Director Mauro Gregorio filed a Form 4 with the SEC on September 3, 2026, disclosing the vesting of 936 restricted stock units and an acquisition of 936 shares of Graham Corporation common stock on September 2, 2026.

Key Highlights

  • Transaction date: September 2, 2026, with 936 restricted stock units vesting and converting to common stock on a one-for-one basis at a price of $0.
  • Reporting person: Mauro Gregorio, identified as a Director of Graham Corporation (NYSE:GHM).
  • Post-transaction ownership: Gregorio directly holds 2,136 shares of common stock following the reported transaction.
  • Remaining RSUs: 905 restricted stock units remain outstanding, scheduled to vest on June 1, 2027, except as otherwise provided in the award notice.
  • Filing signed: Christina McLeod, Attorney-in-Fact for Mauro Gregorio, signed the filing on September 3, 2026.

Graham Corporation Director Gregorio Discloses RSU Vesting in September 2026 Form 4

According to the filing, Mauro Gregorio, a director of Graham Corporation (NYSE:GHM), reported a transaction coded "M" in Table I, reflecting the vesting of 936 restricted stock units on September 2, 2026. The filing states that these RSUs "convert into common stock on a one-for-one basis" and vested on that date at a price of $0, resulting in the acquisition of 936 shares of common stock held directly.

Following the reported transaction, the filing discloses that Gregorio directly holds 2,136 shares of Graham Corporation common stock. In Table II, the derivative securities section shows the 936 RSUs that vested have been reduced to zero, while a separate grant of 905 RSUs remains, with a vesting date of June 1, 2027, "except as otherwise provided in the award notice," according to the filing. Both RSU grants carry a conversion or exercise price of $0 and underlie shares of common stock on a one-for-one basis.

The filing was submitted by Christina McLeod as Attorney-in-Fact for Mauro Gregorio and is dated September 3, 2026. Graham Corporation's address for the reporting person is listed as 20 Florence Avenue, Batavia, New York 14020.

What Was Disclosed

The Form 4 discloses a single RSU vesting event for director Mauro Gregorio on September 2, 2026, covering 936 shares of Graham Corporation common stock, with 905 RSUs remaining and scheduled to vest June 1, 2027.