Every Form 4 that Vicor Corp (VICR) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow VICR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full VICR filings page.
Vicor Corporation (VICR) reported an insider transaction on a Form 4. Director Samuel J. Anderson exercised a non‑qualified stock option (transaction code M) on 10/28/2025, acquiring 1,508 shares of common stock at $53.07 per share.
After the transaction, he directly owned 7,372 common shares. The related option carried a $53.07 exercise price, was first exercisable on 06/23/2025, and expires on 06/23/2033; 2,261 derivative securities (options) remained beneficially owned following the transaction.
Vicor Corp (VICR): A director reported option exercises and same‑day sales on 10/28/2025. She exercised 1,508 options at $53.07 and sold 1,508 shares at $89.58; exercised 1,217 at $32.89 and sold 1,217 at $89.58; and exercised 995 at $60.37 and sold 995 at $89.58. The filing shows 0 direct common shares owned after each sale. Table II lists remaining non‑qualified stock options with expirations ranging from 2025 to 2034.
Vicor Corporation (VICR) reported an insider transaction by Corporate Vice President, Engineering, Alex Gusinov. On 10/28/2025, he sold 4,019 shares of common stock at a price of $89.7503 per share.
Following this sale, Gusinov beneficially owns 12,680 shares, held directly. This balance includes 27 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on August 29, 2025.
Vicor Corporation (VICR) reported an insider transaction. Officer Sean Crilly, Corporate VP–Engineering, Power Systems, sold 12,000 shares of common stock on 10/27/2025 at $89.6113 per share. After this sale, he beneficially owned 15,532 shares. This amount includes 204 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on August 29, 2025.
Vicor (VICR) director Andrew D’Amico reported option exercises and same‑day sales on 10/24/2025. He exercised non‑qualified stock options at $69.04 for 577 shares twice and at $41.61 for 917 shares, then sold matching amounts at prices of $94.07, $96.00, and $94.50. The transactions were made under a Rule 10b5‑1 trading plan adopted on September 12, 2024.
Following these transactions, derivative holdings reported include options with an exercise price of $69.04 covering 1,154 shares (expiring 06/24/2030) and options with an exercise price of $41.61 with 8,748 derivative securities beneficially owned following the reported activity. Note states options expire 2 years from each vesting date.
Vicor Corp (VICR) reported insider transactions by its Corp. VP - Marketing, Robert Gendron, on a Form 4. On 10/24/2025, he exercised stock options and sold the resulting shares in three same-day trades: 794 exercised at $41.61 and sold at $90.5004; 1,184 exercised at $33.96 and sold at $90.5004; 817 exercised at $32.97 and sold at $90.5004. On 10/27/2025, he exercised 1,321 options at $69.04 and sold the shares at $92. After these transactions, he directly owned 5,374 shares.
Vicor Corp (VICR) insider activity: Director and Corporate Vice President Claudio Tuozzolo exercised options and sold shares on 10/24/2025. He exercised 1,061 options at $47.15, 3,931 at $41.61, and 516 at $19.35, then sold the same 5,508 shares at an average price of $90.5706. Following these transactions, he held 33,622 shares directly. One option grant remains with 11,790 non-qualified stock options outstanding after the reported exercise.
Vicor Corporation (VICR): Insider transaction reported. Philip D. Davies, a Director and VP Global Sales & Marketing, reported two open-market sales of common stock on 10/24/2025. He sold 786 shares at $94.1552 (Transaction code S), then sold 14,977 shares at $91.9624. Following these transactions, his directly held balance was reported as 0 shares.
Vicor Corp (VICR) reported insider transactions by its CFO, Treasurer, Secretary and Director on 10/23/2025. The reporting person exercised multiple stock options and sold the resulting shares in the open market on the same day.
Exercises occurred at strike prices of $60.37, $60.61, $41.61, $53.07, and $32.89, followed by sales including 664 shares at $90.00 and 1,241 shares at $91.9238. Following these transactions, the insider beneficially owned 875 shares (direct). The filing notes the sales were made under a Rule 10b5-1 trading plan adopted on December 13, 2024.
Vicor Corp (VICR): Insider transaction reported. VP-Corporate Controller Kemble Morrison exercised non-qualified stock options and sold the resulting shares on 10/23/2025. He exercised 1,361 options at $41.61 and 738 options at $33.96, then sold 1,361 and 738 shares at $91.94 per share. Following these sales, common stock beneficially owned was 0 shares, reported as direct ownership.
Derivative holdings remained outstanding after the transactions: 2,040 non-qualified stock options tied to an exercise price of $41.61 and 2,951 non-qualified stock options tied to $33.96. The footnote states: options expire 2 years from each vesting date.
Vicor (VICR) reported insider activity by its VP Human Resources, reflecting option exercises and same-day open market sales on 10/23/2025.
The filing shows four option exercises of common stock: 3,386 shares at an exercise price of $41.61, 1,016 shares at $60.61, 646 shares at $75.43, and 1,984 shares at $33.96. Each exercised lot was then sold the same day at $91.0019 per share. Following each reported sale line, the amount of directly held common stock is shown as 0.
A footnote states that the options expire two years from each vesting date.
Vicor Corp director Estia J. Eichten reported insider transactions. On 10/23/2025, the director sold 5,000 shares at $91.2465 and sold an additional 555 shares at $91.0071. The same day, 4,713 shares were acquired via option exercise at $10.61. Following these transactions, the director directly owned 229,425 shares.
Vicor (VICR) reported insider transactions by its Corp. VP - CAO on 10/23/2025. The officer sold 153 shares of common stock at $84.36. The filing also shows multiple option exercises followed by same‑day sales: options exercised for 4,963 shares at $33.96, 915 shares at $60.61, 4,530 shares at $41.61, and 6,000 shares at $71.74, with each resulting share block sold at $88.3421.
Following these transactions, the officer reported remaining non‑qualified stock options of 19,852 (exercise price $33.96), 6,794 ($41.61), 914 ($60.61), and 4,000 ($71.74). The note states options expire two years from each vesting date.
Vicor Corp (VICR): Corporate Vice President and Director Claudio Tuozzolo reported option exercises and same‑day sales on 10/23/2025.
He exercised 8,638 options at $33.96, 1,202 at $60.61, 866 at $75.43, and 3,931 at $41.61, then sold equivalent share amounts at $91.8648. Following these transactions, he directly owned 33,622 shares.
Vicor Corp (VICR) insider activity: Corporate VP - Marketing Robert Gendron reported transactions on 10/23/2025. He exercised stock options for 960 shares at $75.43 and 1,156 shares at $60.61, then sold 960 shares and 1,156 shares at $88.6811. Following these trades, he directly beneficially owned 5,374 shares. The filing also lists remaining option holdings.
Vicor Corp (VICR) officer Alvaro Doyle (VP and CIO) reported option exercises and same-day sales on 10/23/2025. He exercised 4,933 options at $41.61 and 2,891 options at $33.96, then sold 4,933 and 2,891 shares at an average price of $88.4819.
Following these transactions, direct beneficial ownership in common stock was 42 shares. Derivative holdings reported after the transactions included 7,398 options at a $41.61 exercise price and 11,561 options at a $33.96 exercise price. The filing notes that these options expire two years from each vesting date.
Vicor Corporation (VICR) director Andrew D'Amico reported exercising options and selling the resulting shares. Across 10/22/2025–10/23/2025, he exercised and sold a total of 15,242 shares, with exercises at strike prices ranging from $25.30 to $75.43 and sales at prices from $80 to $90. The transactions were made pursuant to a Rule 10b5-1 trading plan adopted on September 12, 2024.
The derivative table lists multiple non‑qualified stock option exercises tied to underlying common shares, with footnoted terms stating options expire 2 years from each vesting date.
Vicor (VICR) reported insider transactions by its CFO, Treasurer and Secretary, who is also a Director. On 10/22/2025, the reporting person exercised non‑qualified stock options and sold shares pursuant to a Rule 10b5‑1 trading plan adopted on December 13, 2024.
Exercises: 3,246 options at $41.61, 1,241 at $60.61, and 754 at $53.07. Sales: 3,246 shares at $80, 1,241 at $85, and 754 at $85. Following these transactions, the insider directly owned 875 shares of common stock.
Derivative holdings after the reported transactions include options covering 12,983 shares at $41.61, 3,722 shares at $60.61, and 3,015 shares at $53.07. The filing notes options expire two years from each vesting date.
Vicor Corp (VICR) director reported an option exercise and same‑day sale. On 10/21/2025, 1,000 shares were acquired via non‑qualified stock option exercise at $41.61 (Code M), and 1,000 shares were sold at $68 (Code S) pursuant to a Rule 10b5‑1 plan adopted on September 12, 2024. After these transactions, common stock directly held was 0, and 13,582 non‑qualified stock options were beneficially owned.