Patrizio Vinciarelli - 24 Dec 2025 Form 4 Insider Report for VICOR CORP (VICR)

Signature
/s/Kemble D. Morrison Attorney in fact for Patrizio Vinciarelli
Issuer symbol
VICR
Transactions as of
24 Dec 2025
Net transactions value
-$3,552,446
Form type
4
Filing time
29 Dec 2025, 13:51:03 UTC
Previous filing
23 Dec 2025
Next filing
30 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
VINCIARELLI PATRIZIO Chairman and CEO, Director, 10%+ Owner C/O VICOR CORPORATION, 25 FRONTAGE ROAD, ANDOVER /s/Kemble D. Morrison Attorney in fact for Patrizio Vinciarelli 29 Dec 2025 0000901484

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction VICR Common Stock Sale $1,000,008 -9,197 -0.09% $108.73 9,759,166 24 Dec 2025 Direct F2
transaction VICR Common Stock Sale $349,963 -3,203 -0.03% $109.26 9,755,963 24 Dec 2025 Direct F2
transaction VICR Common Stock Sale $1,725,174 -15,700 -0.16% $109.88 9,740,263 26 Dec 2025 Direct F2
transaction VICR Common Stock Sale $477,300 -4,300 -0.04% $111.00 9,735,963 26 Dec 2025 Direct F2
holding VICR Common Stock 171,125 24 Dec 2025 See footnote F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares are held by the Reporting Person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the Reporting Person.
F2 This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2024.