Alex Gusinov, Corporate VP of Engineering at Vicor Corp, filed a Form 4 on November 4, 2026, disclosing the exercise of three tranches of non-qualified stock options on November 3, 2026, covering a combined 3,075 shares of common stock.

Key Highlights

  • Reporting person: Alex Gusinov, identified as Corporate VP of Engineering at Vicor Corp (NASDAQ:VICR).
  • Transaction type: Three option exercises (transaction code M) on November 3, 2026, each acquiring shares of common stock.
  • Shares acquired: 616 shares at an exercise price of $60.61, 2,015 shares at $41.61, and 444 shares at $75.43, for a combined total of 3,075 shares.
  • Resulting ownership: Following the three transactions, Gusinov directly beneficially owned 9,064 shares of common stock, according to the filing.
  • Remaining derivative holdings: After the exercises, Gusinov held 1,232, 6,043, and 444 non-qualified stock options, respectively, across the three tranches, all expiring in 2027.
  • Price of derivative security: The filing reports a price of $0 for each of the three derivative transactions.
  • Filed by: The form was signed by Quentin A. Fendelet as Attorney in Fact for Alex Gusinov.

Gusinov Option Exercises: Three Tranches Across Two Expiry Dates in 2027

According to the Form 4 filed with the SEC, Alex Gusinov, Vicor Corp's Corporate VP of Engineering, exercised non-qualified stock options on November 3, 2026, in three separate transactions. The first transaction converted 616 options with an exercise price of $60.61 into 616 shares of common stock, leaving 1,232 options of that series remaining. Those options carry an expiration date of April 25, 2027, per the filing.

The second and largest transaction involved the exercise of 2,015 options at an exercise price of $41.61, resulting in 2,015 additional common shares acquired directly. Following that transaction, the filing shows 6,043 options of the same series remaining, with an expiration date of May 2, 2027. The third transaction covered 444 options at an exercise price of $75.43, producing 444 acquired shares, with 444 options remaining in that series, set to expire May 12, 2027.

The filing reports a cumulative direct beneficial ownership of 9,064 shares of Vicor common stock following all three reported transactions. The price of derivative security for each of the three option exercises is listed as $0 in the filing. Quentin A. Fendelet signed the form as Attorney in Fact for Gusinov on November 4, 2026, the same date the filing was submitted.

What Was Disclosed

The filing disclosed three non-qualified stock option exercises by Vicor Corp's Corporate VP of Engineering, Alex Gusinov, on November 3, 2026, covering 3,075 total shares at exercise prices of $60.61, $41.61, and $75.43, with resulting direct ownership of 9,064 shares.