Key facts
- This page summarizes Kemble D. Morrison's Form 4 filing for VICOR CORP (VICR).
- 12 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 12 May 2026, 15:14.
Kemble D. Morrison - 11 May 2026 Form 4 Insider Report for VICOR CORP (VICR)
- Reporting relationship
- VP-Corporate Controller
- Issuer ticker
- VICR
- Reported as of
- 11 May 2026
- Net transaction value
- -$697,569
- SEC form
- 4
- Accepted by SEC
- 12 May 2026, 15:14:55 UTC
- Prior SEC filing
- 06 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/Kemble D. Morrison
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Kemble D. Morrison filed Form 4 for VICOR CORP (VICR) on 12 May 2026.
Change
- Previous filing in this sequence was filed on 06 May 2026.
- Current net transaction value: -$697,569.
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 0001411500
Primary reporting owner
Morrison Kemble D
- Relationship
- VP-Corporate Controller
- Address
- 25 FRONTAGE ROAD, ANDOVER
- Signature
- /s/Kemble D. Morrison
- 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
- +372
- Change %
- Price
- $60.61*
- Shares after
- 372
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +523
- Change %
- +141%
- Price
- $50.00*
- Shares after
- 895
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +680
- Change %
- +76%
- Price
- $41.61*
- Shares after
- 1,575
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +738
- Change %
- +47%
- Price
- $33.96*
- Shares after
- 2,313
- Date
- 11 May 2026
- Ownership
- Direct
VICR
transaction
Common Stock
Sale
- Transaction value
- $240,246
- Shares
- -800
- Change %
- -35%
- Price
- $300.31
- Shares after
- 1,513
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F1
VICR
transaction
Common Stock
Sale
- Transaction value
- $301,707
- Shares
- -1,000
- Change %
- -66%
- Price
- $301.71
- Shares after
- 513
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F2
VICR
transaction
Common Stock
Sale
- Transaction value
- $30,252
- Shares
- -100
- Change %
- -19%
- Price
- $302.52
- Shares after
- 413
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F3
VICR
transaction
Common Stock
Sale
- Transaction value
- $125,365
- Shares
- -413
- Change %
- -100%
- Price
- $303.55
- Shares after
- 0
- Date
- 11 May 2026
- Ownership
- Direct
- Footnotes
- F4
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
- -372
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 372
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 372
- Exercise price
- $60.61
VICR
transaction
Derivative
Non Qualified Stock Option
Options Exercise
- Transaction value
- Shares
- -523
- Change %
- -20%
- Price
- $0.000000*
- Shares after
- 2,089
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 523
- Exercise price
- $50.00
VICR
transaction
Derivative
Non Qualified Stock Option
Options Exercise
- Transaction value
- Shares
- -680
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 1,360
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 680
- Exercise price
- $41.61
VICR
transaction
Derivative
Non Qualified Stock Option
Options Exercise
- Transaction value
- Shares
- -738
- Change %
- -25%
- Price
- $0.000000*
- Shares after
- 2,213
- Date
- 11 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 738
- Exercise price
- $33.96
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 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 $300.1300 to $300.4100.
Footnote F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $301.4000 to $302.1500
Footnote F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $302.5150 to $302.5150.
Footnote F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $303.5200 to $304.1100.