DAVIES PHILIP D (VP Global Sales & Marketing) sold 61.5% of their position (3.07K shares) of VICOR CORP on the open market

Open‑market sale worth $501.9K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

DAVIES PHILIP D

Filed: 4/2/2026ACC: 0001512868-26-000003

InsiderDAVIES PHILIP DCIK 1512868

→

IssuerVICOR CORPCIK 751978

Officer· VP Global Sales & Marketing

Since Nov 2018

-3.07K

Net shares

Net seller

$501.9K

Total sold

Open market trades

0B · 8S

Total transactions

3.07K acquired · 6.14K disposed

Non-Derivative Transactions10

Common Stock

Direct

M · Option Exercise

+1.46K

Price / share

$30.98

Trade value

$45.26K

% of position

76.1%

4/1/2026

1.92K→3.38K

Common Stock

Direct

M · Option Exercise

+1.61K

Price / share

$31.05

Trade value

$50.02K

% of position

47.6%

4/1/2026

3.38K→4.99K

Common Stock

Direct

S · Sale

−472.00

Price / share

$158.29

Trade value

$74.71K

% of position

9.5%

4/1/2026

4.99K→4.52K

Common Stock

Direct

S · Sale

−300.00

Price / share

$159.35

Trade value

$47.80K

% of position

6.6%

4/1/2026

4.52K→4.22K

Common Stock

Direct

S · Sale

−100.00

Price / share

$160.34

Trade value

$16.03K

% of position

2.4%

4/1/2026

4.22K→4.12K

Common Stock

Direct

S · Sale

−100.00

Price / share

$162.61

Trade value

$16.26K

% of position

2.4%

4/1/2026

4.12K→4.02K

Common Stock

Direct

S · Sale

−1.07K

Price / share

$164.46

Trade value

$176.46K

% of position

26.7%

4/1/2026

4.02K→2.95K

Common Stock

Direct

S · Sale

−627.00

Price / share

$165.69

Trade value

$103.88K

% of position

21.3%

4/1/2026

2.95K→2.32K

Common Stock

Direct

S · Sale

−300.00

Price / share

$166.49

Trade value

$49.95K

% of position

12.9%

4/1/2026

2.32K→2.02K

Common Stock

Direct

S · Sale

−100.00

Price / share

$167.75

Trade value

$16.77K

% of position

5.0%

4/1/2026

2.02K→1.92K

Total

Net shares

+0.00

Net value

-$406.60K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/1/2026	M · Option Exercise	+1.46K	$30.98	$45.26K	76.1%	1.92K	3.38K
Common Stock Direct	4/1/2026	M · Option Exercise	+1.61K	$31.05	$50.02K	47.6%	3.38K	4.99K
Common Stock Direct	4/1/2026	S · Sale	−472.00	$158.29	$74.71K	9.5%	4.99K	4.52K
Common Stock Direct	4/1/2026	S · Sale	−300.00	$159.35	$47.80K	6.6%	4.52K	4.22K
Common Stock Direct	4/1/2026	S · Sale	−100.00	$160.34	$16.03K	2.4%	4.22K	4.12K
Common Stock Direct	4/1/2026	S · Sale	−100.00	$162.61	$16.26K	2.4%	4.12K	4.02K
Common Stock Direct	4/1/2026	S · Sale	−1.07K	$164.46	$176.46K	26.7%	4.02K	2.95K
Common Stock Direct	4/1/2026	S · Sale	−627.00	$165.69	$103.88K	21.3%	2.95K	2.32K
Common Stock Direct	4/1/2026	S · Sale	−300.00	$166.49	$49.95K	12.9%	2.32K	2.02K
Common Stock Direct	4/1/2026	S · Sale	−100.00	$167.75	$16.77K	5.0%	2.02K	1.92K
Total			+0.00		-$406.60K

Derivative Transactions2

Non Qualified Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

1.46K shares

−1.46K

Strike price

30.98

Held after

8.54K

Exercisable

—

4/1/2026

Non Qualified Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

1.61K shares

−1.61K

Strike price

31.05

Held after

0.00

Exercisable

—

4/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Non Qualified Stock Option Direct	Common Stock1.46K shares	4/1/2026	M · Option Exercise	−1.46K	30.98	—	8.54K
Non Qualified Stock Option Direct	Common Stock1.61K shares	4/1/2026	M · Option Exercise	−1.61K	31.05	—	0.00