ROBERT GENDRON - 23 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
Corp. VP - Marketing
Signature
/s/Quentin A. Fendelet Attorney in Fact for Robert Gendron
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$45,171
Form type
4
Filing time
27 Oct 2025, 13:43:02 UTC
Previous filing
05 May 2025
Next filing
28 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GENDRON ROBERT Corp. VP - Marketing 25 FRONTAGE RD., ANDOVER /s/Quentin A. Fendelet Attorney in Fact for Robert Gendron 27 Oct 2025 0001654669

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $72,413 +960 +18% $75.43 6,334 23 Oct 2025 Direct
transaction VICR Common Stock Sale $85,134 -960 -15% $88.68 5,374 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $70,065 +1,156 +22% $60.61 6,530 23 Oct 2025 Direct
transaction VICR Common Stock Sale $102,515 -1,156 -18% $88.68 5,374 23 Oct 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction VICR Non Qualified Stock Option Options Exercise $0 -960 -67% $0.000000 480 23 Oct 2025 Common Stock 960 $75.43 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,156 -50% $0.000000 1,154 23 Oct 2025 Common Stock 1,156 $60.61 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Options expire 2 years from each vesting date.