Vicor (VICR) director gifts 90,000 shares to Charitable Remainder Unitrust

Rhea-AI Filing Summary

Vicor Corp director Estia J. Eichten reported a bona fide gift of 90,000 shares of Common Stock. The shares were gifted at no stated price to a Charitable Remainder Unitrust. After this disposition, the director holds 98,838 shares of Vicor common stock directly.

Insider Trade Summary

90,000 shares gifted

Mixed 1 txn

Insider EICHTEN ESTIA J

Role null

Type	Security	Shares	Price	Value
Gift	Common Stock	90,000	$0.00	--

Holdings After Transaction: Common Stock — 98,838 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Gifted shares: 90,000 shares Price per share: $0.0000/share Shares held after transaction: 98,838 shares

3 metrics

Gifted shares 90,000 shares Common Stock gifted as bona fide gift (code G)

Price per share $0.0000/share Reported transaction price for gifted shares

Shares held after transaction 98,838 shares Director’s direct holdings following gift

Key Terms

Bona fide gift, Charitable Remainder Unitrust, Common Stock

3 terms

Bona fide gift financial

"transaction_code_description: "Bona fide gift" for the 90,000-share disposition"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Charitable Remainder Unitrust financial

"The reporting person gifted shares to a Charitible Remainder Unitrust."

Common Stock financial

"security_title: "Common Stock" for the non-derivative transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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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^*

EICHTEN ESTIA J

(Last) (First) (Middle)

25 FRONTAGE ROAD

(Street)

ANDOVER MASSACHUSETTS 01810

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/04/2026		G		90,000	D	(1)	98,838	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

Explanation of Responses:

1. The reporting person gifted shares to a Charitible Remainder Unitrust.

	/s/Kemble D. Morrison Attorney in fact for Estia J. Eichten	06/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Vicor (VICR) director Estia J. Eichten report in this Form 4?

Director Estia J. Eichten reported a bona fide gift of 90,000 shares of Vicor Common Stock. This was a non-cash transfer, categorized as a gift transaction rather than an open-market sale or purchase, and was reported as a disposition.

How many Vicor (VICR) shares did the director gift in this transaction?

The director gifted 90,000 shares of Vicor Common Stock. The transaction was recorded with a price per share of $0.0000, reflecting that it was a gift, not a market trade, and therefore no sale proceeds were reported in this filing.

Where were the gifted Vicor (VICR) shares transferred according to the filing?

The filing states that the reporting person gifted the shares to a Charitable Remainder Unitrust. This is disclosed in a footnote explaining that the 90,000-share disposition was a charitable transfer rather than a commercial or market-based transaction.

How many Vicor (VICR) shares does the director hold after the gift?

Following the reported gift, the director holds 98,838 shares of Vicor Common Stock directly. This post-transaction holding figure comes from the Form 4’s “shares following transaction” field for the non-derivative common stock position.

Was the Vicor (VICR) director’s transaction a market sale or purchase?

The transaction was reported as a bona fide gift with code G, not a market sale or purchase. The price per share is listed as $0.0000, confirming that no cash consideration changed hands in connection with this disposition.