Quentin A. Fendelet - 23 Oct 2025 Form 4 Insider Report for VICOR CORP (VICR)

Role
Corp. VP - CAO
Signature
/s/Quentin A. Fendelet
Issuer symbol
VICR
Transactions as of
23 Oct 2025
Net transactions value
-$619,489
Form type
4
Filing time
27 Oct 2025, 14:26:05 UTC
Previous filing
05 May 2025
Next filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fendelet Quentin A. Corp. VP - CAO 25 FRONTAGE RD., ANDOVER /s/Quentin A. Fendelet 27 Oct 2025 0001912196

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Sale $12,907 -153 -100% $84.36 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $168,543 +4,963 $33.96 4,963 23 Oct 2025 Direct
transaction VICR Common Stock Sale $438,442 -4,963 -100% $88.34 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $55,458 +915 $60.61 915 23 Oct 2025 Direct
transaction VICR Common Stock Sale $80,833 -915 -100% $88.34 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $188,493 +4,530 $41.61 4,530 23 Oct 2025 Direct
transaction VICR Common Stock Sale $400,190 -4,530 -100% $88.34 0 23 Oct 2025 Direct
transaction VICR Common Stock Options Exercise $430,440 +6,000 $71.74 6,000 23 Oct 2025 Direct
transaction VICR Common Stock Sale $530,053 -6,000 -100% $88.34 0 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 -4,963 -20% $0.000000 19,852 23 Oct 2025 Common Stock 4,963 $33.96 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -915 -50% $0.000000 914 23 Oct 2025 Common Stock 915 $60.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -4,530 -40% $0.000000 6,794 23 Oct 2025 Common Stock 4,530 $41.61 Direct F1
transaction VICR Non Qualified Stock Option Options Exercise $0 -6,000 -60% $0.000000 4,000 23 Oct 2025 Common Stock 6,000 $71.74 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.