OII SEC Form 4 filings
Oceaneering International Inc Latest Insider Trading Activity
Our insider trading activity tracker for Oceaneering International Inc shows 16 total open-market insider transactions for OII over the past 237 days. The most recent displayed transaction was on May 18, 2026, when Larson Roderick A. (Oceaneering International Inc President and CEO) reported a sale of 5,000 shares at $38.27 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For OII Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-05-19 | 2026-05-18 | Oceaneering International Inc | Larson Roderick A. | President and CEO | Sell | 1 | 5,000 | $38.27 | $191,350.00 | 1.24% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-05-14 | 2026-05-13 | Oceaneering International Inc | Mcdonald Martin J | SVP, Subsea Robotics | Sell | 2 | 70,000 | $38.43 | $2,690,131.52 | 32.96% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-03-13 | 2026-03-11 | Oceaneering International Inc | Mcevoy M Kevin | Director | Sell | 1 | 25,678 | $35.27 | $905,663.06 | 16.45% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-26 | Oceaneering International Inc | Laura Benjamin | SVP & Chief Operating Officer | Sell | 2 | 38,282 | $37.43 | $1,432,741.04 | 30.63% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-26 | Oceaneering International Inc | Kriendler Holly | SVP, Chief H.R. Officer | Sell | 2 | 24,805 | $37.63 | $933,457.49 | 31.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-26 | Oceaneering International Inc | Granato Leonardo P | SVP, IMDS | Sell | 3 | 9,853 | $37.41 | $368,584.73 | 24.89% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-25 | Oceaneering International Inc | Dunn Catherine E | VP, Chief Accounting Officer | Sell | 2 | 9,070 | $37.66 | $341,596.10 | 45.79% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-25 | Oceaneering International Inc | Beachy Karen H | Director | Sell | 1 | 9,800 | $37.41 | $366,618.00 | 30.05% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction OII | 2026-02-26 | 2026-02-25 | Oceaneering International Inc | Simons Jennifer Fremont | SVP, CLO and Secretary | Sell | 1 | 10,284 | $38.96 | $400,664.64 | 22.52% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. OII | 2026-02-26 | 2026-02-25 | Oceaneering International Inc | Childress Earl | SVP, Chief Commercial Ofc | Sell | 1 | 22,518 | $37.41 | $842,398.38 | 38.76% | View Filing |
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Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.