MCNAMARA MICHAEL

PrivateCIK: 1545814
Location

ANDOVER, MA

MCNAMARA MICHAEL (General Manager Mfg. Ops.) sold 50.6% of their position (18.62K shares) of VICOR CORP on the open market

Open‑market sale worth $5.75M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderMCNAMARA MICHAELCIK 1545814
IssuerVICOR CORPCIK 751978
DirectorOfficer· General Manager Mfg. Ops.
Since Jun 2019
-18.62K
Net shares
Net seller
$5.75M
Total sold
3
Open market trades
0B · 3S
9
Total transactions
18.62K acquired · 37.24K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+1.52K

Price / share

$75.43

Trade value

$114.35K

% of position

8.3%
5/11/2026
18.18K19.70K

Common Stock

Direct
S · Sale

Shares

1.52K

Price / share

$309.00

Trade value

$468.44K

% of position

7.7%
5/11/2026
19.70K18.18K

Common Stock

Direct
M · Option Exercise

Shares

+7.10K

Price / share

$33.96

Trade value

$241.18K

% of position

39.1%
5/11/2026
18.18K25.29K

Common Stock

Direct
S · Sale

Shares

7.10K

Price / share

$309.00

Trade value

$2.19M

% of position

28.1%
5/11/2026
25.29K18.18K

Common Stock

Direct
M · Option Exercise

Shares

+10K

Price / share

$69.04

Trade value

$690.40K

% of position

55.0%
5/11/2026
18.18K28.18K

Common Stock

Direct
S · Sale

Shares

10K

Price / share

$309.00

Trade value

$3.09M

% of position

35.5%
5/11/2026
28.18K18.18K
Total

Net shares

+0.00

Net value

-$4.71M

Derivative Transactions3

Non Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

1.52K shares

Shares

1.52K

Strike price

75.43

Held after

758.00

Exercisable

5/11/2026

Non Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

7.10K shares

Shares

7.10K

Strike price

33.96

Held after

10.65K

Exercisable

5/11/2026

Non Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

10K shares

Shares

10K

Strike price

69.04

Held after

0.00

Exercisable

5/11/2026
MCNAMARA MICHAEL — Insider Transaction (Form 4) Filed May 12, 2026 | Finecho