Michael Mcnamara Sells $1.36M of Vicor Corp (VICR) — SEC Form 4, Mar 18, 2026

Open-Market Net Sale · SEC Form 4

−$1,363,561

Reporting Owner

Michael Mcnamara

Officer

TXN 2026-03-17 · FILED 2026-03-18

Equity Position 23.6K sh 23,644 → 23,644

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Vicor Corp

VICR CIK 0000751978

Reporting Owner

Name	Relationship
Michael Mcnamara CIK 0001545814	Director Officer

Michael Mcnamara at Vicor Corp Full insider history

Bought (12 mo) —

Sold (12 mo) $7,545,434

More from this insider at Vicor Corp

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common Stock	2026-03-17	M - Exercise	1,668 A	$60.61	+$101,097	19,806	Direct
Common Stock	2026-03-17	S - Sale	1,668 D	$190.07	-$317,037	18,138	Direct
Common Stock	2026-03-17	M - Exercise	5,506 A	$41.61	+$229,105	23,644	Direct
Common Stock	2026-03-17	S - Sale	5,506 D	$190.07	-$1,046,525	18,138	Direct

Derivative Securities Transactions

Title	Strike	Date	Type	Shares	Price	Expiration	Underlying	Ownership
Non Qualified Stock Option	$60.61	2026-03-17	M - Exercise	1,668 D	$0.00	2029-04-25	1,668 Common Stock	Direct
Non Qualified Stock Option	$41.61	2026-03-17	M - Exercise	5,506 D	$0.00	2030-05-02	5,506 Common Stock	Direct

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 3 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Vicor Corp

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