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  4. [Form 4] VICOR CORP Insider Trading Activity

VICR insider trades: 6,404 options exercised and shares sold

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

Rhea-AI Filing Summary

Vicor Corp (VICR) reported insider activity by a corporate vice president/director on 11/12/2025. The insider exercised non-qualified stock options for 6,404 shares at strike prices of $31.05, $32.89, $53.07, $60.61, and $75.43, and sold 6,404 shares at $94.5799.

Following the transactions, the insider directly owns 33,622 shares of common stock. The activity reflects same-day option exercises (code M) paired with open market sales (code S) at the stated prices.

Positive

  • None.

Negative

  • None.
Insider Tuozzolo Claudio
Role Corp. Vice President
Sold 6,404 shs ($606K)
Type Security Shares Price Value
Exercise Non Qualified Stock Option 1,508 $0.00 --
Exercise Non Qualified Stock Option 1,202 $0.00 --
Exercise Non Qualified Stock Option 866 $0.00 --
Exercise Non Qualified Stock Option 1,217 $0.00 --
Exercise Non Qualified Stock Option 1,611 $0.00 --
Exercise Common Stock 1,508 $53.07 $80K
Sale Common Stock 1,508 $94.5799 $143K
Exercise Common Stock 1,202 $60.61 $73K
Sale Common Stock 1,202 $94.5799 $114K
Exercise Common Stock 866 $75.43 $65K
Sale Common Stock 866 $94.5799 $82K
Exercise Common Stock 1,217 $32.89 $40K
Sale Common Stock 1,217 $94.5799 $115K
Exercise Common Stock 1,611 $31.05 $50K
Sale Common Stock 1,611 $94.5799 $152K
Holdings After Transaction: Non Qualified Stock Option — 2,261 shares (Direct); Common Stock — 35,130 shares (Direct)
Footnotes (1)
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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*
Tuozzolo Claudio
(Last) (First) (Middle)
25 FRONTAGE ROAD
(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)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Corp. Vice President
3. Date of Earliest Transaction (Month/Day/Year)
11/12/2025
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 11/12/2025 M 1,508 A $53.07 35,130 D
Common Stock 11/12/2025 S 1,508 D $94.5799 33,622 D
Common Stock 11/12/2025 M 1,202 A $60.61 34,824 D
Common Stock 11/12/2025 S 1,202 D $94.5799 33,622 D
Common Stock 11/12/2025 M 866 A $75.43 34,488 D
Common Stock 11/12/2025 S 866 D $94.5799 33,622 D
Common Stock 11/12/2025 M 1,217 A $32.89 34,839 D
Common Stock 11/12/2025 S 1,217 D $94.5799 33,622 D
Common Stock 11/12/2025 M 1,611 A $31.05 35,233 D
Common Stock 11/12/2025 S 1,611 D $94.5799 33,622 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 $53.07 11/12/2025 M 1,508 06/23/2025 06/23/2033 Common Stock 1,508 $0 2,261 D
Non Qualified Stock Option $60.61 11/12/2025 M 1,202 04/25/2025 (1) Common Stock 1,202 $0 2,404 D
Non Qualified Stock Option $75.43 11/12/2025 M 866 05/12/2025 (1) Common Stock 866 $0 866 D
Non Qualified Stock Option $32.89 11/12/2025 M 1,217 06/21/2025 06/21/2034 Common Stock 1,217 $0 4,864 D
Non Qualified Stock Option $31.05 11/12/2025 M 1,611 06/28/2024 06/28/2029 Common Stock 1,611 $0 0 D
Explanation of Responses:
1. Options expire 2 years from each vesting date.
/s/Kemble D. Morrison Attorney in fact for Claudio Tuozzolo 11/13/2025
** 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 VICRs insider report on Form 4?

A corporate vice president/director exercised non-qualified stock options for 6,404 shares and sold 6,404 shares on 11/12/2025.

How many VICR shares were sold and at what price?

The insider sold 6,404 shares at $94.5799 per share.

What option exercise prices were used?

Options were exercised at $31.05, $32.89, $53.07, $60.61, and $75.43.

What is the insiders direct ownership after the transactions?

Direct ownership is 33,622 shares of common stock after the reported transactions.

What transaction codes appear on the filing?

Option exercises are coded M and share sales are coded S.

What type of derivative security was exercised?

The filing lists non-qualified stock options exercisable into common stock.