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Insider · CIK 0001545814

Michael McNamara

officerdirector

Files at VICR (VICOR CORP). First filing Dec 12, 2025, latest May 12, 2026.

In brief

Michael McNamara files SEC Form 4 as officer and director at VICR (VICOR CORP). Since Dec 12, 2025, Michael McNamara has reported 0 open-market buys worth $0 and 3 open-market sells worth $7.5M, the latest filed on May 12, 2026.

A track record needs three past buys with six months of prices behind them; Michael McNamara has 0, so none is measured yet.

The newest scored trade: sold $5.8M of VICR on May 11, 2026, filed May 12, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 3 sells worth $7.5M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $7.5M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

VICR: VICOR CORP

VICROct 9, 2026 · close 266.07

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
60Notable
VICRsell 11
VICOR CORP
$5.8M
18,618 shares
-95%+655% from low0% from high
50Moderate
VICRsell 7
VICOR CORP
$1.4M
7,174 shares
-36%+398% from low-6% from high
37Weak
VICRsell 6
VICOR CORP
$429k
4,237 shares
-20%+156% from low0% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
May 11, 2026 VICR
VICOR CORPORATION
18,618
0.06% of outstanding
$5.8MMay 11, 2026$1.4M
Mar 17, 2026 VICR
VICOR CORPORATION
7,174
0.02% of outstanding
$1.4MMar 17, 2026none
Dec 11, 2025 VICR
VICOR CORPORATION
4,237
0.01% of outstanding
$429kDec 11, 2025none

Transactions

Every row this insider has filed, 25 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 22, 2026VICR
VICOR CORP
AGrant or award
Non Qualified Stock Optionderivative
+548$0.00$0548Jun 24, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Common Stock
+1,516$75.43$114k19,701May 12, 2026
May 11, 2026VICR
VICOR CORP
SOpen-market sale
Common Stock
-1,516$309.00$468k18,185May 12, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Common Stock
+7,102$33.96$241k25,287May 12, 2026
May 11, 2026VICR
VICOR CORP
SOpen-market sale
Common Stock
-7,102$309.00$2.2M18,185May 12, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Common Stock
+10,000$69.04$690k28,185May 12, 2026
May 11, 2026VICR
VICOR CORP
SOpen-market sale
Common Stock
-10,000$309.00$3.1M18,185May 12, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-1,516$0.00$0758May 12, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-7,102$0.00$010,651May 12, 2026
May 11, 2026VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-10,000$0.00$00May 12, 2026
May 5, 2026VICR
VICOR CORP
AGrant or award
Non Qualified Stock Optionderivative
+3,564$0.00$03,564May 6, 2026
Mar 17, 2026VICR
VICOR CORP
MOption exercise
Common Stock
+1,668$60.61$101k19,806Mar 18, 2026
Mar 17, 2026VICR
VICOR CORP
SOpen-market sale
Common Stock
-1,668$190.07$317k18,138Mar 18, 2026
Mar 17, 2026VICR
VICOR CORP
MOption exercise
Common Stock
+5,506$41.61$229k23,644Mar 18, 2026
Mar 17, 2026VICR
VICOR CORP
SOpen-market sale
Common Stock
-5,506$190.07$1.0M18,138Mar 18, 2026
Mar 17, 2026VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-1,668$0.00$01,666Mar 18, 2026
Mar 17, 2026VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-5,506$0.00$08,257Mar 18, 2026
Dec 11, 2025VICR
VICOR CORP
MOption exercise
Common Stock
+2,626$69.04$181k20,764Dec 12, 2025
Dec 11, 2025VICR
VICOR CORP
SOpen-market sale
Common Stock
-2,626$101.20$266k18,138Dec 12, 2025
Dec 11, 2025VICR
VICOR CORP
MOption exercise
Common Stock
+1,611$31.05$50k19,749Dec 12, 2025
Dec 11, 2025VICR
VICOR CORP
SOpen-market sale
Common Stock
-1,611$101.28$163k18,138Dec 12, 2025
Dec 11, 2025VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-2,626$0.00$010,000Dec 12, 2025
Dec 11, 2025VICR
VICOR CORP
MOption exercise
Non Qualified Stock Optionderivative
-1,611$0.00$00Dec 12, 2025
Jun 20, 2025VICR
VICOR CORP
AGrant or award
Non Qualified Stock Optionderivative
+4,539$0.00$04,539Jun 23, 2025
May 2, 2025VICR
VICOR CORP
AGrant or award
Common Stockderivative
+16,322$0.00$016,322May 5, 2025

Questions about Michael McNamara

Answered from the filings on this page, as of the latest one.

Is Michael McNamara buying or selling?

In the last 12 months Michael McNamara reported 0 open-market buys worth $0 and 3 open-market sells worth $7.5M on SEC Form 4; the latest was sold $5.8M of VICR on May 11, 2026. Grants, option exercises and tax withholding are not counted.

How did Michael McNamara's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael McNamara has 0.

Where does Michael McNamara file Form 4?

Michael McNamara has filed Form 4 at VICR (VICOR CORP) as Corp. VP-General Mrg. Ops.. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Michael McNamara: insider trades and track record | InsiderTell