Federal Data Hub › SEC Fails-to-Deliver · JSON

Idemitsu Kosan Co Ltd, Tokyo U (IDKOY)

Fails-to-deliver · CUSIP 45166E104

Over the rolling 12-month window, securities of Idemitsu Kosan Co Ltd, Tokyo U failed to deliver in the NSCC's Continuous Net Settlement system on 36 settlement days, totaling 233,405 fail shares and peaking at 50,775 shares on 2025-06-04. Persistent or spiking fails-to-deliver can signal delivery stress, naked short selling, or operational settlement problems.

Recent daily fails

Settlement dateFail sharesPrice
2026-09-235,600$21.16
2026-09-225,600$21.02
2026-09-215,600$21.59
2026-09-185,600$21.34
2026-09-03106$18.40
2026-09-021,004$18.39
2026-09-01414$18.17
2026-08-281,047$18.45
2026-08-14216$17.39
2026-08-13396$17.79
2026-08-12401$16.33
2026-08-11506$16.30
2026-08-061$15.99
2026-06-111,270$16.62
2026-04-22995$17.50
2026-03-31845$19.28
2026-03-2553$19.15
2026-03-2453$18.65
2026-03-201,417$20.05
2026-03-191,517$19.61
2026-03-181,697$19.16
2026-03-032$19.00
2026-03-022$19.00
2026-02-171,350$18.78
2026-02-131,814$18.78
2026-02-1112,382$18.64
2026-02-1012,382$18.64
2026-02-0912,405$18.39
2026-02-062,730$17.77
2026-02-0466$17.10
2026-02-0311$16.35
2026-01-15505$15.30
2026-01-14505$15.30
2025-10-17359$13.63
2025-10-1429$12.87
2025-10-091$13.49
2025-10-08269$13.56
2025-10-071,193$13.80
2025-10-06870$14.24
2025-09-244,847$12.93
2025-09-234,847$12.93
2025-09-224,917$13.92
2025-09-151,858$13.67
2025-09-121,844$13.67
2025-07-155,982$12.58
2025-07-146,445$13.02
2025-07-118,373$12.56
2025-06-0450,775$12.27
2025-06-0343,594$12.47
2025-06-0246,471$12.08

About this data

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 45166E104 links to this security's other federal filings across the hub.

Source: SEC Fails-to-Deliver Data. License: CC0 1.0.