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VICR Form 4: Option exercises and same-day sales on 10/23/2025

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Vicor (VICR) reported insider activity by its VP Human Resources, reflecting option exercises and same-day open market sales on 10/23/2025.

The filing shows four option exercises of common stock: 3,386 shares at an exercise price of $41.61, 1,016 shares at $60.61, 646 shares at $75.43, and 1,984 shares at $33.96. Each exercised lot was then sold the same day at $91.0019 per share. Following each reported sale line, the amount of directly held common stock is shown as 0.

A footnote states that the options expire two years from each vesting date.

Positive

  • None.

Negative

  • None.
Insider Grava Nancy L
Role VP Human Resources
Sold 7,032 shs ($640K)
Type Security Shares Price Value
Exercise Non Qualified Stock Option 3,386 $0.00 --
Exercise Non Qualified Stock Option 1,016 $0.00 --
Exercise Non Qualified Stock Option 646 $0.00 --
Exercise Non Qualified Stock Option 1,984 $0.00 --
Exercise Common Stock 3,386 $41.61 $141K
Sale Common Stock 3,386 $91.0019 $308K
Exercise Common Stock 1,016 $60.61 $62K
Sale Common Stock 1,016 $91.0019 $92K
Exercise Common Stock 646 $75.43 $49K
Sale Common Stock 646 $91.0019 $59K
Exercise Common Stock 1,984 $33.96 $67K
Sale Common Stock 1,984 $91.0019 $181K
Holdings After Transaction: Non Qualified Stock Option — 5,076 shares (Direct); Common Stock — 3,386 shares (Direct)
Footnotes (1)
  1. [object Object]
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Grava Nancy L
(Last) (First) (Middle)
25 FRONTAGE RD.
(Street)
ANDOVER MA 01810
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
VICOR CORP [ VICR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP Human Resources
3. Date of Earliest Transaction (Month/Day/Year)
10/23/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/23/2025 M 3,386 A $41.61 3,386 D
Common Stock 10/23/2025 S 3,386 D $91.0019 0 D
Common Stock 10/23/2025 M 1,016 A $60.61 1,016 D
Common Stock 10/23/2025 S 1,016 D $91.0019 0 D
Common Stock 10/23/2025 M 646 A $75.43 646 D
Common Stock 10/23/2025 S 646 D $91.0019 0 D
Common Stock 10/23/2025 M 1,984 A $33.96 1,984 D
Common Stock 10/23/2025 S 1,984 D $91.0019 0 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non Qualified Stock Option $41.61 10/23/2025 M 3,386 05/02/2025 (1) Common Stock 3,386 $0 5,076 D
Non Qualified Stock Option $60.61 10/23/2025 M 1,016 04/25/2025 (1) Common Stock 1,016 $0 1,015 D
Non Qualified Stock Option $75.43 10/23/2025 M 646 05/12/2025 (1) Common Stock 646 $0 323 D
Non Qualified Stock Option $33.96 10/23/2025 M 1,984 05/03/2025 (1) Common Stock 1,984 $0 7,935 D
Explanation of Responses:
1. Options expire 2 years from each vesting date.
/s/Quentin A. Fendelet Attorney in fact for Nancy Grava 10/27/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did VICR’s Form 4 report for the VP Human Resources?

Option exercises and same-day sales of common stock on 10/23/2025.

What were the exercised share lots and exercise prices for VICR?

Exercises of 3,386 at $41.61, 1,016 at $60.61, 646 at $75.43, and 1,984 at $33.96.

At what price were the VICR shares sold?

Each exercised lot was sold at $91.0019 per share on 10/23/2025.

What is the reporting person’s role at Vicor (VICR)?

The reporting person is an Officer, titled VP Human Resources.

What does the Form 4 show for direct common stock after the sales?

Following each reported sale line, directly held common stock is shown as 0.

What does the footnote say about the stock options?

It states: Options expire 2 years from each vesting date.