LARSON RODERICK A. Insider Trading -- Recent SEC Form 4 Transactions
LARSON RODERICK A. (CIK 1550150) reported 6 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-10-05). Recent activity: Sell OII (1,700 shares), Sell OII (4,300 shares), Buy NPKI (8,558 shares), Sell OII (5,000 shares), Sell OII (38,227 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-05 | OCEANEERING INTERNATIONAL INC (OII) | President and CEO | Sell | 1,700 | $74,137 |
| 2026-10-05 | OCEANEERING INTERNATIONAL INC (OII) | President and CEO | Sell | 4,300 | $190,834 |
| 2026-05-21 | NPK International Inc. (NPKI) | Director | Buy | 8,558 | $0 |
| 2026-05-19 | OCEANEERING INTERNATIONAL INC (OII) | President and CEO | Sell | 5,000 | $191,350 |
| 2026-02-26 | OCEANEERING INTERNATIONAL INC (OII) | President and CEO | Sell | 38,227 | $1.4M |
| 2025-05-19 | NPK International Inc. (NPKI) | Director | Buy | 15,097 | $0 |
Source: SEC Form 4 filings · as of 2026-10-05