HOLLEY JEAN K 4

What Happened

• Jean K. Holley, a director of Natural Gas Services Group, Inc. (NGS), was granted 3,009 Restricted Stock Units (RSUs) on June 10, 2026. The grant is recorded at a $0.00 per-share grant price and shown as a derivative award (no immediate cash cost).
• The RSUs vest on the first anniversary of the grant (subject to acceleration in certain circumstances), so the shares will be delivered only if vesting conditions are met.

Key Details

• Transaction date: 2026-06-10; Form 4 filed: 2026-06-11 (timely; insider filings are generally due within 2 business days).
• Transaction type/code: A — Award/Grant of derivative securities (RSUs).
• Shares involved: 3,009 RSUs; reported acquisition price: $0.00; immediate reported value: $0 (derivative).
• Shares owned following the transaction: not specified in this filing.
• Footnotes: F1 — each RSU equals the right to one share upon vesting; F2 — award granted under the Company’s 2019 Equity Incentive Plan and vests on the first anniversary of the grant (with possible accelerated vesting).

Context

• RSUs are a form of deferred compensation: they represent the right to receive shares in the future if vesting conditions are met. This is not an open-market purchase or sale and does not reflect an immediate transfer of shares.