Vicor Corporation

VICRNASDAQTechnology● Active

$271.04

$-35.08(-11.46%)

Market Cap$12.2B

P/E Ratio—

52W High$361.89

52W Low$41.76

Avg Volume906K

Open$292.57

Beta2.36

Overview

Vicor Corporation (VICR) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · VICR · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

185

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Vicor Corporation insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

VICR insider buying and selling by quarter

VICR insider selling · VICR insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

707K354K0

2023 Q2

2023 Q3

2023 Q4

2024 Q2

2025 Q2

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · VICR ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

VICR executive sell shares · VICR board member insider trading · VICR insider trading SEC filing

Showing 82 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Option	738	$33.96	$25K	2,313	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Option	680	$41.61	$28K	1,575	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Sale	800	$300.31	$240K	1,513	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Option	523	$50.00	$26K	895	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Sale	1,000	$301.71	$302K	513	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Sale	100	$302.51	$30K	413	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Option	372	$60.61	$23K	372	Form 4
May 11, 2026	Morrison Kemble D other: VP-Corporate Controller	Sale	413	$303.55	$125K	0	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Option	96	$41.61	$4K	5,059	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Option	4,963	$33.96	$169K	4,963	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	700	$290.01	$203K	4,359	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	262	$291.44	$76K	4,097	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	238	$292.66	$70K	3,859	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	497	$293.63	$146K	3,362	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	100	$295.00	$30K	3,262	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	533	$297.54	$159K	2,729	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	200	$299.44	$60K	2,529	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	1,930	$300.13	$579K	599	Form 4
May 11, 2026	Fendelet Quentin A. Corp. VP - CAO	Sale	599	$301.34	$181K	0	Form 4
Mar 25, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	7,350	$181.57	$1.33M⚡	9,027,634	Form 4
Mar 25, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	8,411	$182.48	$1.53M⚡	9,019,223	Form 4
Mar 25, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	18,960	$183.74	$3.48M⚡	9,000,263	Form 4
Mar 25, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	10,000	$185.00	$1.85M⚡	8,990,263	Form 4
Mar 25, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	5,279	$186.00	$982K	8,984,984	Form 4
Mar 24, 2026	VINCIARELLI PATRIZIO Chairman and CEO · Director	Sale	7,900	$179.00	$1.41M⚡	9,050,263	Form 4

Morrison Kemble D

other: VP-Corporate Controller

Option

Date

May 11

738

Price

$33.96

Value

$25K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Option

Date

May 11

680

Price

$41.61

Value

$28K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Sale

Date

May 11

800

Price

$300.31

Value

$240K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Option

Date

May 11

523

Price

$50.00

Value

$26K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Sale

Date

May 11

1,000

Price

$301.71

Value

$302K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Sale

Date

May 11

100

Price

$302.51

Value

$30K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Option

Date

May 11

372

Price

$60.61

Value

$23K

View Form 4 on SEC.gov

Morrison Kemble D

other: VP-Corporate Controller

Sale

Date

May 11

413

Price

$303.55

Value

$125K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Option

Date

May 11

Price

$41.61

Value

$4K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Option

Date

May 11

4,963

Price

$33.96

Value

$169K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

700

Price

$290.01

Value

$203K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

262

Price

$291.44

Value

$76K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

238

Price

$292.66

Value

$70K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

497

Price

$293.63

Value

$146K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

100

Price

$295.00

Value

$30K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

533

Price

$297.54

Value

$159K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

200

Price

$299.44

Value

$60K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

1,930

Price

$300.13

Value

$579K

View Form 4 on SEC.gov

Fendelet Quentin A.

Corp. VP - CAO

Sale

Date

May 11

599

Price

$301.34

Value

$181K

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 25

7,350

Price

$181.57

Value

$1.33M ⚡

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 25

8,411

Price

$182.48

Value

$1.53M ⚡

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 25

18,960

Price

$183.74

Value

$3.48M ⚡

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 25

10,000

Price

$185.00

Value

$1.85M ⚡

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 25

5,279

Price

$186.00

Value

$982K

View Form 4 on SEC.gov

VINCIARELLI PATRIZIO

Chairman and CEO · Director

Sale

Date

Mar 24

7,900

Price

$179.00

Value

$1.41M ⚡

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About VICR insider trading

VICR insider trades

Vicor Corporation (VICR) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including VINCIARELLI PATRIZIO (Chairman and CEO · Director), Fendelet Quentin A. (Corp. VP - CAO), Morrison Kemble D (other: VP-Corporate Controller). Over the past 12 months, 4 insiders have filed transactions with the SEC. VICR insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Vicor Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

VICR insider trading · 5 questions

The insiders of Vicor Corporation (VICR) include executives and directors such as VINCIARELLI PATRIZIO (Chairman and CEO · Director), Fendelet Quentin A. (Corp. VP - CAO), Morrison Kemble D (other: VP-Corporate Controller), among others. Over the past 12 months, 4 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

VICR board member insider tradingwho are VICR insidersVICR insider rosterVicor Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026