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Insider · CIK 0001975485

Mary Celeste Fruge

officer

Files at NPKI (NPK International Inc.). First filing Mar 10, 2026, latest Mar 18, 2026.

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, $163k 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.

NPKI: NPK International Inc.

NPKIOct 9, 2026 · close 11.34

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
0Weak
NPKIsell 210b5-1
NPK International Inc.
$14k
1,000 shares
-0%+177% from low-8% from high
6Weak
NPKIsell 310b5-1
NPK International Inc.
$149k
11,193 shares
-4%+174% from low-9% from high

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 16, 2026NPKI
NPK International Inc.
MOption exercise
Common Stock10b5-1
+1,000$4.32$4,320266,213Mar 18, 2026
Mar 16, 2026NPKI
NPK International Inc.
SOpen-market sale
Common Stock10b5-1
-1,000$13.56$14k265,213Mar 18, 2026
Mar 16, 2026NPKI
NPK International Inc.
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-1,000$0.00$00Mar 18, 2026
Mar 6, 2026NPKI
NPK International Inc.
MOption exercise
Common Stock10b5-1
+11,193$4.32$48k276,406Mar 10, 2026
Mar 6, 2026NPKI
NPK International Inc.
SOpen-market sale
Common Stock10b5-1
-11,193$13.34$149k265,213Mar 10, 2026
Mar 6, 2026NPKI
NPK International Inc.
MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-11,193$0.00$01,000Mar 10, 2026
Jun 1, 2025NPKI
NPK International Inc.
MOption exercise
Common Stock
+17,274$0.00$0265,213Jan 21, 2026
Jun 1, 2025NPKI
NPK International Inc.
MOption exercise
Restricted Stock Unitsderivative
-17,274$0.00$017,274Jan 21, 2026
Jun 1, 2025NPKI
NPK International Inc.
FTax withholding
Common Stock
-6,797$8.09$55k258,592Jun 3, 2025
Jun 1, 2025NPKI
NPK International Inc.
FTax withholding
Common Stock
-6,820$8.09$55k251,772Jun 3, 2025
Jun 1, 2025NPKI
NPK International Inc.
FTax withholding
Common Stock
-3,833$8.09$31k247,939Jun 3, 2025
Jun 1, 2025NPKI
NPK International Inc.
MOption exercise
Common Stock
+17,247$0.00$0265,186Jun 3, 2025
Jun 1, 2025NPKI
NPK International Inc.
MOption exercise
Restricted Stock Unitsderivative
-17,247$0.00$017,301Jun 3, 2025
May 14, 2025NPKI
NPK International Inc.
AGrant or award
Common Stock
+39,783$0.00$0265,389May 16, 2025

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.

Mary Celeste Fruge: insider trades and track record | InsiderTell