Oceaneering International, Inc. (OII) Insider Trading
Over the last 3 months, OII insiders made 0 open-market buys and 5 sales, a net sale of -$1.6M (SEC Form 4). Over the last 6 months, 283 institutions increased and 226 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$1.6M
Insider trades by month Buys Sells
Jan
Feb
Mar
May
Jul
Aug
Context3-month price +36.4%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 10, 2026 | MURPHY PAUL B JRdirector | Sell | 10,000 | $48.37 |
| Jul 31, 2026 | DYER CHRISTOPHER Jofficer: SVP, OPGroup | Sell | 1,200 | $47.65 |
| Jul 31, 2026 | Childress Earlofficer: SVP, Chief Commercial Ofc. | Sell | 12,701 | $46.71 |
| Jul 31, 2026 | MCEVOY M KEVINdirector | Sell | 3,000 | $47.92 |
| Jul 1, 2026 | GOODWIN DEANNA Ldirector | Sell | 7,000 | $40.69 |
| May 19, 2026 | MURPHY PAUL B JRdirector | Grant | 4,576 | — |
| May 19, 2026 | Reinhardsen Jon Erikdirector | Grant | 4,576 | — |
| May 19, 2026 | MCEVOY M KEVINdirector | Grant | 6,729 | — |
| May 19, 2026 | BERRY WILLIAM Bdirector | Grant | 4,576 | — |
| May 19, 2026 | Jenkins Roger W.director | Grant | 4,576 | — |
| May 19, 2026 | WEBSTER STEVEN Adirector | Grant | 4,576 | — |
| May 19, 2026 | Poddar Reemadirector | Grant | 4,576 | — |
| May 19, 2026 | LARSON RODERICK A.director, officer: President and CEO | Sell | 5,000 | $38.27 |
| May 19, 2026 | GOODWIN DEANNA Ldirector | Grant | 4,576 | — |
| May 19, 2026 | Beachy Karen Hdirector | Grant | 4,576 | — |
| May 14, 2026 | MCDONALD MARTIN Jofficer: SVP, Subsea Robotics | Sell | 43,947 | $38.49 |
| May 14, 2026 | MCDONALD MARTIN Jofficer: SVP, Subsea Robotics | Sell | 26,053 | $38.33 |
| Mar 13, 2026 | MCEVOY M KEVINdirector | Sell | 25,678 | $35.27 |
| Feb 26, 2026 | Laura Benjaminofficer: SVP & Chief Operating Officer | Sell | 33,176 | $37.51 |
| Feb 26, 2026 | Dunn Catherine Eofficer: VP, Chief Accounting Officer | Sell | 2,866 | $37.97 |
| Feb 26, 2026 | Childress Earlofficer: SVP, Chief Commercial Ofc. | Tax | 4,695 | $37.22 |
| Feb 26, 2026 | Laura Benjaminofficer: SVP & Chief Operating Officer | Tax | 5,551 | $37.22 |
| Feb 26, 2026 | Laura Benjaminofficer: SVP & Chief Operating Officer | Sell | 5,106 | $36.88 |
| Feb 26, 2026 | Childress Earlofficer: SVP, Chief Commercial Ofc. | Sell | 22,518 | $37.41 |
| Feb 26, 2026 | DYER CHRISTOPHER Jofficer: SVP, OPGroup | Tax | 2,812 | $37.22 |
| Feb 26, 2026 | Kriendler Hollyofficer: SVP, Chief H.R. Officer | Sell | 5,798 | $37.31 |
| Feb 26, 2026 | MCDONALD MARTIN Jofficer: SVP, Subsea Robotics | Tax | 4,826 | $37.22 |
| Feb 26, 2026 | Beachy Karen Hdirector | Sell | 9,800 | $37.41 |
| Feb 26, 2026 | DYER CHRISTOPHER Jofficer: SVP, OPGroup | Sell | 6,000 | $38.08 |
| Feb 26, 2026 | LARSON RODERICK A.director, officer: President and CEO | Tax | 38,227 | $37.22 |
Source: OII SEC Form 4 filings, latest Aug 10, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their OII positions over the last 6 months (SEC Form 13F).
Increased
283
New positions
156
Reduced
226
Sold out
53
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 16.4M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 16.3M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 7.9M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 7.6M | May 8, 2026 |
| BROWN ADVISORY INC | Reduced | 5.8M | May 15, 2026 |
| STATE STREET CORP | Increased | 5.0M | May 15, 2026 |
| STATE STREET CORP | Reduced | 5.0M | Aug 7, 2026 |
| BROWN ADVISORY INC | Reduced | 5.0M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.5M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.5M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 4.0M | Aug 12, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3.8M | May 15, 2026 |
| EARNEST PARTNERS LLC | Reduced | 3.7M | May 15, 2026 |
| EARNEST PARTNERS LLC | Reduced | 3.5M | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3.5M | Aug 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.