Roderick A. Larson

Companies

• Oceaneering InternationalBoard member May 5, 2017 to now¹
• Oceaneering InternationalChief executive officer May 5, 2017 to now¹
• Oceaneering InternationalPresident Feb 23, 2015 to now²
• Newpark ResourcesBoard member Mar 18, 2014 to now³
• Oceaneering InternationalChief operating officer May 29, 2012 to Feb 25, 2015⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Oceaneering International OII642,710 shares⁵$27.7M at $43.05Oct 5, 2026
• NRNewpark Resources NPKI257,306 shares⁶$2.7M at $10.67May 21, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Oct 1, 2026Sold 4,300 shares at $44.38 of Oceaneering International⁵
• Oct 1, 2026Sold 1,700 shares at $43.61 of Oceaneering International⁵
• May 20, 2026Granted 8,558 shares of Newpark Resources⁶
• May 18, 2026Sold 5,000 shares at $38.27 of Oceaneering International⁷
• Feb 24, 2026Shares withheld for tax 38,227 shares at $37.22 of Oceaneering International⁸
• May 15, 2025Granted 15,097 shares of Newpark Resources⁹
• Feb 25, 2025Shares withheld for tax 41,046 shares at $22.09 of Oceaneering International¹⁰
• Feb 24, 2025Granted 91,797 shares of Oceaneering International¹⁰
• May 16, 2024Granted 16,108 shares of Newpark Resources¹¹
• Feb 26, 2024Shares withheld for tax 59,932 shares at $21.97 of Oceaneering International¹²
• Feb 23, 2024Granted 100,962 shares of Oceaneering International¹³
• May 18, 2023Granted 32,134 shares of Newpark Resources¹⁴
• May 18, 2023Granted 38,560 shares of Newpark Resources¹⁵
• Feb 27, 2023Shares withheld for tax 35,916 shares at $19.79 of Oceaneering International¹⁶
• Feb 24, 2023Granted 96,899 shares of Oceaneering International¹⁶
• May 19, 2022Granted 36,496 shares of Newpark Resources¹⁷
• Feb 28, 2022Shares withheld for tax 32,801 shares at $14.14 of Oceaneering International¹⁸
• Feb 25, 2022Granted 104,185 shares of Oceaneering International¹⁸
• May 20, 2021Granted 34,299 shares of Newpark Resources¹⁹
• Mar 1, 2021Shares withheld for tax 24,528 shares at $11.80 of Oceaneering International²⁰
• Feb 26, 2021Granted 152,160 shares of Oceaneering International²⁰
• May 21, 2020Granted 30,562 shares of Newpark Resources²¹
• Mar 9, 2020Bought 10,000 shares at $5.00 of Oceaneering International²²
• Feb 27, 2020Granted 107,922 shares of Oceaneering International²³
• Feb 24, 2020Shares withheld for tax 18,984 shares at $12.97 of Oceaneering International²⁴

Trade performance

Returns are price-only (no dividends), measured from the trade date.