Mesa Labs (MLAB) SVP Brian Archbold Exercises Options, Sells Shares

What Happened

• Brian David Archbold, SVP Operations at Mesa Laboratories (MLAB), exercised equity derivatives and received restricted/ performance-based shares on June 18, 2026, and then sold shares in the open market on June 22, 2026. Transactions reported:
  • Exercised/conversion (M): 844 shares @ $95.10 = $80,264 (acquired)
  • Exercised/conversion (M): 2,480 shares @ $95.10 = $235,848 (acquired)
  • Grant/award (A): 1,859 shares @ $95.10 = $176,791 (acquired)
  • Open market sale (S): 2,516 shares @ $89.50 = $225,187 (disposed)
  • The filing also shows the related derivative instruments (844 and 2,480) marked as disposed at $0, consistent with conversion/cancellation upon exercise.
• Net on the books for these entries: 5,183 shares acquired (total value reported ~$492,903) and 2,516 shares sold for $225,187. Acquisitions are generally informational (insider receiving company stock); the sale was an open-market disposition.

Key Details

• Dates and prices:
  • 2026-06-18: exercises/conversions and award at $95.10 per share
  • 2026-06-22: open-market sale at $89.50 per share
• Shares owned after transaction: not specified in the filing.
• Footnotes of note:
  • F1: RSUs represent a contingent right to receive one share.
  • F4/F2: RSU vesting schedules (some vested June 21, 2024; others vest 1/3 on June 15, 2026 and on subsequent anniversaries).
  • F5: Some shares were released upon satisfaction of FY24–FY26 performance share unit awards.
• Filing timeliness: Transactions dated June 18 (sale on June 22) were reported in an SEC filing dated June 23, 2026 — more than two business days after the June 18 transactions, so the filing appears to have been submitted after the typical Form 4 reporting window.

Context

• Derivative explanation: The (M) code indicates exercise/conversion of derivative instruments (e.g., options or similar rights). The filing shows the derivatives converted into shares (acquired) and the related derivative entries marked disposed at $0, which reflects cancellation/conversion upon exercise rather than a market sale of the derivative.
• Sale timing: A portion of the shares acquired was later sold in the open market (June 22). Receiving awards or exercising options is common for executives when vesting or performance conditions are met and does not by itself indicate a change in sentiment.