Vicor VP sells 3,073 shares after option exercise

Vicor Corp director and corporate VP of Global Sales & Marketing Philip D. Davies exercised stock options and sold shares of common stock.

Rhea-AI Filing Summary

Vicor Corp director and corporate VP of Global Sales & Marketing Philip D. Davies exercised stock options and sold shares of common stock. On July 1, 2026, he exercised options for 3,073 shares at exercise prices of $30.98 and $41.61 per share, then sold 3,073 shares in multiple open-market transactions at prices ranging from about $348.43 to $366.68.

The filing shows this as an exercise-and-sell pattern under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2025. After these transactions, Davies holds 1,920 Vicor common shares directly and 14,679 non-qualified stock options, which continue to vest and expire on the schedules disclosed.

Insights

Equity compensation and insider-trading analyst

Routine option exercise-and-sell under a pre-planned 10b5-1 trading plan.

Philip D. Davies of Vicor Corp exercised non-qualified stock options for 3,073 shares at strike prices of $30.98 and $41.61, then sold 3,073 shares in open-market trades between roughly $348.43 and $366.68. This converts option value into cash.

The activity occurs under a Rule 10b5-1 trading plan adopted on November 21, 2025, indicating the trades were pre-scheduled rather than opportunistic. Following these transactions, he still holds 1,920 common shares and 14,679 stock options, suggesting a remaining equity stake and ongoing exposure to Vicor’s share price.

Insider Trade Summary 10b5-1

Exercise and Sale: 3,073 shares ($995K approx. pre-tax spread)

Exercise and Sale 15 txns

Insider Davies Philip D

Role Corp. VP-Global Sales & Mktg.

Sold 3,073 shs ($1.10M)

Approx. gross sale proceeds $1.10M

Approx. exercise cost $102K

Approx. pre-tax spread $995K

Type	Security	Shares	Price	Value
Exercise	Non Qualified Stock Option	679	$0.00	$0.00
Exercise	Non Qualified Stock Option	2,394	$0.00	$0.00
Exercise	Common Stock	679	$41.61	$28K
Exercise	Common Stock	2,394	$30.98	$74K
Sale	Common Stock	173	$348.8351	$60K
Sale	Common Stock	200	$349.52	$70K
Sale	Common Stock	300	$352.45	$106K
Sale	Common Stock	300	$353.3133	$106K
Sale	Common Stock	400	$354.7575	$142K
Sale	Common Stock	400	$357.62	$143K
Sale	Common Stock	300	$358.6233	$108K
Sale	Common Stock	230	$359.8196	$83K
Sale	Common Stock	470	$361.9549	$170K
Sale	Common Stock	200	$364.515	$73K
Sale	Common Stock	100	$366.68	$37K

Holdings After Transaction: Non Qualified Stock Option — 14,679 contracts (Direct); Common Stock — 1,920 shares (Direct)

Footnotes (15)

1. F1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $348.4300 to $349.3900.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.4900 to $349.5500.
4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.2000 to $352.7300.
5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.2200 to $353.3600.
6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.4800 to $355.3300.
7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $357.2200 to $357.9800.
8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $358.4300 to $358.7400.
9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $359.4500 to $360.3000.
10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $361.5000 to $362.3000.
11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $364.3400 to $364.6900
12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $366.6800 to $366.6800
13. F13. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2023 and vest over a five year period.
14. F14. Options expire two years from each vest date.
15. F15. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on September 6, 2019 and vest over a five year period.

Key Figures

Shares sold: 3,073 shares Shares acquired via exercise: 3,073 shares Post-transaction common shares: 1,920 shares +3 more

6 metrics

Shares sold 3,073 shares Open-market sales on July 1, 2026

Shares acquired via exercise 3,073 shares Option exercises on July 1, 2026

Post-transaction common shares 1,920 shares Direct holdings after trades

Remaining stock options 14,679 options Non-qualified stock options outstanding

Option strike prices $30.98 and $41.61 per share Non-qualified stock option exercises

Sale price range $348.43–$366.68 per share Weighted-average ranges from footnotes

Key Terms

Rule 10b5-1 trading plan, Non Qualified Stock Option, weighted average price, Amended and Restated 2000 Stock Option and Incentive Plan, +1 more

5 terms

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""

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.

Amended and Restated 2000 Stock Option and Incentive Plan financial

"Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan"

Non-derivative financial

"transaction_type": "non-derivative""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Vicor (VICR) executive Philip D. Davies report?

Philip D. Davies reported exercising options for 3,073 Vicor common shares and selling 3,073 shares in open-market transactions on July 1, 2026. These trades involve non-qualified stock options and follow typical equity compensation and liquidity management practices for senior executives.

At what prices did Philip D. Davies sell Vicor (VICR) shares on July 1, 2026?

Davies’ Vicor share sales occurred at weighted average prices between roughly $348.43 and $366.68. Footnotes explain each reported price is an average for multiple trades executed within narrow price ranges during that day’s open-market transactions.

Was Philip D. Davies’ Vicor (VICR) share sale made under a Rule 10b5-1 plan?

Yes. A footnote states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted on November 21, 2025. Such plans pre-schedule trades, reducing the informational value of the exact timing for outside investors monitoring insider activity.

How many Vicor (VICR) shares and options does Philip D. Davies hold after these transactions?

After the reported transactions, Davies holds 1,920 Vicor common shares directly and 14,679 non-qualified stock options. One option grant was fully exercised to zero, while another grant with a $41.61 strike price remains outstanding with 14,679 options.

What option exercise prices did Philip D. Davies use for Vicor (VICR) shares?

Davies exercised non-qualified stock options at strike prices of $30.98 and $41.61 per share. These options were granted under Vicor’s Amended and Restated 2000 Stock Option and Incentive Plan and vest over five-year periods, with specified expiration dates.

What is the net share effect of Philip D. Davies’ July 1, 2026 Vicor (VICR) trades?

The transaction summary shows 3,073 shares sold and 3,073 shares acquired through option exercises, resulting in net-sell activity of 3,073 shares. This reflects an exercise-and-sell pattern where newly acquired shares are largely sold to realize option value in cash.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 11:55 AM Learn about SEC filing dates

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^*

Davies Philip D

(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
X	Officer (give title below)		Other (specify below)
	Corp. VP-Global Sales & Mktg.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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	07/01/2026		M		679	A	$41.61	2,599	D
Common Stock	07/01/2026		M		2,394	A	$30.98	4,993	D
Common Stock	07/01/2026		S(1)		173	D	$348.8351(2)	4,820	D
Common Stock	07/01/2026		S(1)		200	D	$349.52(3)	4,620	D
Common Stock	07/01/2026		S(1)		300	D	$352.45(4)	4,320	D
Common Stock	07/01/2026		S(1)		300	D	$353.3133(5)	4,020	D
Common Stock	07/01/2026		S(1)		400	D	$354.7575(6)	3,620	D
Common Stock	07/01/2026		S(1)		400	D	$357.62(7)	3,220	D
Common Stock	07/01/2026		S(1)		300	D	$358.6233(8)	2,920	D
Common Stock	07/01/2026		S(1)		230	D	$359.8196(9)	2,690	D
Common Stock	07/01/2026		S(1)		470	D	$361.9549(10)	2,220	D
Common Stock	07/01/2026		S(1)		200	D	$364.515(11)	2,020	D
Common Stock	07/01/2026		S(1)		100	D	$366.68(12)	1,920	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	$41.61	07/01/2026		M			679	(13)	(14)	Common Stock	679	$0	14,679	D
Non Qualified Stock Option	$30.98	07/01/2026		M			2,394	(15)	09/06/2029	Common Stock	2,394	$0	0	D

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 $348.4300 to $349.3900.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $349.4900 to $349.5500.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.2000 to $352.7300.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $353.2200 to $353.3600.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $354.4800 to $355.3300.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $357.2200 to $357.9800.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $358.4300 to $358.7400.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $359.4500 to $360.3000.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $361.5000 to $362.3000.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $364.3400 to $364.6900

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $366.6800 to $366.6800

13. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2023 and vest over a five year period.

14. Options expire two years from each vest date.

15. Granted under the Companys Amended and Restated 2000 Stock Option and Incentive Plan on September 6, 2019 and vest over a five year period.

	/s/Quentin A. Fendelet Attorney in Fact for Philip D. Davies	07/06/2026
	** 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)