Larson Roderick A. insider trades
Larson Roderick A. has filed 15 Form 4s with the SEC that we hold, for Oceaneering International INC (OII) (President and CEO, Director) and NPK International Inc. (NPKI) (Director). Across all of them we count 0 purchases worth $0 and 3 sales worth $456.3K reported on Form 4. In the last 12 months: 0 purchases ($0) and 3 sales ($456.3K). The largest single trade was a sale of 5,000 shares of Oceaneering International INC worth $191.4K, dated 2026-05-18. Of 2 sales filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2022-03-01 and the latest 2026-10-05.
Oceaneering International INC (OII)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-05-18 | S, sale reported on Form 4 | 5,000 | $191.4K | 2026-05-19 |
| 2026-10-01 | S, sale reported on Form 4 | 1,700 | $74.1K | 2026-10-05 |
| 2026-10-01 | S, sale reported on Form 4 | 4,300 | $190.8K | 2026-10-05 |
NPK International Inc. (NPKI)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1550150) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
Privacy · Terms