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Vicor (VICR) insider trades 15,242 shares under 10b5-1 plan

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

Rhea-AI Filing Summary

Vicor Corporation (VICR) director Andrew D'Amico reported exercising options and selling the resulting shares. Across 10/22/2025–10/23/2025, he exercised and sold a total of 15,242 shares, with exercises at strike prices ranging from $25.30 to $75.43 and sales at prices from $80 to $90. The transactions were made pursuant to a Rule 10b5-1 trading plan adopted on September 12, 2024.

The derivative table lists multiple non‑qualified stock option exercises tied to underlying common shares, with footnoted terms stating options expire 2 years from each vesting date.

Positive

  • None.

Negative

  • None.
Insider D'Amico Andrew
Role Director
Sold 15,242 shs ($1.26M)
Type Security Shares Price Value
Exercise Non Qualified Stock Option 565 $0.00 --
Exercise Common Stock 565 $75.43 $43K
Sale Common Stock 565 $90.00 $51K
Exercise Non Qualified Stock Option 4,500 $0.00 --
Exercise Non Qualified Stock Option 3,100 $0.00 --
Exercise Non Qualified Stock Option 565 $0.00 --
Exercise Non Qualified Stock Option 1,600 $0.00 --
Exercise Non Qualified Stock Option 995 $0.00 --
Exercise Non Qualified Stock Option 3,917 $0.00 --
Exercise Common Stock 3,500 $25.30 $89K
Sale Common Stock 3,500 $80.00 $280K
Exercise Common Stock 1,000 $25.30 $25K
Sale Common Stock 1,000 $82.00 $82K
Exercise Common Stock 1,000 $36.60 $37K
Sale Common Stock 1,000 $84.00 $84K
Exercise Common Stock 1,000 $36.60 $37K
Sale Common Stock 1,000 $86.00 $86K
Exercise Common Stock 1,100 $36.60 $40K
Sale Common Stock 1,100 $88.00 $97K
Exercise Common Stock 565 $75.43 $43K
Sale Common Stock 565 $85.00 $48K
Exercise Common Stock 1,600 $60.61 $97K
Sale Common Stock 1,600 $80.00 $128K
Exercise Common Stock 332 $60.37 $20K
Sale Common Stock 332 $84.00 $28K
Exercise Common Stock 332 $60.37 $20K
Sale Common Stock 332 $86.00 $29K
Exercise Common Stock 331 $60.37 $20K
Sale Common Stock 331 $88.00 $29K
Exercise Common Stock 2,917 $41.61 $121K
Sale Common Stock 2,917 $80.00 $233K
Exercise Common Stock 1,000 $41.61 $42K
Sale Common Stock 1,000 $87.50 $88K
Holdings After Transaction: Non Qualified Stock Option — 565 shares (Direct); Common Stock — 565 shares (Direct)
Footnotes (1)
  1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024. Options expire 2 years from each vesting date.
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).
X
 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*
D'Amico Andrew
(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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/22/2025
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 10/22/2025 M 3,500 A $25.3 3,500 D
Common Stock 10/22/2025 S(1) 3,500 D $80 0 D
Common Stock 10/22/2025 M 1,000 A $25.3 1,000 D
Common Stock 10/22/2025 S(1) 1,000 D $82 0 D
Common Stock 10/22/2025 M 1,000 A $36.6 1,000 D
Common Stock 10/22/2025 S(1) 1,000 D $84 0 D
Common Stock 10/22/2025 M 1,000 A $36.6 1,000 D
Common Stock 10/22/2025 S(1) 1,000 D $86 0 D
Common Stock 10/22/2025 M 1,100 A $36.6 1,000 D
Common Stock 10/22/2025 S(1) 1,100 D $88 0 D
Common Stock 10/22/2025 M 565 A $75.43 565 D
Common Stock 10/22/2025 S(1) 565 D $85 0 D
Common Stock 10/22/2025 M 1,600 A $60.61 1,600 D
Common Stock 10/22/2025 S(1) 1,600 D $80 0 D
Common Stock 10/22/2025 M 332 A $60.37 332 D
Common Stock 10/22/2025 S(1) 332 D $84 0 D
Common Stock 10/22/2025 M 332 A $60.37 332 D
Common Stock 10/22/2025 S(1) 332 D $86 0 D
Common Stock 10/22/2025 M 331 A $60.37 331 D
Common Stock 10/22/2025 S(1) 331 D $88 0 D
Common Stock 10/22/2025 M 2,917 A $41.61 2,917 D
Common Stock 10/22/2025 S(1) 2,917 D $80 0 D
Common Stock 10/22/2025 M 1,000 A $41.61 1,000 D
Common Stock 10/22/2025 S(1) 1,000 D $87.5 0 D
Common Stock 10/23/2025 M 565 A $75.43 565 D
Common Stock 10/23/2025 S(1) 565 D $90 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 $25.3 10/22/2025 M 4,500 03/26/2023 03/26/2028 Common Stock 4,500 $0 0 D
Non Qualified Stock Option $36.6 10/22/2025 M 3,100 04/25/2024 04/25/2029 Common Stock 3,100 $0 0 D
Non Qualified Stock Option $75.43 10/22/2025 M 565 05/12/2025 (2) Common Stock 565 $0 1,130 D
Non Qualified Stock Option $60.61 10/22/2025 M 1,600 04/25/2025 (2) Common Stock 1,600 $0 1,600 D
Non Qualified Stock Option $60.37 10/22/2025 M 995 06/24/2025 06/24/2032 Common Stock 995 $0 662 D
Non Qualified Stock Option $41.61 10/22/2025 M 3,917 05/02/2025 (2) Common Stock 3,917 $0 9,665 D
Non Qualified Stock Option $75.43 10/23/2025 M 565 05/12/2025 (2) Common Stock 565 $0 565 D
Explanation of Responses:
1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024.
2. Options expire 2 years from each vesting date.
/s/Kemble D. Morrison Attorney in fact for Andrew D'Amico 10/24/2025
** 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 director Andrew D'Amico report on Form 4?

He exercised options and sold the resulting shares totaling 15,242 shares on 10/22/2025–10/23/2025.

Were the VICR stock sales under a 10b5-1 plan?

Yes. The sales were effected under a Rule 10b5-1 trading plan adopted on September 12, 2024.

What were the sale prices for VICR shares?

Reported sales occurred at prices ranging from $80 to $90.

What were the option exercise prices in the VICR Form 4?

Exercises were at strike prices including $25.30, $36.60, $41.61, $60.37, $60.61, and $75.43.

What type of derivatives did the insider exercise?

Multiple non‑qualified stock options, each tied to underlying VICR common shares.

What is the option expiration term noted?

Footnote states options expire 2 years from each vesting date.

What is Andrew D'Amico’s relationship to VICR?

He is a Director, as indicated in the filing.