VICOR Insider Patrizio Vinciarelli Reports Ownership Change
| Field | Detail |
|---|---|
| Company | Vinciarelli Patrizio |
| Form Type | 4 |
| Filed Date | Mar 24, 2026 |
| Risk Level | low |
| Pages | 3 |
| Reading Time | 3 min |
| Key Dollar Amounts | $175.0000, $176.0000 |
| Sentiment | neutral |
Complexity: simple
Sentiment: neutral
Topics: insider-activity, form-4, ownership-change
TL;DR
**Vicor insider Patrizio Vinciarelli filed a Form 4, signaling a change in his ownership.**
AI Summary
This Form 4 filing indicates that Patrizio Vinciarelli, a reporting insider, had a change in beneficial ownership of securities in Vicor Corp. (VICR) as of March 23, 2026. While the filing itself doesn't detail the specific transaction (buy/sell/grant), it signals an insider activity that investors should monitor. For shareholders, insider transactions can be a strong indicator of management's confidence in the company's future, potentially influencing stock price movements.
Why It Matters
Insider transactions, like those reported by Patrizio Vinciarelli, can signal management's view on the company's prospects, which often impacts investor sentiment and stock valuation.
Risk Assessment
Risk Level: low — This filing is purely informational, reporting a change in insider ownership, and does not inherently pose a direct risk to the company or its investors without further transaction details.
Analyst Insight
Smart investors would look for the specific transaction details within the full Form 4 document to understand if Patrizio Vinciarelli bought or sold shares, and the quantity, to gauge his sentiment towards Vicor Corp.'s future prospects.
Key Players & Entities
- VINCIARELLI PATRIZIO (person) — Reporting insider for Vicor Corp.
- VICOR CORP (company) — The issuer of the securities
- 0000901484 (person) — CIK for Patrizio Vinciarelli
- 0000751978 (company) — CIK for Vicor Corp.
FAQ
Who is Patrizio Vinciarelli in relation to Vicor Corp.?
Patrizio Vinciarelli is identified as the 'Reporting' person in this Form 4 filing, meaning he is an insider who has had a change in beneficial ownership of Vicor Corp. securities.
What is the purpose of a Form 4 filing?
A Form 4 is a 'Statement of changes in beneficial ownership of securities' filed with the SEC, used to report transactions by company insiders (officers, directors, or beneficial owners of more than 10% of a class of the company's equity securities).
When was this Form 4 filing accepted by the SEC?
This Form 4 filing was accepted by the SEC on March 24, 2026, at 14:33:15.
What is the CIK number for Vicor Corp.?
The CIK number for Vicor Corp. (the Issuer) is 0000751978, as stated in the filing.
What is the business address of Vicor Corp.?
The business address for Vicor Corp. is 25 FRONTAGE ROAD, ANDOVER MA 01810, with a phone number of (978) 470-2900, according to the filing.
Filing Stats: 765 words · 3 min read · ~3 pages · Grade level 8 · Accepted 2026-03-24 14:33:15
Key Financial Figures
- $175.0000 — ple transactions at prices ranging from $175.0000 to $175.0000. The reporting person unde
- $176.0000 — ple transactions at prices ranging from $176.0000 to $176.0000. /s/Quentin A. Fendelet A
Filing Documents
- ownership.html (4)
- ownership.xml (4) — 6KB
- 0001193125-26-121510.txt ( ) — 8KB
From the Filing
SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 * VINCIARELLI PATRIZIO (Last) (First) (Middle) C/O VICOR CORPORATION 25 FRONTAGE RD. (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 X 10% Owner X Officer (give title below) Other (specify below) Chairman and CEO 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/23/2026 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 171,125 I See Footnote (1) Common Stock 03/23/2026 S (2) 3,134 D $ 175 (3) 9,060,953 D Common Stock 03/23/2026 S (2) 2,790 D $ 176 (4) 9,058,163 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. These shares are held by the reporting person as Trustee of the Patrizio Vinciarelli Irrevocable Trust U/A Dated 12/21/2012, established for the benefit of the child of the reporting person. 2. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025. 3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $175.0000 to $175.0000. The reporting person undertakes to provide to Vicor Corporation, any security holder of Vicor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (4) to this Form 4. 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.0000 to $176.0000. /s/Quentin A. Fendelet Attorney in fact for Patrizio Vinciarelli 03/24/2026 ** 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)