STOCK TITAN

VICOR CORP (VICR) VP Philip Davies exercises options and sells 3,072 shares

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

Rhea-AI Filing Summary

VICOR CORP director and VP Global Sales & Marketing Philip D. Davies exercised stock options and sold shares in a pre-planned set of trades. On June 1, 2026 he exercised 3,072 Non Qualified Stock Options at an exercise price of $30.98 per share, converting them into common stock.

That same day he sold 3,072 shares of common stock in a series of open-market transactions at prices generally in the low- to mid-$300s per share. According to the filing, these sales were executed under a Rule 10b5-1 trading plan adopted on November 21, 2025, indicating the trades were pre-scheduled as part of a trading program rather than discretionary same-day decisions.

Positive

  • None.

Negative

  • None.
Insider Davies Philip D
Role VP Global Sales & Marketing
Sold 3,072 shs ($988K)
Type Security Shares Price Value
Exercise Non Qualified Stock Option 3,072 $0.00 --
Exercise Common Stock 3,072 $30.98 $95K
Sale Common Stock 300 $314.1133 $94K
Sale Common Stock 283 $314.9376 $89K
Sale Common Stock 200 $316.265 $63K
Sale Common Stock 17 $317.8476 $5K
Sale Common Stock 500 $319.02 $160K
Sale Common Stock 200 $321.925 $64K
Sale Common Stock 400 $323.445 $129K
Sale Common Stock 600 $325.1817 $195K
Sale Common Stock 100 $326.93 $33K
Sale Common Stock 372 $328.4811 $122K
Sale Common Stock 100 $329.52 $33K
Holdings After Transaction: Non Qualified Stock Option — 2,394 shares (Direct, null); Common Stock — 4,992 shares (Direct, null)
Footnotes (1)
  1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.6500 to $314.6400. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.8000 to $315.2100. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.0000 to $316.5300. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.1700 to $318.1300. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.5600 to $319.5200. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.6900 to $322.1600. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.2100 to $323.5500. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.6100 to $325.5300. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.9300 to $326.9300. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $328.1700 to $328.8800. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.5200 to $329.5200. Options granted on 9/6/2019 and vest over five years.
Shares sold 3,072 shares Total common shares sold on June 1, 2026
Shares exercised 3,072 shares Non Qualified Stock Options converted to common stock
Option exercise price $30.98 per share Strike price of options granted September 6, 2019
Sale price range (low) $313.65 per share Lowest weighted-average price range disclosed in footnotes
Sale price range (high) $329.52 per share Highest weighted-average price range disclosed in footnotes
Option expiration September 6, 2029 Expiration date of Non Qualified Stock Options
Transactions under Rule 10b5-1 plan 1 plan referenced Plan adopted November 21, 2025 governing June 1, 2026 sales
Rule 10b5-1 trading plan regulatory
"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Non Qualified Stock Option financial
"security_title":"Non Qualified Stock Option","transaction_date":"2026-06-01"
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.
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.
open-market sale financial
"transaction_action":"open-market sale","transaction_code_description":"Sale in open market"
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.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
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).
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*
Davies Philip D

(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
XOfficer (give title below)Other (specify below)
VP Global Sales & Marketing
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026
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 Stock06/01/2026M3,072A$30.984,992D
Common Stock06/01/2026S(1)300D$314.1133(2)4,692D
Common Stock06/01/2026S(1)283D$314.9376(3)4,409D
Common Stock06/01/2026S(1)200D$316.265(4)4,209D
Common Stock06/01/2026S(1)17D$317.8476(5)4,192D
Common Stock06/01/2026S(1)500D$319.02(6)3,692D
Common Stock06/01/2026S(1)200D$321.925(7)3,492D
Common Stock06/01/2026S(1)400D$323.445(8)3,092D
Common Stock06/01/2026S(1)600D$325.1817(9)2,492D
Common Stock06/01/2026S(1)100D$326.93(10)2,392D
Common Stock06/01/2026S(1)372D$328.4811(11)2,020D
Common Stock06/01/2026S(1)100D$329.52(12)1,920D
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$30.9806/01/2026M3,072 (13)09/06/2029Common Stock3,072$02,394D
Explanation of Responses:
1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.6500 to $314.6400.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.8000 to $315.2100.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.0000 to $316.5300.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.1700 to $318.1300.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.5600 to $319.5200.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $321.6900 to $322.1600.
8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $323.2100 to $323.5500.
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $324.6100 to $325.5300.
10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $326.9300 to $326.9300.
11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $328.1700 to $328.8800.
12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $329.5200 to $329.5200.
13. Options granted on 9/6/2019 and vest over five years.
/s/Quentin A. Fendelet Attorney in fact for Philip D. Davies06/02/2026
** 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 transactions did VICR executive Philip D. Davies report?

Philip D. Davies reported exercising 3,072 Non Qualified Stock Options and selling 3,072 shares of VICOR CORP common stock. All transactions occurred on June 1, 2026 as open-market sales following the option exercise, according to the Form 4 filing.

Were the VICR insider share sales by Philip D. Davies pre-planned?

Yes. The filing states the sales were made under a Rule 10b5-1 trading plan adopted on November 21, 2025. Such plans pre-schedule trades, indicating these sales followed a predetermined program rather than ad hoc market timing decisions.

How many VICR shares did Philip D. Davies sell on June 1, 2026?

He sold a total of 3,072 shares of VICOR CORP common stock. The sales were reported in multiple open-market transactions on June 1, 2026, each with its own weighted average price within specified price ranges in the low- to mid-$300s.

At what prices were Philip D. Davies’s VICR share sales executed?

The reported prices are weighted averages for trades within several ranges. Footnotes show sale prices spanning from $313.65 up to $329.52 per share, with each line item in the Form 4 tied to a specific narrow intraday price range.

What were the terms of the VICR options Philip D. Davies exercised?

Davies exercised 3,072 Non Qualified Stock Options with an exercise price of $30.98 per share. A footnote explains these options were granted on September 6, 2019 and vest over five years, with an expiration date of September 6, 2029.

Does Philip D. Davies still hold VICR stock after these transactions?

The Form 4 indicates he continues to hold VICOR CORP common stock directly after the transactions. The filing provides post-transaction share balances in the transaction table, but does not aggregate them into a single, clearly labeled total position line.