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Insider · CIK 0001783056

Lisa Lynn Decker

officerdirector

Files at CMRX (CHIMERIX INC), IGMS (IGM Biosciences, Inc.). First filing Dec 18, 2024, latest Jul 25, 2025.

In brief

Lisa Lynn Decker files SEC Form 4 as officer and director at IGMS (IGM Biosciences, Inc.), and also at CMRX (CHIMERIX INC). Since Dec 18, 2024, Lisa Lynn Decker has reported 0 open-market buys worth $0 and 4 open-market sells worth $20k, the latest filed on Jul 25, 2025.

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

The newest scored trade: sold $5,612 of IGMS on Jul 23, 2025, filed Jul 25, 2025, scored 30 (weak).

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 / 4
$0 bought, $20k sold

Signals

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

ScoreCompanyValueHoldingsPrice contextFiled
30Weak
IGMSsell 3
IGM Biosciences, Inc.
$5,612
4,409 shares
-6%-
30Weak
IGMSsell 4
IGM Biosciences, Inc.
$1,140
951 shares
-1%-
30Weak
IGMSsell 4
IGM Biosciences, Inc.
$5,550
4,512 shares
-6%-
30Weak
IGMSsell 4
IGM Biosciences, Inc.
$7,951
1,063 shares
-1%-

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Mar 14, 2025 IGMS
IGM BIOSCIENCES, INC.
5,079
0.01% of outstanding
$6,552Mar 14, 2025$7,951

Transactions

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

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jul 23, 2025IGMS
IGM Biosciences, Inc.
SOpen-market sale
Common Stock
-4,409$1.27$5,61268,169Jul 25, 2025
Jun 16, 2025IGMS
IGM Biosciences, Inc.
SOpen-market sale
Common Stock
-951$1.20$1,14072,578Jun 20, 2025
Apr 21, 2025CMRX
CHIMERIX INC
DDisposition to issuer
Employee Stock Option (Right to Buy)derivative
-100,000--0Apr 21, 2025
Apr 21, 2025CMRX
CHIMERIX INC
DDisposition to issuer
Employee Stock Option (Right to Buy)derivative
-60,000--0Apr 21, 2025
Mar 14, 2025IGMS
IGM Biosciences, Inc.
SOpen-market sale
Common Stock
-4,512$1.23$5,55073,529Mar 18, 2025
Dec 16, 2024IGMS
IGM Biosciences, Inc.
SOpen-market sale
Common Stock
-1,063$7.48$7,95178,041Dec 18, 2024

Questions about Lisa Lynn Decker

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

Is Lisa Lynn Decker buying or selling?

Not in the last 12 months. Lisa Lynn Decker's latest open-market trade on SEC Form 4 was sold $5,612 of IGMS on Jul 23, 2025.

How did Lisa Lynn Decker's past buys perform?

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

Where does Lisa Lynn Decker file Form 4?

Lisa Lynn Decker has filed Form 4 at IGMS (IGM Biosciences, Inc.) as CHIEF BUSINESS OFFICER; CMRX (CHIMERIX 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.

Lisa Lynn Decker: insider trades and track record | InsiderTell