ROBERT GENDRON - 24 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
24 Oct 2025
Net transactions value
-$183,095
Form type
4
Filing time
28 Oct 2025, 13:21:12 UTC
Previous filing
27 Oct 2025
Next filing
06 Nov 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 28 Oct 2025 0001654669

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $33,038 +794 +15% $41.61 6,168 24 Oct 2025 Direct
transaction VICR Common Stock Sale $71,857 -794 -13% $90.50 5,374 24 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $40,209 +1,184 +22% $33.96 6,558 24 Oct 2025 Direct
transaction VICR Common Stock Sale $107,152 -1,184 -18% $90.50 5,374 24 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $26,936 +817 +15% $32.97 6,191 24 Oct 2025 Direct
transaction VICR Common Stock Sale $73,939 -817 -13% $90.50 5,374 24 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $91,202 +1,321 +25% $69.04 6,695 27 Oct 2025 Direct
transaction VICR Common Stock Sale $121,532 -1,321 -20% $92.00 5,374 27 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 -794 -25% $0.000000 2,382 24 Oct 2025 Common Stock 794 $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,184 -20% $0.000000 4,734 24 Oct 2025 Common Stock 1,184 $33.96 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -817 -20% $0.000000 3,265 24 Oct 2025 Common Stock 817 $32.97 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,321 -100% $0.000000 0 27 Oct 2025 Common Stock 1,321 $69.04 Direct
* 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.