InsiderTrades

Form 4 for OII OCEANEERING INTERNATIONAL INC

Accepted 2026-05-14 16:59:16 ET · period of report 2026-05-12 · accession 0000073756-26-000088 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-05-14 16:59 2026-05-12+ OII MCDONALD MARTIN J SVP, Subsea Robotics S - Sale $38.43 -70.0K 49.2K -59% -$2.69M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-12 S D 26,053 $38.33 93,176 D — — (F1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.200 to $38.690, inclusive. The issuer undertakes to provide, upon request by the SEC staff or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote to this Form 4.
2 Common Common Stock 2026-05-13 S D 43,947 $38.49 49,229 D — — (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.200 to $38.960 inclusive. The issuer undertakes to provide, upon request by the SEC staff or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote to this Form 4.