Roderick A. Larson
Insider
First SEC filing: May 19, 2025 · Latest: May 19, 2025
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-191,350
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 20, 2026 | NPKI | A | 8,558 | · | · | 23,655 Direct | +56.69% | Acquired | (price as of 2026-10-02) |
| May 18, 2026 | OII | S | 5,000 | $38.27 | $191,350 | 397,279 Indirect | -1.24% | Disposed | 15.8% (price as of 2026-10-02) |
| Feb. 24, 2026 | OII | F | 38,227 | $37.22 | $1,422,809 | 251,431 Direct | -13.20% | Disposed | 19.1% (price as of 2026-10-02) |
| Feb. 20, 2026 | OII | A | 82,672 | · | · | 82,672 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2026 | OII | A | 82,672 | · | · | 82,672 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | NPKI | A | 15,097 | · | · | 15,097 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2025 | OII | F | 41,046 | $22.09 | $906,706 | 352,797 Direct | -10.42% | Disposed | 100.6% (price as of 2026-10-02) |
| Feb. 24, 2025 | OII | A | 91,797 | · | · | 393,843 Direct | +30.39% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | NPKI | A | 16,108 | · | · | 16,108 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2024 | OII | F | 59,932 | $21.97 | $1,316,706 | 423,146 Direct | -12.41% | Disposed | 101.7% (price as of 2026-10-02) |
| Feb. 23, 2024 | OII | A | 100,962 | · | · | 483,078 Direct | +26.42% | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | NPKI | A | 32,134 | · | · | 32,134 Direct | · | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | NPKI | A | 38,560 | · | · | 223,969 Direct | +20.80% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2023 | OII | F | 35,916 | $19.79 | $710,778 | 454,122 Direct | -7.33% | Disposed | 124.0% (price as of 2026-10-02) |
| Feb. 24, 2023 | OII | A | 96,899 | · | · | 490,038 Direct | +24.65% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | NPKI | A | 36,496 | · | · | 185,409 Direct | +24.51% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2022 | OII | F | 32,801 | $14.14 | $463,806 | 539,173 Direct | -5.73% | Disposed | 213.4% (price as of 2026-10-02) |
| Feb. 25, 2022 | OII | A | 104,185 | · | · | 571,974 Direct | +22.27% | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | NPKI | A | 34,299 | · | · | 183,212 Direct | +23.03% | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | OII | F | 24,528 | $11.80 | $289,430 | 467,789 Direct | -4.98% | Disposed | 275.6% (price as of 2026-10-02) |
| Feb. 26, 2021 | OII | A | 152,160 | · | · | 492,317 Direct | +44.73% | Acquired | (price as of 2026-10-02) |
| May 21, 2020 | NPKI | A | 30,562 | · | · | 148,913 Direct | +25.82% | Acquired | (price as of 2026-10-02) |
| March 9, 2020 | OII | P | 10,000 | $5.00 | $50,000 | 340,157 Direct | +3.03% | Acquired | 786.4% (price as of 2026-10-02) |
| Feb. 27, 2020 | OII | A | 107,922 | · | · | 330,157 Direct | +48.56% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2020 | OII | F | 18,984 | $12.97 | $246,222 | 222,235 Direct | -7.87% | Disposed | 241.7% (price as of 2026-10-02) |
| May 23, 2019 | NPKI | A | 20,435 | · | · | 118,351 Direct | +20.87% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2019 | OII | A | 83,246 | · | · | 241,219 Direct | +52.70% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2019 | OII | F | 8,815 | $16.65 | $146,770 | 157,973 Direct | -5.29% | Disposed | 166.2% (price as of 2026-10-02) |
| Dec. 21, 2018 | OII | P | 5,000 | $11.34 | $56,700 | 166,788 Direct | +3.09% | Acquired | 290.8% (price as of 2026-10-02) |
| May 17, 2018 | NPKI | A | 13,953 | · | · | 97,916 Direct | +16.62% | Acquired | (price as of 2026-10-02) |
| March 1, 2018 | OII | A | 62,253 | · | · | 161,788 Direct | +62.54% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2018 | OII | F | 4,805 | $18.45 | $88,652 | 99,535 Direct | -4.61% | Disposed | 140.2% (price as of 2026-10-02) |
| May 18, 2017 | NPKI | A | 19,230 | · | · | 83,963 Direct | +29.71% | Acquired | (price as of 2026-10-02) |
| May 5, 2017 | OII | A | 25,163 | · | · | 104,340 Direct | +31.78% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2017 | OII | A | 22,693 | · | · | 79,177 Direct | +40.18% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2017 | OII | F | 4,210 | · | · | 56,484 Direct | -6.94% | Disposed | (price as of 2026-10-02) |
| May 19, 2016 | NPKI | A | 34,722 | · | · | 64,733 Direct | +115.70% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2016 | OII | F | 3,132 | · | · | 60,694 Direct | -4.91% | Disposed | (price as of 2026-10-02) |
| Feb. 18, 2016 | OII | A | 22,124 | · | · | 63,826 Direct | +53.05% | Acquired | (price as of 2026-10-02) |
| May 22, 2015 | NPKI | A | 16,666 | · | · | 30,011 Direct | +124.89% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2015 | OII | F | 3,318 | · | · | 41,702 Direct | -7.37% | Disposed | (price as of 2026-10-02) |
| Feb. 19, 2015 | OII | A | 12,000 | · | · | 45,020 Direct | +36.34% | Acquired | (price as of 2026-10-02) |
| May 22, 2014 | NPKI | A | 13,345 | · | · | 13,345 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2014 | OII | A | 9,820 | · | · | 33,020 Direct | +42.33% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2013 | OII | A | 11,200 | · | · | 23,200 Direct | +93.33% | Acquired | (price as of 2026-10-02) |
| May 29, 2012 | OII | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 20, 2026 | OII | Performance Stock Units | Common Stock | · | Dec. 31, 2028 | 82,672 | Acquired |
| Feb. 20, 2026 | OII | Restricted Stock Units | Common Stock | · | · | 82,672 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 29, 2012 | OII | Common Stock | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $800,000 | · | $1,917,631 | · | $4,579,303 | · | $456,103 | $7,753,037 |
| 2022 | $760,000 | · | $1,473,176 | · | $3,094,211 | · | $427,421 | $5,754,808 |
| 2021 | $760,000 | · | $1,795,488 | · | $3,543,108 | · | $417,583 | $6,516,179 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.