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 Corp director and CFO James F. Schmidt reported an exercise-and-sale transaction in company common stock. On June 1, 2026, he sold a total of 5,000 shares in a series of open-market trades at weighted average prices ranging from $312.80 to $329.52 per share, under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025. The sales were paired with the exercise of 5,000 non-qualified stock options at an exercise price of $93.33 per share. Following these transactions, the filing shows no remaining common stock holdings and no remaining derivative position from this option grant.
VICOR CORP director and VP Global Sales & Marketing Philip D. Davies exercised stock options and sold shares in a pre-planned set of trades. On June 1, 2026 he exercised 3,072 Non Qualified Stock Options at an exercise price of $30.98 per share, converting them into common stock.
That same day he sold 3,072 shares of common stock in a series of open-market transactions at prices generally in the low- to mid-$300s per share. According to the filing, these sales were executed under a Rule 10b5-1 trading plan adopted on November 21, 2025, indicating the trades were pre-scheduled as part of a trading program rather than discretionary same-day decisions.
VICOR CORP Chairman and CEO Patrizio Vinciarelli reported open‑market sales of 20,000 shares of common stock on May 29, 2026. The sales were executed in 17 separate transactions at weighted average prices reported between $318.6600 and $341.9000, with individual trades occurring within narrow ranges.
The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on February 26, 2026, indicating they were pre‑scheduled. Following these sales, Vinciarelli directly holds 8,808,090 shares of Vicor common stock and indirectly holds 167,125 shares as trustee of an irrevocable trust established for the benefit of his child.
VICOR CORP Chairman and CEO Patrizio Vinciarelli reported open-market sales of 20,000 shares of common stock on May 28, 2026. The sales were executed in 19 separate transactions at weighted average prices within ranges from about $328.10 to $350.43, as detailed in the filing.
The transactions were effected pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on February 26, 2026. Following these sales, Vinciarelli directly holds 8,828,090 shares of VICOR CORP common stock and indirectly holds 167,125 shares as trustee of an irrevocable trust established for the benefit of his child.
Vicor Corp VP of Human Resources Nancy L. Grava exercised stock options and sold the resulting shares. She exercised options for 323 shares of common stock at $75.43 per share and then made an open-market sale of 323 shares at $355.00 per share. After these transactions, the filing shows no remaining common stock or option holdings reported in her name.
Vicor Corp corporate vice president Claudio Tuozzolo reported an exercise-and-sell transaction in company stock. He exercised options to acquire 3,000 shares of common stock at $33.96 per share, then sold 3,000 common shares in an open-market transaction at $328.413 per share on May 26, 2026. Following these transactions, he directly holds 13,240 shares of common stock and 26,913 non-qualified stock options granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan, which vest over a five-year period and expire two years after each vesting date.
Vicor Corp executive Robert Gendron, Corp. VP – Marketing, reported a combined option exercise and share sale on May 26, 2026. He exercised non-qualified stock options to acquire 4,571 shares of common stock at strike prices between $32.97 and $75.43 per share, then sold 4,571 shares in open-market transactions at $330.00 per share. The transactions reflect an exercise-and-sell pattern with a net disposition of common shares on that date.
Vicor Corp director Andrew D'Amico reported an exercise-and-sell transaction in company stock. On 2026-05-26, he exercised options to acquire 504 shares of Common Stock at an exercise price of $50.0000 per share, then sold 504 shares in a series of open-market transactions.
The reported sales totaled 504 shares of Common Stock at weighted average prices ranging from $320.0000 to $324.5000 per share, according to footnotes. Following these transactions, his directly held Common Stock position is reported as 0 shares, while 10,016 Non Qualified Stock Options remain outstanding after the exercise.
Vicor Corp director Andrew D'Amico reported an option exercise and share sale. He exercised 800 Non Qualified Stock Options at an exercise price of $50.0000 per share into 800 shares of Common Stock. The same day, he executed open-market sales totaling 800 Common Stock shares at weighted average prices of $315.3033 and $316.1700 per share, in multiple transactions within narrow price ranges. Following these sales, his reported directly owned Common Stock position was reduced to zero shares.
Vicor Corporation corporate vice president of engineering Alex Gusinov reported an open-market sale of 1,502 shares of Vicor common stock at $300.00 per share on May 13, 2026. After this transaction, he directly holds 5,989 shares of common stock.
VICOR CORP director Andrew D'Amico exercised stock options and sold the resulting shares. On May 13, 2026, he exercised options to acquire 1,200 shares of common stock at $50.0000 per share, then sold all 1,200 shares in three open-market transactions at weighted average prices around $311.58–$315.00. Following these transactions, he reported holding no common stock directly and 11,320 non-qualified stock options.
VICOR CORP Chairman and CEO Patrizio Vinciarelli reported charitable gifts of company stock. On May 13, 2026, he made two bona fide gifts totaling 7,000 shares of common stock, recorded at $0.0000 per share, reflecting transfers without sale proceeds.
Footnotes state that gifts were made to Brigham and Women's Hospital Inc. and Beth Israel Lahey Health. After these gifts, Vinciarelli directly holds 8,848,090 shares of VICOR CORP common stock. He also indirectly holds 167,125 shares as trustee of an irrevocable trust established for the benefit of his child.
Vicor Corp VP and CIO Alvaro Doyle exercised stock options for 4,041 shares of common stock at strike prices of $41.6100 and $50.0000, then sold the same 4,041 shares in open-market transactions at $286.9102 per share. Following these exercise-and-sell transactions, he directly holds 42 shares of Vicor common stock.
VICOR CORP director Andrew D'Amico reported exercising stock options and selling shares on the same day. On May 12, 2026, he exercised a Non Qualified Stock Option for 565 shares of common stock at an exercise price of $75.43 per share, converting the derivative into common stock. He then completed an open-market sale of 565 shares of common stock at a price of $303.03 per share, leaving no shares or options from this grant shown as remaining after the transactions.
VICOR CORP corporate vice president Claudio Tuozzolo reported an exercise-and-sell transaction in company stock. On May 11, 2026, he exercised options to acquire a total of 8,984 shares of Common Stock through two derivative exercises at exercise prices of $50.00 and $33.96 per share, granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan. On the same date, he completed open-market sales totaling 8,984 shares of Common Stock at an average price of about $304.65 per share. Following these transactions, he directly holds 13,240 shares of VICOR CORP Common Stock.
Vicor Corp VP-Corporate Controller Kemble D. Morrison exercised stock options and sold the resulting shares. On Common Stock, he exercised four non-qualified stock option grants for a total of 2,313 shares at exercise prices of $33.9600, $41.6100, $50.0000, and $60.6100 per share. He then executed open-market sales totaling 2,313 shares at reported weighted average prices of $300.3078, $301.7066, $302.5150, and $303.5468 per share, leaving him with 0 shares of Vicor common stock held directly after these transactions.
Vicor Corp director and General Manager of Manufacturing Operations Michael McNamara reported a series of option exercises paired with share sales. He exercised options to acquire 18,618 shares of common stock through multiple transactions and sold 18,618 shares in open-market sales at $309.00 per share. Following these transactions, he holds 18,185 shares of Vicor common stock directly. Footnotes state the options were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan and vest over a five year period.
VICOR CORP corporate VP and CAO Quentin A. Fendelet reported an exercise-and-sell transaction in company stock. On May 11, 2026, he exercised non-qualified stock options covering a total of 5,059 shares of common stock at exercise prices of $33.96 and $41.61 per share.
On the same date, he sold 5,059 shares of VICOR CORP common stock in multiple open-market transactions at weighted average prices ranging from about $290.00 to $301.97 per share, as detailed in the footnotes. Following these sales, his directly owned common stock position reported in this filing was 0 shares.
VICOR CORP corporate vice president Claudio Tuozzolo reported an exercise-and-sell stock transaction. On May 6, 2026, he exercised options to acquire a total of 6,132 shares of common stock through three derivative exercises at strike prices of $60.61, $41.61, and $50.00 per share. On the same day, he completed three open-market sales totaling 6,132 shares of common stock at a sale price of $276.9255 per share. Following these transactions, he directly held 13,240 shares of VICOR CORP common stock.
Vicor Corp’s Corporate VP and Chief Accounting Officer, Quentin A. Fendelet, exercised stock options and sold the resulting shares of Common Stock on May 6, 2026. He exercised options covering a total of 5,060 shares at strike prices of $41.61, $50.00, and $60.61 per share, converting them into common shares.
On the same day, he completed a series of open‑market sales totaling 5,060 shares, at weighted‑average prices ranging from about $270.02 to $280.78 per share, according to the footnotes. After these transactions, the filing shows 0 shares of Common Stock held directly.
VICOR CORP director Jason Carlson reported combined option and share transactions in company stock. The filing shows an open-market sale of 800 shares of Common Stock at $275.09 per share on May 6, 2026, leaving no directly held common shares. On the same date, he exercised Non Qualified Stock Options to acquire 800 shares of Common Stock at an exercise price of $100.00 per share and now holds 200 such options, which expire on June 25, 2031.
Vicor Corp Chairman and CEO Patrizio Vinciarelli received a grant of non-qualified stock options for 1,730 shares of common stock. The options were granted on May 5, 2026 under the company’s Amended and Restated 2000 Stock Option and Incentive Plan at an exercise price of $266.005 per share.
The award vests over a five-year period, and the options expire two years after each vesting date. Following these transactions, Vinciarelli holds 8,855,090 common shares directly and 167,125 shares indirectly through the Patrizio Vinciarelli Irrevocable Trust established for the benefit of his child.
Vicor Corp executive Philip D. Davies, VP Global Sales & Marketing, received a grant of 4,547 non-qualified stock options for Vicor common stock on May 5, 2026. The options have an exercise price of $266.005 per share, vest over a five-year period, and expire two years after each vesting date. Following the filing, he directly holds 1,920 shares of common stock in addition to this new option award.
Vicor Corp vice president of human resources Nancy L. Grava executed an exercise-and-sell stock option transaction. On May 5, 2026, she exercised options to acquire a total of 5,412 shares of Vicor common stock at strike prices of $33.96, $41.61, $50.00, and $60.61 per share.
On the same date, she conducted open-market sales of 5,412 shares of common stock at $265.00 per share in multiple transactions. Following these trades, the filing shows no shares of common stock held directly by Grava.
Vicor Corp VP of Human Resources Nancy L. Grava received a grant of stock options, acquiring 1,049 options for common stock as compensation. The non-qualified stock options have an exercise price of $266.005 per share, were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan, and vest over five years. The options expire two years after each vesting date, and this grant brings her directly held option position reported in this filing to 1,049 options.
VICOR CORP director and General Manager of Manufacturing Operations Michael McNamara reported a new stock option award and his current shareholdings. He received 3,564 non-qualified stock options for common stock at an exercise price of $266.005 per share, granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan. According to the filing, these options vest over a five-year period and each vested portion expires two years from its vesting date. Following the reported transactions, McNamara directly holds 18,185 shares of common stock.
Vicor Corp reported that VP-Corporate Controller Kemble D. Morrison received a grant of 497 non-qualified stock options for Vicor common stock. The options have an exercise price of $266.005 per share, were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan, and vest over a five-year period. Following this compensation-related award, Morrison holds 497 derivative securities linked to common shares, with each option expiring two years after its respective vesting date.
Vicor Corp corporate VP and CAO Quentin A. Fendelet received a grant of 2,514 non-qualified stock options for Vicor common stock. The options have an exercise price of $266.005 per share and were granted under the company's Amended and Restated 2000 Stock Option and Incentive Plan.
The grant vests over a five-year period and each portion of the options expires two years after its respective vesting date. Following this award, Fendelet holds 2,514 options directly, reflecting a compensation-related equity incentive rather than an open-market share purchase or sale.
VICOR CORP reported that CFO, Treasurer and Secretary James F. Schmidt received a grant of 1,129 non qualified stock options for common stock on May 5, 2026. The options have an exercise price of $266.005 per share and were granted at no cost.
The award was granted under the Company’s Amended and Restated 2000 Stock Option and Incentive Plan, will vest over a five year period, and each vested tranche will expire 2 years from its vesting date. After this grant, Schmidt holds 1,129 derivative securities directly.
VICOR CORP corporate vice president Claudio Tuozzolo received a grant of 5,187 non-qualified stock options on common stock at an exercise price of $266.005 per share. The options were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan, vest over five years, and expire two years from each vesting date. Following these transactions, he directly owns 13,240 shares of common stock and holds 5,187 options on the same number of underlying shares.
Vicor Corp corporate vice president of marketing Robert Gendron received a new stock option grant. He was awarded non-qualified options for 1,578 shares of common stock at an exercise price of $266.005 per share.
The options were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan on May 5, 2026. They vest over a five-year period, and each tranche expires two years after its respective vesting date. Following this grant, Gendron holds options for 1,578 underlying shares directly.
Vicor Corp director Andrew D'Amico received a grant of stock options covering 4,100 shares of common stock. The non-qualified options have an exercise price of $266.005 per share, vest over a five-year period, and each tranche expires two years after its respective vesting date. Following this grant, he holds 4,100 derivative securities directly.
VICOR CORP corporate vice president Sean Crilly received a stock option grant as part of his compensation. He was awarded non-qualified options for 373 shares of common stock at an exercise price of $266.005 per share, granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan.
The options vest over a five-year period and each vested portion expires two years after its vesting date. Following this grant, Crilly holds 9,729 shares of common stock directly and 3,734 non-qualified stock options, giving him additional equity-based incentives tied to VICOR’s share price over time.
Vicor Corp corporate vice president Alex Gusinov reported a routine compensation-related equity update. He received a grant of non-qualified stock options covering 2,633 shares of Vicor common stock at an exercise price of $266.0050 per share, granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan. According to the filing, these options were granted on May 5, 2026 and vest over a five-year period, with each portion expiring two years after its vesting date. Following the reported transactions, Gusinov holds 7,491 shares of Vicor common stock directly, which include 495 shares acquired under the Vicor Corporation 2017 Employee Stock Purchase Plan on February 27, 2026.
Doyle Alvaro reported acquisition or exercise transactions in this Form 4 filing.
Vicor Corp VP and CIO Alvaro Doyle received a grant of 1,514 non-qualified stock options for common stock. The options have a grant price of $266.005 per share, were granted under the company’s Amended and Restated 2000 Stock Option and Incentive Plan, and vest over five years. Options expire two years from each vesting date. Following these transactions, Doyle directly holds 42 shares of Vicor common stock.
VICOR CORP director and CFO James F. Schmidt reported option exercises and matching share sales. On May 4, 2026 he exercised options for 4,274 shares of common stock at strike prices of $50.00 and $41.61 per share, then sold 4,274 shares in open-market transactions at prices ranging from about $244.32 to $267.62. The sales were effected under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025. After these transactions he holds 3,246 shares of common stock directly and 6,491 non-qualified stock options.
Vicor director Andrew D'Amico exercised 7,512 Non Qualified Stock Options on May 4, 2026 at strike prices of $33.9600 and $41.6100 per share, receiving 7,512 shares of common stock. On the same date he sold 7,512 shares in multiple open-market transactions at weighted average prices, including $244.2950 and $267.6200 per share, under a Rule 10b5-1 trading plan adopted on September 12, 2024.
VICOR CORP’s VP of Global Sales & Marketing, Philip D. Davies, executed an option exercise and related share sales. On May 1, 2026, he exercised 3,073 Non Qualified Stock Options at an exercise price of $30.98 per share, receiving an equal number of common shares.
That same day, he completed a series of open‑market sales totaling 3,073 common shares at prices ranging from about $264.07 to $274.43, under a pre‑arranged Rule 10b5‑1 trading plan. After these transactions, he held 4,893 common shares directly, indicating this was an exercise‑and‑sell pattern with a remaining equity stake.
VICOR CORP director and CFO James F. Schmidt executed an option-related share sale. On April 27, 2026, he sold 1,241 shares of common stock in an open-market transaction at $277.00 per share, fully disposing of this reported common stock position.
On the same date, he exercised non-qualified stock options to acquire 1,241 shares of common stock at an exercise price of $60.61 per share. The filing’s transaction summary shows a net disposition of 1,241 shares, reflecting an exercise-and-sell pattern.
The sale was carried out under a Rule 10b5-1 trading plan adopted by Schmidt on December 10, 2025, indicating the trades were pre-arranged rather than opportunistic.
VICOR CORP director Andrew D'Amico reported an exercise-and-sale transaction involving 800 shares of Common Stock. He exercised a Non Qualified Stock Option for 800 shares at $60.61 per share and on the same date sold 800 shares in an open-market transaction at $277.00 per share. Following the sale, his directly held Common Stock position reported in this filing was 0 shares. The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on September 12, 2024, indicating the timing was set in advance.
Vicor Corp Chairman and CEO Patrizio Vinciarelli, a more than 10% owner, reported an indirect open-market sale of 4,000 shares of Vicor common stock on April 24, 2026 at an average price of $273.0858 per share.
The shares were sold from an irrevocable trust established for his child, where he serves as trustee. After this transaction, the trust holds 167,125 shares of Vicor common stock indirectly, while a separate entry shows 8,855,090 shares held directly by Vinciarelli as of the same date.
VICOR CORP corporate vice president Claudio Tuozzolo reported an exercise-and-sell transaction in company stock. On April 24, 2026, he exercised a non-qualified stock option for 731 shares of common stock at $68.48 per share.
That same day, he completed open-market sales totaling 11,035 shares of Vicor common stock at prices of about $266.94 and $270.76 per share. The option exercised was part of a grant made on June 26, 2020 that vests over five years.
Vicor Corp VP and CIO Alvaro Doyle reported an exercise-and-sell transaction in company stock. On April 23, 2026, he exercised options to acquire 8,000 shares of common stock, including 2,000 options at $69.04 per share and 6,000 options at $46.96 per share. He then sold 8,000 common shares in open-market transactions at an average price of $259.9033 per share. Following these transactions, Doyle directly held 42 shares of Vicor common stock and retained non-qualified stock options covering 3,000 shares expiring on June 24, 2030 and 4,000 shares expiring on April 3, 2033, which vest over five years.
Vicor Corporation Chairman and CEO Patrizio Vinciarelli reported open-market sales of 40,000 shares of Vicor common stock. The transactions on April 16, 2026 were executed in four blocks at weighted average prices of $196.1090, $197.0001, $198.0829 and $199.0703 per share.
The sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on November 3, 2025. After these sales, Vinciarelli continues to hold 8,855,090 shares directly and 171,125 shares indirectly through the Patrizio Vinciarelli Irrevocable Trust established for the benefit of his child.
Vicor Corp Chairman and CEO Patrizio Vinciarelli reported open‑market sales of 50,000 shares of common stock. The trades on April 15, 2026 were executed in five blocks at weighted average prices between $191.1206 and $195.0000 per share.
After these transactions, he directly holds 8,895,090 shares of Vicor common stock and has an additional 171,125 shares held indirectly as trustee of an irrevocable trust established for his child. The filing notes the sales were made under a pre‑arranged Rule 10b5‑1 trading plan.
Vicor Corp Chairman and CEO Patrizio Vinciarelli exercised stock options to acquire additional common shares. On 2026-04-14, he exercised non qualified stock options for 3,455 shares at an exercise price of $41.61 per share and 1,372 shares at $60.61 per share, converting them into common stock.
Following these exercises, his direct common stock holdings increased to 8,945,090 shares. The filing also shows an additional 171,125 common shares held indirectly through the Patrizio Vinciarelli Irrevocable Trust established for the benefit of his child, where he is Trustee.
VICOR CORP Chairman and CEO Patrizio Vinciarelli reported open‑market sales of company stock. On April 14, 2026, he sold 9,778 shares of common stock at a weighted average price of $189.0000 per share and 10,000 shares at a weighted average price of $190.0005 per share.
After these sales, he directly holds 8,940,263 shares of Vicor common stock and has indirect ownership of 171,125 shares held in an irrevocable trust benefiting his child. The sales were executed under a pre‑arranged Rule 10b5‑1 trading plan adopted on November 3, 2025.
Vicor Corporation Chairman and CEO Patrizio Vinciarelli reported open-market sales of 24,943 shares of Vicor common stock on April 9, 2026. The shares were sold in multiple transactions at weighted average prices ranging from $186.0000 to $189.0000 per share.
According to the filing, these sales were effected under a Rule 10b5-1 trading plan adopted on November 3, 2025. Following the transactions, Vinciarelli holds 8,960,041 Vicor shares directly and 171,125 shares indirectly as trustee of an irrevocable trust established for the benefit of his child.
Vicor Corp director and Corp. VP of Sales Philip D. Davies exercised stock options and sold shares in a planned series of trades. He exercised options for 1,461 shares at $30.98 and 1,611 shares at $31.05 to acquire 3,072 shares of common stock. On the same date, he sold 3,072 shares of common stock in multiple open-market transactions at weighted average prices ranging from about $158.00 to $167.75, under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2025. After these transactions, Davies directly owns 1,920 shares of Vicor common stock.
Vicor Corporation Chairman and CEO Patrizio Vinciarelli sold 50,000 shares of VICR common stock in open-market transactions. The sales took place on March 25, 2026 at prices between $181.05 and $186.00 per share, based on weighted-average prices disclosed for each trade.
These transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 3, 2025. After the sales, Vinciarelli directly holds 8,984,984 shares of common stock and indirectly holds 171,125 shares as trustee of an irrevocable trust established for the benefit of his child.