Mark E. Baldwin

Companies

• Nine Energy Service, Inc.Board member Jan 18, 2018 to now¹
• TETRA TECHNOLOGIES INCBoard member Jan 16, 2014 to now²
• KBR, Inc.Board member Oct 7, 2014 to Aug 5, 2024³

Holdings

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

Shares held

• KBR, Inc. KBR60,621 shares⁴$2.2M at $36.44Aug 2, 2024
• TTTETRA TECHNOLOGIES INC TTI334,470 shares⁵$1.8M at $5.31May 21, 2025
• NENine Energy Service, Inc. NINE113,524 shares⁶$942.2K at $8.30May 8, 2025

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

Recent filings

• May 21, 2025Exercised options 26,551 shares of TETRA TECHNOLOGIES INC⁵
• May 8, 2025Granted 8,750 shares of Nine Energy Service, Inc.⁶
• Aug 2, 2024Gift 4,000 shares of KBR, Inc.⁴
• May 24, 2024Exercised options 39,091 shares of TETRA TECHNOLOGIES INC⁷
• May 7, 2024Granted 48,077 shares of Nine Energy Service, Inc.⁸
• Feb 22, 2024Granted 2,868 shares of KBR, Inc.⁹
• May 24, 2023Exercised options 24,022 shares of TETRA TECHNOLOGIES INC¹⁰
• May 9, 2023Granted 5,071 shares of Nine Energy Service, Inc.¹¹
• Feb 22, 2023Granted 3,053 shares of KBR, Inc.¹²
• May 26, 2022Exercised options 31,216 shares of TETRA TECHNOLOGIES INC¹³
• May 3, 2022Granted 5,141 shares of Nine Energy Service, Inc.¹⁴
• Feb 24, 2022Granted 3,538 shares of KBR, Inc.¹⁵