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Insider · CIK 0001526849

Darlene J. S. Solomon

director

Files at MASI (MASIMO CORP), NOVT (NOVANTA INC), MTRN (MATERION Corp). First filing Aug 11, 2026, latest Aug 11, 2026.

In brief

Darlene J. S. Solomon files SEC Form 4 as director at MTRN (MATERION Corp), and also at MASI (MASIMO CORP), NOVT (NOVANTA INC). Since Aug 11, 2026, Darlene J. S. Solomon has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.1M, the latest filed on Aug 11, 2026.

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

The newest scored trade: sold $1.1M of MTRN on Aug 7, 2026, filed Aug 11, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $1.1M.

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 / 1
$0 bought, $1.1M 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.

MTRN: MATERION Corp

MTRNOct 12, 2026 · close 270.15

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
MTRNsell 3
MATERION Corp
$1.1M
3,705 shares
-12%+175% from low-2% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Aug 7, 2026 MTRN
MATERION Corp
3,705
0.02% of outstanding
$1.1MAug 7, 2026none

Transactions

Every row this insider has filed, 21 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 7, 2026MTRN
MATERION Corp
SOpen-market sale
Common Stock
-3,705$292.22$1.1M26,718Aug 11, 2026
Jun 10, 2026MASI
MASIMO CORP
DDisposition to issuer
Common Stock
-3,015$180.00$543k0Jun 12, 2026
Jun 10, 2026MASI
MASIMO CORP
DDisposition to issuer
Restricted Stock Unitsderivative
-1,119--0Jun 12, 2026
May 7, 2026MTRN
MATERION Corp
MOption exercise
Common Stock
+2,006--30,423May 11, 2026
May 7, 2026MTRN
MATERION Corp
MOption exercise
Restricted Stock Unitsderivative
-2,006$0.00$00May 11, 2026
May 8, 2026MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+758$0.00$0758May 11, 2026
Mar 6, 2026MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+2$0.00$02,006Mar 10, 2026
Jan 2, 2026NOVT
NOVANTA INC
MOption exercise
Common Stock
+1,325--3,541Jan 6, 2026
Jan 2, 2026NOVT
NOVANTA INC
MOption exercise
Restricted Stock Unitsderivative
-1,325--0Jan 6, 2026
Jan 2, 2026NOVT
NOVANTA INC
AGrant or award
Restricted Stock Unitsderivative
+1,799$0.00$01,799Jan 6, 2026
Dec 5, 2025MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+2$0.00$02,004Dec 9, 2025
Sep 5, 2025MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+2$0.00$02,002Sep 9, 2025
Jun 13, 2025MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+4$0.00$02,000Jun 17, 2025
May 7, 2025MTRN
MATERION Corp
MOption exercise
Common Stock
+1,155--28,417May 9, 2025
May 7, 2025MTRN
MATERION Corp
MOption exercise
Restricted Stock Unitsderivative
-1,155$0.00$00May 9, 2025
May 8, 2025MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+1,996$0.00$01,996May 9, 2025
Apr 29, 2025MASI
MASIMO CORP
MOption exercise
Common Stock
+1,790$0.00$01,790May 2, 2025
Apr 29, 2025MASI
MASIMO CORP
MOption exercise
Restricted Stock Unitsderivative
-1,790$0.00$00May 2, 2025
Apr 29, 2025MASI
MASIMO CORP
AGrant or award
Restricted Stock Unitsderivative
+1,225$0.00$01,225May 2, 2025
Dec 6, 2024MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+1$0.00$01,153Dec 10, 2024
Dec 8, 2023MTRN
MATERION Corp
AGrant or award
Restricted Stock Unitsderivative
+1$0.00$01,151Dec 12, 2023

Questions about Darlene J. S. Solomon

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

Is Darlene J. S. Solomon buying or selling?

In the last 12 months Darlene J. S. Solomon reported 0 open-market buys worth $0 and 1 open-market sell worth $1.1M on SEC Form 4; the latest was sold $1.1M of MTRN on Aug 7, 2026. Grants, option exercises and tax withholding are not counted.

How did Darlene J. S. Solomon's past buys perform?

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

Where does Darlene J. S. Solomon file Form 4?

Darlene J. S. Solomon has filed Form 4 at MTRN (MATERION Corp); MASI (MASIMO CORP); NOVT (NOVANTA 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.

Darlene J. S. Solomon: insider trades and track record | InsiderTell