OII — OCEANEERING INTERNATIONAL INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Measured signals that fired on OII
| date | signal | measured base rate |
|---|---|---|
| 2026-08-17 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-31 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-06-26 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-17 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-06-10 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-07 | MURPHY PAUL B JR Director | Open-market sale | 10.0K | 48.37 | 483.7K |
| 2026-07-30 | Childress Earl SVP, Chief Commercial Ofc. | Open-market sale | 12.7K | 46.71 | 593.3K |
| 2026-07-30 | MCEVOY M KEVIN Director | Open-market sale | 3.0K | 47.92 | 143.8K |
| 2026-07-30 | DYER CHRISTOPHER J SVP, OPGroup | Open-market sale | 1.2K | 47.65 | 57.2K |
| 2026-06-30 | GOODWIN DEANNA L Director | Open-market sale | 7.0K | 40.69 | 284.8K |
| 2026-05-18 | LARSON RODERICK A. President and CEO | Open-market sale | 5.0K | 38.27 | 191.3K |
| 2026-05-15 | Beachy Karen H Director | Grant or award | 4.6K | 0.00 | 0 |
| 2026-05-15 | Jenkins Roger W. Director | Grant or award | 4.6K | 0.00 | 0 |
| 2026-05-15 | GOODWIN DEANNA L Director | Grant or award | 4.6K | 0.00 | 0 |
| 2026-05-15 | BERRY WILLIAM B Director | Grant or award | 4.6K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 579.9M | 16.3M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 268.8M | 7.6M |
| BROWN ADVISORY INC | 205.3M | 5.8M |
| STATE STREET CORP | 178.6M | 5.0M |
| VANGUARD CAPITAL MANAGEMENT LLC | 158.9M | 4.5M |
| AMERICAN CENTURY COMPANIES INC | 133.6M | 3.8M |
| EARNEST PARTNERS LLC | 130.7M | 3.7M |
| DIMENSIONAL FUND ADVISORS LP | 122.8M | 3.5M |
| Morgan Stanley Institutional Investment Advisors LLC | 122.5M | 3.5M |
| NEUBERGER BERMAN GROUP LLC | 114.2M | 3.2M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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