Tapewire

Nasdaq · USD

VICR

VICOR CORP

Export transactions ↓
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

JSON API
Reset

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
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,312 $313.32 $411,074.66
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,307,390

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.3000 and $313.5600.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 2,648 $312.29 $826,939.15
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,308,702

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.0000 and $312.4600.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 2,679 $311.42 $834,304.90
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,311,350

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $310.9000 and $311.8100.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 6,448 $310.32 $2,000,956.26
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,314,029

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $309.8500 and $310.7000.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 877 $309.10 $271,079.21
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,320,477

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $308.7000 and $309.6800.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 4,961 $308.01 $1,528,043.56
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,321,354

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $307.5500 and $308.1800.

Read SEC document
October 02, 2026 Filed Oct 5, 2026 19:45 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,075 $306.93 $329,945.02
Disclosure

SEC source: 0001193125-26-414060 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,326,315

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $306.5100 and $307.3600. 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 (9) to this Form 4.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionNon Qualified Stock Option · Derivative 2,216 $0.00 Strike: $33.96 $0.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · derivative · entry 15

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,646

Underlying: Common Stock · 2,216 shares

Expires 2027-05-03

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.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionNon Qualified Stock Option · Derivative 856 $0.00 Strike: $41.61 $0.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · derivative · entry 14

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,678

Underlying: Common Stock · 856 shares

Expires 2028-05-02

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.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 400 $322.03 $128,810.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 13

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

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.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.7100 to $322.3200.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 201 $320.18 $64,355.70
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 12

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

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.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $320.0700 to $320.7000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 299 $319.67 $95,579.92
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 11

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,521

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 $319.0700 to $320.0000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 400 $318.30 $127,318.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 10

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,820

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 $318.0200 to $318.9200.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 500 $317.32 $158,662.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 9

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,220

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 $317.0200 to $317.9000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 300 $316.26 $94,877.01
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 8

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,720

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 $315.6600 to $316.6000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 300 $314.84 $94,451.01
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 7

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,020

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 $314.6200 to $315.0700.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 100 $313.20 $31,320.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 6

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,320

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 $313.2000 to $313.2000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 100 $311.83 $31,183.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 5

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,420

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 $311.8300 to $311.8300.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 272 $308.49 $83,908.71
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 4

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,520

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 $308.3000 to $308.6400.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 200 $307.09 $61,417.00
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 3

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,792

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 $306.9900 and $307.1800. 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 (2) through (12) to this Form 4.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionCommon Stock 2,216 $33.96 $75,255.36
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 2

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,992

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
October 01, 2026 Filed Oct 5, 2026 19:55 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionCommon Stock 856 $41.61 $35,618.16
Disclosure

SEC source: 0001193125-26-414076 · ownership.xml · nonDerivative · entry 1

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,776

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
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 900 $330.00 $297,000.00
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 18

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,327,390

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F19 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $330.0000 and $330.0000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 100 $324.98 $32,498.00
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 17

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,328,290

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.9800 and $324.9800.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 600 $323.37 $194,023.02
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 16

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,328,390

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.0100 and $323.8400.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 900 $322.40 $290,157.03
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 15

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,328,990

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.9900 and $322.8900.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,100 $321.57 $353,724.03
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 14

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,329,890

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $320.7700 and $321.7200.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,800 $320.10 $576,174.96
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,330,990

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.6500 and $320.6400.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,700 $319.01 $542,312.07
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,332,790

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.5800 and $319.3000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 2,400 $318.05 $763,325.52
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,334,490

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.5100 and $318.4800.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 2,100 $316.86 $665,403.06
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,336,890

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.4200 and $317.2500.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,300 $315.78 $410,511.01
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,338,990

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.2700 and $316.2000.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 700 $314.71 $220,293.99
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,340,290

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.2300 and $315.1600.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 500 $313.75 $156,877.00
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,340,990

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.2300 and $314.1100.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 400 $311.81 $124,722.00
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,341,490

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $311.6200 and $311.8900.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 300 $311.23 $93,369.63
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,341,890

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $310.6000 and $311.5500.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,600 $308.79 $494,063.04
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,342,190

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $308.5600 and $309.3200.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 2,300 $308.24 $708,940.96
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,343,790

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $307.4900 and $308.4500.

Read SEC document
October 01, 2026 Filed Oct 5, 2026 14:43 UTC
VINCIARELLI PATRIZIODirector · Chairman & CEO · 10% owner
SaleCommon Stock 1,300 $307.02 $399,120.15
Disclosure

SEC source: 0001193125-26-413503 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,346,090

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $306.4900 and $307.4800. 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 (19) to this Form 4.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionNon Qualified Stock Option · Derivative 3,073 $0.00 Strike: $41.61 $0.00
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · derivative · entry 6

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 856

Underlying: Common Stock · 3,073 shares

Expires 2028-05-02

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.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 100 $184.85 $18,485.00
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · nonDerivative · entry 5

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.8500 to $184.8500.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 700 $178.66 $125,062.00
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · nonDerivative · entry 4

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.4300 to $179.0400.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 1,100 $177.63 $195,394.32
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · nonDerivative · entry 3

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,720

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 $177.3000 to $177.8800.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
SaleCommon Stock 1,173 $176.59 $207,142.65
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · nonDerivative · entry 2

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,820

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 $176.0000 and $176.9900. 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 (2) through (5) to this Form 4.

Read SEC document
September 01, 2026 Filed Sep 3, 2026 18:13 UTC
Davies Philip DDirector · Corp. VP-Global Sales & Mktg.
Exercise / conversionCommon Stock 3,073 $41.61 $127,867.53
Disclosure

SEC source: 0001193125-26-381653 · ownership.xml · nonDerivative · entry 1

Davies Philip D · CIK 0001512868 · Director · Corp. VP-Global Sales & Mktg.

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.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 18:40 UTC Exercise / conversionNon Qualified Stock Option · Derivative 1,216 $0.00 Strike: $32.89 $0.00
Disclosure

SEC source: 0001193125-26-363138 · ownership.xml · derivative · entry 10

ANDERSON SAMUEL J · CIK 0001195966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,648

Underlying: Common Stock · 1,216 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.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 18:40 UTC Exercise / conversionNon Qualified Stock Option · Derivative 200 $0.00 Strike: $100.00 $0.00
Disclosure

SEC source: 0001193125-26-363138 · ownership.xml · derivative · entry 9

ANDERSON SAMUEL J · CIK 0001195966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 200 shares

Expires 2031-06-25

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.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 18:40 UTC Exercise / conversionNon Qualified Stock Option · Derivative 908 $0.00 Strike: $44.07 $0.00
Disclosure

SEC source: 0001193125-26-363138 · ownership.xml · derivative · entry 8

ANDERSON SAMUEL J · CIK 0001195966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,631

Underlying: Common Stock · 908 shares

Expires 2035-06-20

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
August 20, 2026 Filed Aug 24, 2026 18:40 UTC Exercise / conversionNon Qualified Stock Option · Derivative 754 $0.00 Strike: $53.07 $0.00
Disclosure

SEC source: 0001193125-26-363138 · ownership.xml · derivative · entry 7

ANDERSON SAMUEL J · CIK 0001195966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,507

Underlying: Common Stock · 754 shares

Expires 2033-06-23

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
August 20, 2026 Filed Aug 24, 2026 18:40 UTC Exercise / conversionNon Qualified Stock Option · Derivative 331 $0.00 Strike: $60.37 $0.00
Disclosure

SEC source: 0001193125-26-363138 · ownership.xml · derivative · entry 6

ANDERSON SAMUEL J · CIK 0001195966 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 331

Underlying: Common Stock · 331 shares

Expires 2032-06-24

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.

Read SEC document

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