MLAB Director Mark C. Capone Receives 2,784 Shares on RSU Vesting

What Happened

Mark Christopher Capone, a director of Mesa Laboratories, reported the exercise/conversion of 2,784 RSU-based derivatives on August 15, 2026. The filing shows an acquisition of 2,784 shares at $0.00 (conversion of RSUs) and a simultaneous disposition of 2,784 derivative shares at $0.00. The transactions are reported under code M (exercise/conversion); there were no cash proceeds shown in this Form 4.

Key Details

• Transaction date: 2026-08-15 (reported on Form 4 filed 2026-08-17)
• Transaction codes: M = exercise/conversion of a derivative
• Shares acquired: 2,784 at $0.00 (conversion of RSUs)
• Shares disposed: 2,784 at $0.00 (derivative)
• Net change reported in this filing: 0 shares
• Footnotes: F1 — each RSU = right to one common share; F2 — RSUs vested on Aug 15, 2026; F3 — Not applicable
• Filing timeliness: Reported within two days of the transaction (timely)

Context

This filing documents RSU vesting and conversion into common stock rather than an open-market purchase or sale. Because the same number of shares were acquired and disposed the same day, the filing shows no net increase in holdings. The Form 4 does not disclose the post-transaction total holdings or the specific reason for the disposition.