Kabot Brian 4

What Happened
Brian Kabot, a member of Momentus Inc.'s Board of Directors, acquired a total of 1,163 Momentus (MNTS) Class A shares and received a grant of 6,039 restricted stock units (RSUs). On 2026-05-18 he exercised or converted a derivative to acquire 913 shares at a $0.00 exercise price. On 2026-05-19 he made an open-market purchase of 250 shares at $5.62 each for a total cash outlay of $1,404. Also on 2026-05-18 he was granted 6,039 RSUs (reported as a zero-dollar award).

Key Details

• Filing date: 2026-05-20; Reporting period includes transactions on 2026-05-18 and 2026-05-19.
• Transactions:
  • 2026-05-18: 913 shares acquired via exercise/conversion of a derivative (code M) at $0.00 (total $0).
  • 2026-05-18: 6,039 RSUs granted (code A) at $0.00 (contingent award).
  • 2026-05-19: 250 shares purchased in open market (code P) at $5.62 each (total $1,404).
• Shares owned after transaction: Not specified in the filing.
• Footnotes:
  • F1: Each RSU conveys a contingent right to one share of Momentus Class A common stock.
  • F2: The RSUs vest in full on the earlier of May 18, 2027 or the day of the 2027 Annual Meeting, subject to Kabot’s continued service on the board through the vesting date.
• No indication in the filing that the shares were immediately sold; these were acquisitions and a time‑based RSU grant.
• Filing timeliness: filing date provided; the report does not indicate a late filing status.

Context
This filing shows a small open‑market buy (250 shares, $1,404) and the conversion of a derivative into shares plus a standard board RSU grant. Open‑market purchases are often noted by investors as a modest positive signal, but the cash amount here is small. The RSUs are compensation-like and vest next year subject to continued board service; the derivative conversion at $0 suggests no cash exercise was required per the filing, but the filing does not explain the underlying reason for a zero-dollar conversion.