STOCK TITAN

Vicor (VICR) director D'Amico sells 1,200 shares after option exercise

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

VICOR CORP director Andrew D'Amico exercised stock options and sold the resulting shares. On May 13, 2026, he exercised options to acquire 1,200 shares of common stock at $50.0000 per share, then sold all 1,200 shares in three open-market transactions at weighted average prices around $311.58–$315.00. Following these transactions, he reported holding no common stock directly and 11,320 non-qualified stock options.

Positive

  • None.

Negative

  • None.
Insider D'Amico Andrew
Role null
Sold 1,200 shs ($375K)
Type Security Shares Price Value
Exercise Non Qualified Stock Option 1,200 $0.00 --
Exercise Common Stock 1,200 $50.00 $60K
Sale Common Stock 851 $311.5815 $265K
Sale Common Stock 149 $312.8704 $47K
Sale Common Stock 200 $315.00 $63K
Holdings After Transaction: Non Qualified Stock Option — 11,320 shares (Direct, null); Common Stock — 1,200 shares (Direct, null)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $311.3750 to $312.1800. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.8100 to $312.9000. Options granted on 5/2/2025 and vest over five years. Options expire 2 years from each date of vesting.
Shares sold 1,200 shares Total VICOR CORP common shares sold on May 13, 2026
Sale prices $315.0000, $312.8704, $311.5815 per share Weighted average prices for three open-market sales
Option exercise price $50.0000 per share Exercise price of non qualified stock options converted into common stock
Options exercised 1,200 options Non qualified stock options exercised into common stock
Options remaining 11,320 options Non qualified stock options held after transactions
Common stock holding after 0 shares Direct common stock ownership following final sale
Non Qualified Stock Option financial
"security_title": "Non Qualified Stock Option""
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
vest over five years financial
"Options granted on 5/2/2025 and vest over five years."
SEC Form 4
FORM 4UNITED 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*
D'Amico Andrew

(Last)(First)(Middle)
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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/13/2026M1,200A$501,200D
Common Stock05/13/2026S851D$311.5815(1)349D
Common Stock05/13/2026S149D$312.8704(2)200D
Common Stock05/13/2026S200D$3150D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Non Qualified Stock Option$5005/13/2026M1,200 (3) (4)Common Stock1,200$011,320D
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $311.3750 to $312.1800.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $312.8100 to $312.9000.
3. Options granted on 5/2/2025 and vest over five years.
4. Options expire 2 years from each date of vesting.
/s/Kemble D. Morrison Attorney in fact for Andrew D'Amico05/14/2026
** Signature of Reporting PersonDate
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 insider transaction did VICR director Andrew D'Amico report?

Andrew D'Amico reported exercising options and selling shares. He exercised options for 1,200 shares of VICOR CORP common stock at $50.0000 per share and then sold all 1,200 shares in open-market transactions on May 13, 2026.

How many VICR shares did Andrew D'Amico sell and at what prices?

D'Amico sold a total of 1,200 VICR shares. The sales occurred in three open-market transactions at weighted average prices of about $315.0000, $312.8704, and $311.5815, with detailed price ranges disclosed in the filing footnotes.

What options did Andrew D'Amico exercise in this VICR Form 4 filing?

He exercised non qualified stock options for 1,200 shares. The options had a conversion or exercise price of $50.0000 per share and were originally granted on May 2, 2025, vesting over five years, with expiration two years from each vesting date.

Does Andrew D'Amico still hold VICOR CORP common stock after these transactions?

After the reported transactions, he held no common stock directly. The final sale entry shows 0 shares of common stock owned following the last open-market sale, according to the totals reported for his direct ownership in the filing.

What VICOR CORP derivative holdings does Andrew D'Amico report after the Form 4 transactions?

D'Amico reports remaining non qualified stock options. After exercising 1,200 options, the filing shows a remaining balance of 11,320 non qualified stock options, each exercisable into common stock at an exercise price of $50.0000 per share.

Were Andrew D'Amico’s VICR share sales reported as open-market transactions?

Yes, the sales were reported as open-market transactions. Each sale is coded "S" with the description "Sale in open market or private transaction," indicating they were standard market or private sales of VICOR CORP common stock.