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Insider · CIK 0001972425

Mark Andrew Warner

other

Files at SEIC (SEI INVESTMENTS CO). First filing Jul 30, 2025, latest Feb 26, 2026.

Mark Andrew Warner files SEC Form 4 as insider at SEIC (SEI INVESTMENTS CO). Since Jul 30, 2025, Mark Andrew Warner has reported 0 open-market buys worth $0 and 2 open-market sells worth $771k, the latest filed on Feb 26, 2026.

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

The newest scored trade: sold $327k of SEIC on Feb 25, 2026, filed Feb 26, 2026, scored 36 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $327k.

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, $771k 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.

SEIC: SEI INVESTMENTS CO

SEICOct 9, 2026 · close 104.70

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
36Weak
SEICsell 2
SEI INVESTMENTS CO
$327k
4,000 shares
-81%+25% from low-12% from high
38Weak
SEICsell 2
SEI INVESTMENTS CO
$444k
5,000 shares
-79%+35% from low-6% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Feb 25, 2026 SEIC
SEI INVESTMENTS CO
4,000
0.00% of outstanding
$327kFeb 25, 2026none
Jul 29, 2025 SEIC
SEI INVESTMENTS CO
5,000
0.00% of outstanding
$444kJul 29, 2025none
Mar 3, 2025 SEIC
SEI INVESTMENTS CO
5,000
0.00% of outstanding
$402kMar 3, 2025none

Transactions

Every row this insider has filed, 10 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 25, 2026SEIC
SEI INVESTMENTS CO
AGrant or award
Common Stock
+2,000$71.12$142k2,921Feb 26, 2026
Feb 25, 2026SEIC
SEI INVESTMENTS CO
AGrant or award
Common Stock
+2,000$71.12$142k4,921Feb 26, 2026
Feb 25, 2026SEIC
SEI INVESTMENTS CO
SOpen-market sale
Common Stock
-4,000$81.74$327k921Feb 26, 2026
Feb 25, 2026SEIC
SEI INVESTMENTS CO
MOption exercise
STOCK OPTION RIGHT TO PURCHASEderivative
-2,000--0Feb 26, 2026
Feb 25, 2026SEIC
SEI INVESTMENTS CO
MOption exercise
STOCK OPTION RIGHT TO PURCHASEderivative
-2,000--0Feb 26, 2026
Dec 5, 2025SEIC
SEI INVESTMENTS CO
FTax withholding
Common Stock
-379$81.25$31k921Dec 29, 2025
Jul 29, 2025SEIC
SEI INVESTMENTS CO
MOption exercise
Common Stock
+5,000$49.63$248k6,300Jul 30, 2025
Jul 29, 2025SEIC
SEI INVESTMENTS CO
SOpen-market sale
Common Stock
-5,000$88.75$444k1,300Jul 30, 2025
Jul 29, 2025SEIC
SEI INVESTMENTS CO
MOption exercise
STOCK OPTION RIGHT TO PURCHASEderivative
-2,500--0Jul 30, 2025
Jul 29, 2025SEIC
SEI INVESTMENTS CO
MOption exercise
STOCK OPTION RIGHT TO PURCHASEderivative
-2,500--0Jul 30, 2025

Questions about Mark Andrew Warner

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

Is Mark Andrew Warner buying or selling?

In the last 12 months Mark Andrew Warner reported 0 open-market buys worth $0 and 1 open-market sell worth $327k on SEC Form 4; the latest was sold $327k of SEIC on Feb 25, 2026. Grants, option exercises and tax withholding are not counted.

How did Mark Andrew Warner's past buys perform?

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

Where does Mark Andrew Warner file Form 4?

Mark Andrew Warner has filed Form 4 at SEIC (SEI INVESTMENTS CO). 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.

Mark Andrew Warner: insider trades and track record | InsiderTell