Key facts
- This page summarizes Quentin A. Fendelet's Form 4 filing for VICOR CORP (VICR).
- 13 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 12 May 2026, 12:11.
Quentin A. Fendelet - 11 May 2026 Form 4 Insider Report for VICOR CORP (VICR)
- Reporting relationship
- Corp. VP - CAO
- Issuer ticker
- VICR
- Reported as of
- 11 May 2026
- Net transaction value
- -$1,502,677
- SEC form
- 4
- Accepted by SEC
- 12 May 2026, 12:11:12 UTC
- Prior SEC filing
- 08 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kemble D. Morrison Attorney in Fact for Quentin A. Fendelet
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Quentin A. Fendelet filed Form 4 for VICOR CORP (VICR) on 12 May 2026.
Change
- Previous filing in this sequence was filed on 08 May 2026.
- Current net transaction value: -$1,502,677.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001912196
Primary reporting owner
Fendelet Quentin A.
- Relationship
- Corp. VP - CAO
- Address
- 25 FRONTAGE RD., ANDOVER
- Signature
- /s/ Kemble D. Morrison Attorney in Fact for Quentin A. Fendelet
- Signature date
- 12 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
VICR
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +4,963
- Change %
- Price
- $33.96*
- Shares after
- 4,963
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +96
- Change %
- +1.9%
- Price
- $41.61*
- Shares after
- 5,059
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Sale
- Transaction value
- $203,004
- Shares
- -700
- Change %
- -14%
- Price
- $290.01
- Shares after
- 4,359
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F1
VICR
transaction
Common Stock
Sale
- Transaction value
- $76,357
- Shares
- -262
- Change %
- -6%
- Price
- $291.44
- Shares after
- 4,097
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F2
VICR
transaction
Common Stock
Sale
- Transaction value
- $69,654
- Shares
- -238
- Change %
- -5.8%
- Price
- $292.66
- Shares after
- 3,859
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F3
VICR
transaction
Common Stock
Sale
- Transaction value
- $145,936
- Shares
- -497
- Change %
- -13%
- Price
- $293.63
- Shares after
- 3,362
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F4
VICR
transaction
Common Stock
Sale
- Transaction value
- $29,500
- Shares
- -100
- Change %
- -3%
- Price
- $295.00
- Shares after
- 3,262
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F5
VICR
transaction
Common Stock
Sale
- Transaction value
- $158,589
- Shares
- -533
- Change %
- -16%
- Price
- $297.54
- Shares after
- 2,729
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F6
VICR
transaction
Common Stock
Sale
- Transaction value
- $59,889
- Shares
- -200
- Change %
- -7.3%
- Price
- $299.44
- Shares after
- 2,529
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F7
VICR
transaction
Common Stock
Sale
- Transaction value
- $579,244
- Shares
- -1,930
- Change %
- -76%
- Price
- $300.13
- Shares after
- 599
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F8
VICR
transaction
Common Stock
Sale
- Transaction value
- $180,504
- Shares
- -599
- Change %
- -100%
- Price
- $301.34
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F9
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
VICR
transaction
Derivative
Non Qualified Stock Option
Options Exercise
- Transaction value
- Shares
- -4,963
- Change %
- -25%
- Price
- $0.000000*
- Shares after
- 14,889
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,963
- Exercise price
- $33.96
VICR
transaction
Derivative
Non Qualified Stock Option
Options Exercise
- Transaction value
- Shares
- -96
- Change %
- -2.1%
- Price
- $0.000000*
- Shares after
- 4,529
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 96
- Exercise price
- $41.61
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 9 footnotes
Footnote F1
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $290.0000 to $290.0400.
Footnote F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $291.0000 to $291.7900.
Footnote F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.0000 to $292.9900.
Footnote F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.5000 to $293.9700.
Footnote F5
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $295.0000 to $295.0000.
Footnote F6
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $297.3700 to $297.8000.
Footnote F7
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $299.0000 to $299.8900.
Footnote F8
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $300.0000 to $300.4900.
Footnote F9
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $301.0000 to $301.9700.