VICR

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 12

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 300

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $256.0200 to $256.6500.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 11

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 600

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $255.0000 to $255.9900.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 10

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,937

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $253.9500 to $254.9300.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 9

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,805

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $252.9300 to $253.9100.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 8

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,400

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $251.7900 to $252.4800.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 7

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,869

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $250.7300 to $251.6100.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 6

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,812

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $249.7100 to $249.9600.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 5

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,012

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $247.8300 to $247.9800.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 4

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,212

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $246.7600 to $246.7600.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 3

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,312

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $244.2700 to $244.3200.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 2

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,512

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001830195-26-000005 · primary_doc.xml · nonDerivative · entry 1

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,596

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001512868-26-000004 · primary_doc.xml · derivative · entry 10

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,466

Underlying: Common Stock · 3,073 shares

Expires 2029-09-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_date: Options granted on 9/6/2019 and vest over five years.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 9

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,920

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $274.4300 to $274.4300.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 8

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,020

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.2100 to $273.2100.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 7

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,120

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $271.4400 to $271.6200.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 6

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,320

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.1100 to $270.5100.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 5

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,520

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.8100 to $269.7700.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 4

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,693

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.6900 to $268.6800

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 3

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,493

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $266.2200 to $266.9400.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 2

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,893

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $264.0700 to $264.0700.

SEC source: 0001512868-26-000004 · primary_doc.xml · nonDerivative · entry 1

Davies Philip D · CIK 0001512868 · Director · VP Global Sales & Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,993

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001866281-26-000002 · primary_doc.xml · derivative · entry 3

Schmidt James F · CIK 0001866281 · Director · CFO, Treasurer, Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,240

Underlying: Common Stock · 1,241 shares

Expires 2028-04-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001866281-26-000002 · primary_doc.xml · nonDerivative · entry 2

Schmidt James F · CIK 0001866281 · Director · CFO, Treasurer, Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025.

SEC source: 0001866281-26-000002 · primary_doc.xml · nonDerivative · entry 1

Schmidt James F · CIK 0001866281 · Director · CFO, Treasurer, Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,241

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001830195-26-000004 · primary_doc.xml · derivative · entry 3

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 800

Underlying: Common Stock · 800 shares

Expires 2028-04-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001830195-26-000004 · primary_doc.xml · nonDerivative · entry 2

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.

SEC source: 0001830195-26-000004 · primary_doc.xml · nonDerivative · entry 1

D'Amico Andrew · CIK 0001830195 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 800

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000901484-26-000009 · primary_doc.xml · nonDerivative · entry 2

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 167,125

F1 · ownership.nature: These shares are held by the reporting person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the reporting person.

SEC source: 0001403540-26-000004 · primary_doc.xml · derivative · entry 4

Tuozzolo Claudio · CIK 0001403540 · Director · Corp. Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 731 shares

Expires 2030-06-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Options granted on 6/26/2020 and vest over five years.

SEC source: 0001403540-26-000004 · primary_doc.xml · nonDerivative · entry 3

Tuozzolo Claudio · CIK 0001403540 · Director · Corp. Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,240

SEC source: 0001403540-26-000004 · primary_doc.xml · nonDerivative · entry 2

Tuozzolo Claudio · CIK 0001403540 · Director · Corp. Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,544

SEC source: 0001403540-26-000004 · primary_doc.xml · nonDerivative · entry 1

Tuozzolo Claudio · CIK 0001403540 · Director · Corp. Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,275

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001826730-26-000002 · primary_doc.xml · derivative · entry 6

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 2,000 shares

Expires 2030-06-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Options granted on 6/24/2020 and vest over five years.

SEC source: 0001826730-26-000002 · primary_doc.xml · derivative · entry 5

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 6,000 shares

Expires 2033-04-03

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Options granted on 4/3/2023 and vest over five years.

SEC source: 0001826730-26-000002 · primary_doc.xml · nonDerivative · entry 4

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42

SEC source: 0001826730-26-000002 · primary_doc.xml · nonDerivative · entry 3

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,042

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001826730-26-000002 · primary_doc.xml · nonDerivative · entry 2

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42

SEC source: 0001826730-26-000002 · primary_doc.xml · nonDerivative · entry 1

Doyle Alvaro · CIK 0001826730 · VP and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,042

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000901484-26-000008 · primary_doc.xml · nonDerivative · entry 5

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,855,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.0000 to $199.8600.

SEC source: 0000901484-26-000008 · primary_doc.xml · nonDerivative · entry 4

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,868,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.0000 to $198.6000.

SEC source: 0000901484-26-000008 · primary_doc.xml · nonDerivative · entry 3

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,875,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.0000 to $197.1600.

SEC source: 0000901484-26-000008 · primary_doc.xml · nonDerivative · entry 2

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,885,096

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.0000 to $196.8900. The reporting person undertakes to provide to Vicor Corporation, any security holder of Vicor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (6) to this Form 4.

SEC source: 0000901484-26-000007 · primary_doc.xml · nonDerivative · entry 6

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,895,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.0000 to $195.0000.

SEC source: 0000901484-26-000007 · primary_doc.xml · nonDerivative · entry 5

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,905,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.0000 to $194.0000.

SEC source: 0000901484-26-000007 · primary_doc.xml · nonDerivative · entry 4

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,916,290

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.0000 to $193.9300.

SEC source: 0000901484-26-000007 · primary_doc.xml · nonDerivative · entry 3

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,926,590

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.0000 to $192.9100.

SEC source: 0000901484-26-000007 · primary_doc.xml · nonDerivative · entry 2

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,937,877

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.0000 to $191.9800. The reporting person undertakes to provide to Vicor Corporation, any security holder of Vicor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (7) to this Form 4.

SEC source: 0000901484-26-000006 · primary_doc.xml · derivative · entry 5

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,113

Underlying: Common Stock · 1,372 shares

Expires 2026-04-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Options granted on 4/25/2022, vest over five years and expire two years from each vesting date.

SEC source: 0000901484-26-000006 · primary_doc.xml · derivative · entry 4

VINCIARELLI PATRIZIO · CIK 0000901484 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,818

Underlying: Common Stock · 3,455 shares

Expires 2026-05-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Options granted on 5/2/2023, vest over five years and expire two years from each vesting date.