Claudio Tuozzolo - 23 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
Corp. Vice President, Director
Signature
/s/Quentin Fendelet Attorney in fact for Claudio Tuozzolo
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$749,534
Form type
4
Filing time
27 Oct 2025, 14:16:00 UTC
Previous filing
23 Jun 2025
Next filing
28 Oct 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 Fendelet Attorney in fact for Claudio Tuozzolo 27 Oct 2025 0001403540

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Options Exercise $293,346 +8,638 +26% $33.96 42,260 23 Oct 2025 Direct
transaction VICR Common Stock Sale $793,528 -8,638 -20% $91.86 33,622 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $72,853 +1,202 +3.6% $60.61 34,824 23 Oct 2025 Direct
transaction VICR Common Stock Sale $110,421 -1,202 -3.5% $91.86 33,622 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $65,322 +866 +2.6% $75.43 34,488 23 Oct 2025 Direct
transaction VICR Common Stock Sale $79,555 -866 -2.5% $91.86 33,622 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $163,569 +3,931 +12% $41.61 37,553 23 Oct 2025 Direct
transaction VICR Common Stock Sale $361,121 -3,931 -10% $91.86 33,622 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 -8,638 -20% $0.000000 34,551 23 Oct 2025 Common Stock 8,638 $33.96 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -1,202 -25% $0.000000 3,606 23 Oct 2025 Common Stock 1,202 $60.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -866 -33% $0.000000 1,732 23 Oct 2025 Common Stock 866 $75.43 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -3,931 -20% $0.000000 15,721 23 Oct 2025 Common Stock 3,931 $41.61 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.