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 $988.2K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 11 sales

DAVIES PHILIP D

Filed: 6/2/2026ACC: 0001512868-26-000006

InsiderDAVIES PHILIP DCIK 1512868

→

IssuerVICOR CORPCIK 751978

Officer· VP Global Sales & Marketing

Since Nov 2018

-3.07K

Net shares

Net seller

$988.2K

Total sold

Open market trades

0B · 11S

Total transactions

3.07K acquired · 6.14K disposed

Non-Derivative Transactions12

Common Stock

Direct

M · Option Exercise

+3.07K

Price / share

$30.98

Trade value

$95.17K

% of position

160.0%

6/1/2026

1.92K→4.99K

Common Stock

Direct

S · Sale

−300.00

Price / share

$314.11

Trade value

$94.23K

% of position

6.0%

6/1/2026

4.99K→4.69K

Common Stock

Direct

S · Sale

−283.00

Price / share

$314.94

Trade value

$89.13K

% of position

6.0%

6/1/2026

4.69K→4.41K

Common Stock

Direct

S · Sale

−200.00

Price / share

$316.26

Trade value

$63.25K

% of position

4.5%

6/1/2026

4.41K→4.21K

Common Stock

Direct

S · Sale

−17.00

Price / share

$317.85

Trade value

$5.40K

% of position

0.4%

6/1/2026

4.21K→4.19K

Common Stock

Direct

S · Sale

−500.00

Price / share

$319.02

Trade value

$159.51K

% of position

11.9%

6/1/2026

4.19K→3.69K

Common Stock

Direct

S · Sale

−200.00

Price / share

$321.93

Trade value

$64.39K

% of position

5.4%

6/1/2026

3.69K→3.49K

Common Stock

Direct

S · Sale

−400.00

Price / share

$323.44

Trade value

$129.38K

% of position

11.5%

6/1/2026

3.49K→3.09K

Common Stock

Direct

S · Sale

−600.00

Price / share

$325.18

Trade value

$195.11K

% of position

19.4%

6/1/2026

3.09K→2.49K

Common Stock

Direct

S · Sale

−100.00

Price / share

$326.93

Trade value

$32.69K

% of position

4.0%

6/1/2026

2.49K→2.39K

Common Stock

Direct

S · Sale

−372.00

Price / share

$328.48

Trade value

$122.19K

% of position

15.6%

6/1/2026

2.39K→2.02K

Common Stock

Direct

S · Sale

−100.00

Price / share

$329.52

Trade value

$32.95K

% of position

5.0%

6/1/2026

2.02K→1.92K

Total

Net shares

+0.00

Net value

-$893.07K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/1/2026	M · Option Exercise	+3.07K	$30.98	$95.17K	160.0%	1.92K	4.99K
Common Stock Direct	6/1/2026	S · Sale	−300.00	$314.11	$94.23K	6.0%	4.99K	4.69K
Common Stock Direct	6/1/2026	S · Sale	−283.00	$314.94	$89.13K	6.0%	4.69K	4.41K
Common Stock Direct	6/1/2026	S · Sale	−200.00	$316.26	$63.25K	4.5%	4.41K	4.21K
Common Stock Direct	6/1/2026	S · Sale	−17.00	$317.85	$5.40K	0.4%	4.21K	4.19K
Common Stock Direct	6/1/2026	S · Sale	−500.00	$319.02	$159.51K	11.9%	4.19K	3.69K
Common Stock Direct	6/1/2026	S · Sale	−200.00	$321.93	$64.39K	5.4%	3.69K	3.49K
Common Stock Direct	6/1/2026	S · Sale	−400.00	$323.44	$129.38K	11.5%	3.49K	3.09K
Common Stock Direct	6/1/2026	S · Sale	−600.00	$325.18	$195.11K	19.4%	3.09K	2.49K
Common Stock Direct	6/1/2026	S · Sale	−100.00	$326.93	$32.69K	4.0%	2.49K	2.39K
Common Stock Direct	6/1/2026	S · Sale	−372.00	$328.48	$122.19K	15.6%	2.39K	2.02K
Common Stock Direct	6/1/2026	S · Sale	−100.00	$329.52	$32.95K	5.0%	2.02K	1.92K
Total			+0.00		-$893.07K

Derivative Transactions1

Non Qualified Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

3.07K shares

−3.07K

Strike price

30.98

Held after

2.39K

Exercisable

—

6/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Non Qualified Stock Option Direct	Common Stock3.07K shares	6/1/2026	M · Option Exercise	−3.07K	30.98	—	2.39K