Claudio Tuozzolo - 24 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
Corp. Vice President, Director
Signature
/s/Quentin A. Fendelet Attorney in fact for Claudio Tuozzolo
Issuer symbol
VICR
Transactions as of
24 Oct 2025
Net transactions value
-$275,283
Form type
4
Filing time
28 Oct 2025, 11:49:13 UTC
Previous filing
27 Oct 2025
Next filing
13 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tuozzolo Claudio Corp. Vice President, Director 25 FRONTAGE ROAD, ANDOVER /s/Quentin A. Fendelet Attorney in fact for Claudio Tuozzolo 28 Oct 2025 0001403540

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $50,026 +1,061 +3.2% $47.15 34,683 24 Oct 2025 Direct
transaction VICR Common Stock Sale $96,095 -1,061 -3.1% $90.57 33,622 24 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $163,569 +3,931 +12% $41.61 37,553 24 Oct 2025 Direct
transaction VICR Common Stock Sale $356,033 -3,931 -10% $90.57 33,622 24 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $9,985 +516 +1.5% $19.35 34,138 24 Oct 2025 Direct
transaction VICR Common Stock Sale $46,734 -516 -1.5% $90.57 33,622 24 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 -1,061 -100% $0.000000 0 24 Oct 2025 Common Stock 1,061 $47.15 Direct
transaction VICR Non Qualified Stock Option Options Exercise $0 -3,931 -25% $0.000000 11,790 24 Oct 2025 Common Stock 3,931 $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -516 -100% $0.000000 0 24 Oct 2025 Common Stock 516 $19.35 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.