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Nasdaq · USD

VICR

VICOR CORP

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Tapewire entity
1442
SEC CIK
0000751978
Parsed reports
659

Last 12 months

Inside the activity.

0 purchase rows · 981 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025012
Dec 2025034
Jan 202604
Feb 2026023
Mar 20260221
Apr 2026030
May 20260120
Jun 20260430
Jul 2026057
Aug 2026011
Sep 202604
Oct 2026035

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
March 05, 2026 Filed Mar 6, 2026 18:29 UTC
CRILLY SEANCorp. VP-Eng., Pwr Syst
SaleCommon Stock 300 $180.32 $54,097.29
Disclosure

SEC source: 0001655180-26-000002 · primary_doc.xml · nonDerivative · entry 2

CRILLY SEAN · CIK 0001655180 · Corp. VP-Eng., Pwr Syst

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,729

Read SEC document
March 05, 2026 Filed Mar 6, 2026 18:29 UTC
CRILLY SEANCorp. VP-Eng., Pwr Syst
Exercise / conversionCommon Stock 300 $75.43 $22,629.00
Disclosure

SEC source: 0001655180-26-000002 · primary_doc.xml · nonDerivative · entry 1

CRILLY SEAN · CIK 0001655180 · Corp. VP-Eng., Pwr Syst

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,029

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.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionNon Qualified Stock Option · Derivative 914 $0.00 Strike: $75.43 $0.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · derivative · entry 19

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,827

Underlying: Common Stock · 914 shares

Expires not disclosed

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.

F15 · derivative.expiration_date: Options expire 2 years from each date of vesting.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionNon Qualified Stock Option · Derivative 2,585 $0.00 Strike: $60.61 $0.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · derivative · entry 18

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,752

Underlying: Common Stock · 2,585 shares

Expires not disclosed

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.

F15 · derivative.expiration_date: Options expire 2 years from each date of vesting.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionNon Qualified Stock Option · Derivative 1,920 $0.00 Strike: $41.61 $0.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · derivative · entry 17

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,358

Underlying: Common Stock · 1,920 shares

Expires not disclosed

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.

F15 · derivative.expiration_date: Options expire 2 years from each date of vesting.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 300 $202.18 $60,654.99
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 16

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.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.1100 to $202.2600

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 1,514 $199.49 $302,023.92
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,220

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

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.4200 to $199.7200.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 100 $196.45 $19,645.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,734

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

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.4500 to $196.4500.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 300 $194.98 $58,494.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,834

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.9500 to $195.0000.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 300 $193.12 $57,936.00
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,134

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.9800 to $193.1900

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 300 $189.21 $56,762.01
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,434

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 $189.0600 to $189.4800.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 300 $187.26 $56,177.01
Disclosure

SEC source: 0001512868-26-000002 · primary_doc.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,734

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 $186.9200 to $187.8800.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 100 $185.51 $18,551.00
Disclosure

SEC source: 0001512868-26-000002 · 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: 5,034

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 $185.5100 to $185.5100.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 100 $182.17 $18,217.00
Disclosure

SEC source: 0001512868-26-000002 · 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: 5,134

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 $182.1700 to $182.1700.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 698 $181.49 $126,678.69
Disclosure

SEC source: 0001512868-26-000002 · 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: 5,234

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 $181.1600 to $181.9400.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 607 $180.24 $109,404.04
Disclosure

SEC source: 0001512868-26-000002 · 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: 5,932

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 $180.0500 to $181.0100.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 700 $179.38 $125,566.98
Disclosure

SEC source: 0001512868-26-000002 · 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: 6,539

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 $178.7900 to $179.7700.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
SaleCommon Stock 100 $177.18 $17,718.00
Disclosure

SEC source: 0001512868-26-000002 · 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: 7,239

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 $177.1800 to $177.1800.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionCommon Stock 914 $75.43 $68,943.02
Disclosure

SEC source: 0001512868-26-000002 · 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: 7,339

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.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionCommon Stock 2,585 $60.61 $156,676.85
Disclosure

SEC source: 0001512868-26-000002 · 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: 6,425

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.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 20:08 UTC
Davies Philip DDirector · VP Global Sales & Marketing
Exercise / conversionCommon Stock 1,920 $41.61 $79,891.20
Disclosure

SEC source: 0001512868-26-000002 · 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: 3,840

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.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,100 $203.06 $223,362.04
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 25

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,608,163

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

F26 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.7600 to $203.2400.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,640 $202.15 $331,519.60
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 24

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,609,263

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

F25 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.7200 to $202.7100.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,265 $201.05 $254,328.50
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 23

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,610,903

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

F24 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.7100 to $201.6600.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,795 $200.08 $359,135.88
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 22

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,612,168

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

F23 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.7100 to $200.6900.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 3,888 $199.34 $775,014.87
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 21

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,613,963

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

F22 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $198.7000 to $199.6400.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,212 $197.97 $239,944.61
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 20

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,617,851

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

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $197.6700 to $198.6400.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 800 $196.35 $157,083.04
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 19

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,619,063

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

F20 · 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 $196.4500.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,400 $194.93 $272,901.16
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 18

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,619,863

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

F19 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.2300 to $195.0000.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 400 $193.58 $77,432.00
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 17

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,621,263

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

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.2200 to $193.7000.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,100 $192.81 $212,089.57
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 16

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,621,663

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

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.2100 to $193.1800

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,000 $191.29 $191,288.60
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,622,763

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

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.0900 to $191.3900

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 400 $190.04 $76,015.28
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,623,763

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

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.8000 to $190.6900.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,997 $189.04 $377,518.67
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,624,163

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

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.6900 to $189.5000.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,503 $188.23 $282,906.53
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,626,160

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

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.6700 to $188.6500.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,600 $186.71 $298,739.36
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,627,663

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

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.1700 to $187.1200.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 981 $185.27 $181,753.70
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,629,263

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.5800 to $185.5300.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 353 $183.83 $64,893.23
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,630,244

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.5200 to $184.5100.

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 266 $182.91 $48,654.94
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,630,597

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 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 $182.4900 to $183.3900.

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 4,764 $181.88 $866,467.74
Disclosure

SEC source: 0000901484-26-000003 · primary_doc.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,630,863

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 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 $181.3400 to $182.2000.

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 6,882 $180.70 $1,243,559.51
Disclosure

SEC source: 0000901484-26-000003 · 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: 9,635,627

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 $180.3000 to $181.2700

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 10,120 $179.81 $1,819,701.49
Disclosure

SEC source: 0000901484-26-000003 · 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: 9,642,509

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 $179.3000 to $180.2900.

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 3,850 $178.86 $688,595.99
Disclosure

SEC source: 0000901484-26-000003 · 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: 9,652,629

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 $178.3000 to $179.2900.

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 584 $177.74 $103,798.99
Disclosure

SEC source: 0000901484-26-000003 · 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: 9,656,479

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 $177.2900 to $178.2500

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March 05, 2026 Filed Mar 9, 2026 15:08 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 1,100 $176.88 $194,571.63
Disclosure

SEC source: 0000901484-26-000003 · 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: 9,657,063

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 $176.2600 to $177.2500. 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 (26) to this Form 4.

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March 04, 2026 Filed Mar 5, 2026 16:30 UTC Exercise / conversionNon Qualified Stock Option · Derivative 1,217 $0.00 Strike: $32.89 $0.00
Disclosure

SEC source: 0001941132-26-000002 · primary_doc.xml · derivative · entry 3

Shen Zheng John · CIK 0001941132 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,864

Underlying: Common Stock · 1,217 shares

Expires 2034-06-21

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.

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March 04, 2026 Filed Mar 5, 2026 16:30 UTC SaleCommon Stock 1,217 $205.75 $250,397.75
Disclosure

SEC source: 0001941132-26-000002 · primary_doc.xml · nonDerivative · entry 2

Shen Zheng John · CIK 0001941132 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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March 04, 2026 Filed Mar 5, 2026 16:30 UTC Exercise / conversionCommon Stock 1,217 $32.89 $40,027.13
Disclosure

SEC source: 0001941132-26-000002 · primary_doc.xml · nonDerivative · entry 1

Shen Zheng John · CIK 0001941132 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,217

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.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 15:40 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 300 $208.06 $62,418.00
Disclosure

SEC source: 0000901484-26-000002 · primary_doc.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,658,163

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

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.9500 to $208.1800.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 15:40 UTC
VINCIARELLI PATRIZIODirector · Chairman and CEO · 10% owner
SaleCommon Stock 2,300 $207.12 $476,381.98
Disclosure

SEC source: 0000901484-26-000002 · primary_doc.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,658,463

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

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.6600 to $207.5900.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.