
| 2026-02-19 | 27 | $322.98 |
| 2026-02-09 | 967 | $342.04 |
| 2026-01-20 | 39 | $343.86 |
| 2026-01-15 | 87 | $346.00 |
| 2026-01-05 | 62 | $344.27 |
| 2025-12-11 | 100 | $340.05 |
| 2025-12-05 | 2,199 | $347.71 |
| 2025-12-01 | 20 | $353.92 |
| 2025-11-25 | 2,771 | $344.70 |
| 2025-11-05 | 742 | $344.21 |
| 2025-11-04 | 33 | $339.84 |
| 2025-10-29 | 396 | $329.96 |
| 2025-10-24 | 1 | $341.35 |
| 2025-10-20 | 3 | $346.60 |
| 2025-10-15 | 6,474 | $360.51 |
| 2025-10-07 | 117 | $365.70 |
| 2025-09-30 | 38 | $354.62 |
| 2025-09-23 | 35 | $353.46 |
| 2025-09-11 | 21 | $362.37 |
| 2025-09-10 | 751 | $366.38 |
| 2025-08-25 | 50 | $375.10 |
| 2025-08-08 | 1,573 | $365.03 |
| 2025-08-05 | 991 | $360.40 |
| 2025-08-01 | 5,413 | $355.71 |
| 2025-07-17 | 690 | $354.56 |
| 2025-07-15 | 16 | $359.82 |
| 2025-07-14 | 56 | $355.67 |
| 2025-06-26 | 21 | $354.46 |
| 2025-06-24 | 424 | $359.95 |
| 2025-06-23 | 100 | $354.70 |
| 2025-06-20 | 4 | $350.83 |
| 2025-06-18 | 77 | $350.81 |
| 2025-06-16 | 25 | $353.00 |
| 2025-06-11 | 33 | $351.71 |
| 2025-06-03 | 392 | $376.16 |
| 2025-06-02 | 20,009 | $372.08 |
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 G0403H108 links to this security's other federal filings across the hub.
Source: SEC Fails-to-Deliver Data. License: CC0 1.0.