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Insider · CIK 0000900574

Constantine S Macricostas

director

Files at PLAB (PHOTRONICS INC). First filing Jul 3, 2025, latest Apr 14, 2026.

Constantine S Macricostas files SEC Form 4 as director at PLAB (PHOTRONICS INC). Since Jul 3, 2025, Constantine S Macricostas has reported 0 open-market buys worth $0 and 2 open-market sells worth $2.9M, the latest filed on Apr 14, 2026.

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

The newest scored trade: sold $2.3M of PLAB on Apr 14, 2026, filed Apr 14, 2026, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $2.3M.

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 / 2
$0 bought, $2.9M 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.

PLAB: PHOTRONICS INC

PLABOct 9, 2026 · close 29.62

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
75Notable
PLABsell 7
PHOTRONICS INC
$2.3M
50,000 shares
-100%+174% from low0% from high
69Notable
PLABsell 3
PHOTRONICS INC
$596k
29,500 shares
-100%+21% from low-28% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Apr 14, 2026 PLAB
Photronics, Inc.
50,000
0.08% of outstanding
$2.3MApr 14, 2026none
Jul 3, 2025 PLAB
PHOTRONICS INC
29,500
0.05% of outstanding
$600kJul 2, 2025none
Apr 1, 2025 PLAB
Photronics, Inc.
29,500
0.05% of outstanding
$600kApr 1, 2025none

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Apr 13, 2026PLAB
PHOTRONICS INC
AGrant or award
COMMON STOCK
+3,722$0.00$0414,617Apr 15, 2026
Apr 14, 2026PLAB
PHOTRONICS INC
SOpen-market sale
COMMON STOCKindirect: By Macricostas Family Foundation Inc.
-50,000$45.35$2.3M0Apr 14, 2026
Apr 1, 2026PLAB
PHOTRONICS INC
GGift
COMMON STOCK
-13,000$0.00$0447,895Apr 14, 2026
Apr 2, 2026PLAB
PHOTRONICS INC
GGift
COMMON STOCK
-37,000$0.00$0410,895Apr 14, 2026
Jan 3, 2026PLAB
PHOTRONICS INC
AGrant or award
COMMON STOCK
+1,272$0.00$0460,895Jan 7, 2026
Jul 2, 2025PLAB
PHOTRONICS INC
SOpen-market sale
COMMON STOCKindirect: By Macricostas Family Foundation Inc.
-29,500$20.20$596k0Jul 3, 2025

Questions about Constantine S Macricostas

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

Is Constantine S Macricostas buying or selling?

In the last 12 months Constantine S Macricostas reported 0 open-market buys worth $0 and 1 open-market sell worth $2.3M on SEC Form 4; the latest was sold $2.3M of PLAB on Apr 14, 2026. Grants, option exercises and tax withholding are not counted.

How did Constantine S Macricostas's past buys perform?

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

Where does Constantine S Macricostas file Form 4?

Constantine S Macricostas has filed Form 4 at PLAB (PHOTRONICS INC). 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.