Donald J. Tringali

Companies

• NATURAL GAS SERVICES GROUP INCBoard member May 3, 2023 to now¹
• FIREFLY NEUROSCIENCE, INC.Board member May 12, 2021 to Nov 23, 2022²

Holdings

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

Shares held

• NGNATURAL GAS SERVICES GROUP INC NGS19,718 shares³$611.4K at $31.00Sep 3, 2026

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

Recent filings

• Sep 2, 2026Granted 59 shares at $35.22 of NATURAL GAS SERVICES GROUP INC³
• Jun 8, 2026Granted 49 shares at $42.42 of NATURAL GAS SERVICES GROUP INC⁴
• Jun 5, 2026Granted 4,010 shares of NATURAL GAS SERVICES GROUP INC⁵
• Jun 5, 2026Granted 446 shares of NATURAL GAS SERVICES GROUP INC⁵
• Mar 4, 2026Granted 40 shares at $37.52 of NATURAL GAS SERVICES GROUP INC⁶
• Dec 3, 2025Granted 49 shares at $30.50 of NATURAL GAS SERVICES GROUP INC⁷
• Aug 8, 2025Granted 34 shares at $24.78 of NATURAL GAS SERVICES GROUP INC⁸
• Jun 13, 2025Granted 5,058 shares of NATURAL GAS SERVICES GROUP INC⁹
• Jun 13, 2025Granted 562 shares of NATURAL GAS SERVICES GROUP INC⁹
• May 9, 2024Granted 8,523 shares of NATURAL GAS SERVICES GROUP INC¹⁰
• May 9, 2024Granted 947 shares of NATURAL GAS SERVICES GROUP INC¹⁰