Dunn Catherine E 4

What Happened
Catherine E. Dunn, Vice President and Chief Accounting Officer of Oceaneering International (OII), disposed of a total of 9,645 shares in late February 2026. On 2026-02-24 she had 575 shares withheld to satisfy tax or exercise obligations (code F) at $37.22/share for $21,402. On 2026-02-25 she sold 2,866 shares at $37.97 for $108,808 and 6,204 shares at $37.52 for $232,774. All three transactions are recorded as dispositions (sales).

Key Details

• Transaction dates and prices:
  • 2026-02-24: 575 shares @ $37.22 (tax/withholding) — $21,402
  • 2026-02-25: 2,866 shares @ $37.97 (open market) — $108,808
  • 2026-02-25: 6,204 shares @ $37.52 (open market) — $232,774
• Total shares sold/withheld: 9,645; aggregate proceeds/consideration reported: $362,984.
• Shares owned after the transactions: Not disclosed in the filing.
• Footnotes/plan details: The 575-share (F) entry indicates payment of exercise price or tax liability (tax withholding). No 10b5-1 plan or other special plan is noted in the summary information provided.
• Filing timeliness: Form 4 was filed on 2026-02-26 for transactions on 2026-02-24 and 02-25; this appears to be timely (filed within the standard two-business-day window).

Context
The F-code withholding suggests these transactions relate to an equity award or option exercise where shares were retained/used to satisfy tax obligations, followed by open-market sales of additional shares. Sales by executives can be routine (tax or diversification) and do not necessarily indicate a change in view about the company; the filing contains no statement of intent or 10b5-1 plan.