SEC Form 4 · accession 0001039684-26-000033

· OKE

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — See Remarks

Period of report

Sep 23, 2026

Accepted (ET)

Sep 24, 2026 · 6:02 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001039684

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock, par value $0.01^F1	Sep 23, 2026	M	2,895	—	A	173,299	D
Common Stock, par value $0.01	Sep 23, 2026	F	1,270	$90.09	D	172,029	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
RSU 2025-S^F1	—	Sep 23, 2026	M	2,895	D	—	—	Common Stock, par value $0.01	2,895	11,019	D

F1Restricted units awarded under the Issuer's Equity Incentive Plan on 9/23/25. Twenty percent of the award vested on 9/23/2026. During the vesting period, the award was credited with dividend equivalents that were paid out in shares of common stock at the time the underlying units vested and were issued. The award and credited dividend equivalents were payable in one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from dividend equivalents.

Executive Vice President and Chief Enterprise Services Officer