Decker Lisa Lynn

CHIEF BUSINESS OFFICER at IGM Biosciences, Inc. · on record since Apr 26, 2021
Director at CHIMERIX INC · on record since Jan 2, 2024
Chief Business Officer at Atreca, Inc. · on record since Jul 19, 2019

Insider trading activity of Decker Lisa Lynn

Transactions on record: 39; since Feb 28, 2020

Open-market buys: 0

Open-market sells: 18; $237.7K

Companies traded: 3; last filing Jul 25, 2025

Figures computed from official regulatory filings — .

Companies where Decker Lisa Lynn has traded

IGM Biosciences, Inc.33 tx · $272.7K · Jul 25, 2025
CHIMERIX INC4 tx · Apr 21, 2025
Atreca, Inc.2 tx · Jan 29, 2021

Track record of Decker Lisa Lynn

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Decker Lisa Lynn

Co-insiders of Decker Lisa Lynn

Baker Bros. Advisors (GP) LLCAtreca, Inc. +1
BAKER BROS. ADVISORS LPAtreca, Inc. +1
BAKER FELIXAtreca, Inc. +1
BAKER JULIANAtreca, Inc. +1
Green JeremyAtreca, Inc. +1
Redmile Group, LLCAtreca, Inc. +1
667, L.P.IGM Biosciences, Inc.
Alrutz Michael ACHIMERIX INC
ALTA EMBARCADERO BIOPHARMA PARTNERS III LLCCHIMERIX INC
A.M. Pappas Life Science Ventures IV LPCHIMERIX INC
Andriole Michael T.CHIMERIX INC
ATWOOD BRIAN GAtreca, Inc.
Baker Brothers Life Sciences LPIGM Biosciences, Inc.
BALL KRISTINE MAtreca, Inc.
BEHRENS M KATHLEENIGM Biosciences, Inc.
BERGER FRANKLIN MAtreca, Inc.
Berrey M MichelleCHIMERIX INC
Bill & Melinda Gates FoundationAtreca, Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IGM Biosciences, Inc.Listing unverified	Jul 25, 2025	Sell	-4,409	1.27 USD	$5.6K		SEC
IGM Biosciences, Inc.Listing unverified	Jun 20, 2025	Sell	-951	1.20 USD	$1.1K		SEC
CHIMERIX INCListing unverified	Apr 21, 2025	OtherD (derivative)	-100,000	—	n/a (No price was disclosed in the filing)		SEC
CHIMERIX INCListing unverified	Apr 21, 2025	OtherD (derivative)	-60,000	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Mar 18, 2025	Sell	-4,512	1.23 USD	$5.5K		SEC
IGM Biosciences, Inc.Listing unverified	Dec 18, 2024	Sell	-1,063	7.48 USD	$8K		SEC
IGM Biosciences, Inc.Listing unverified	Sep 17, 2024	Sell	-925	11.54 USD	$10.7K		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	Award	3,334	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	OtherD (derivative)	-60,000	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	Award	16,666	—	n/a (No price was disclosed in the filing)		SEC
CHIMERIX INCListing unverified	Jun 21, 2024	AwardD (derivative)	60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jun 18, 2024	Sell	-977	7.58 USD	$7.4K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 15, 2024	Sell	-1,798	9.88 USD	$17.8K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 15, 2024	Sell	-1,578	10.17 USD	$16K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 14, 2024	AwardD (derivative)	57,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Mar 14, 2024	Award	28,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CHIMERIX INCListing unverified	Jan 2, 2024	AwardD (derivative)	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Dec 15, 2023	Sell	-4,369	5.78 USD	$25.3K		SEC
IGM Biosciences, Inc.Listing unverified	Dec 1, 2023	Sell	-1,180	6.21 USD	$7.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Sell	-1,244	12.30 USD	$15.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Award	961	11.71 USD	$11.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Sell	-15	13.01 USD	$195.2	Unusual size	SEC
IGM Biosciences, Inc.Listing unverified	Apr 20, 2023	Award	8,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 6, 2023	AwardD (derivative)	32,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 6, 2023	Award	16,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IGM Biosciences, Inc.Listing unverified	Jul 25, 2025	Sell	-4,409	1.27 USD	$5.6K		SEC
IGM Biosciences, Inc.Listing unverified	Jun 20, 2025	Sell	-951	1.20 USD	$1.1K		SEC
CHIMERIX INCListing unverified	Apr 21, 2025	OtherD (derivative)	-100,000	—	n/a (No price was disclosed in the filing)		SEC
CHIMERIX INCListing unverified	Apr 21, 2025	OtherD (derivative)	-60,000	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Mar 18, 2025	Sell	-4,512	1.23 USD	$5.5K		SEC
IGM Biosciences, Inc.Listing unverified	Dec 18, 2024	Sell	-1,063	7.48 USD	$8K		SEC
IGM Biosciences, Inc.Listing unverified	Sep 17, 2024	Sell	-925	11.54 USD	$10.7K		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	Award	3,334	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	OtherD (derivative)	-60,000	—	n/a (No price was disclosed in the filing)		SEC
IGM Biosciences, Inc.Listing unverified	Jul 23, 2024	Award	16,666	—	n/a (No price was disclosed in the filing)		SEC
CHIMERIX INCListing unverified	Jun 21, 2024	AwardD (derivative)	60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Jun 18, 2024	Sell	-977	7.58 USD	$7.4K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 15, 2024	Sell	-1,798	9.88 USD	$17.8K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 15, 2024	Sell	-1,578	10.17 USD	$16K		SEC
IGM Biosciences, Inc.Listing unverified	Mar 14, 2024	AwardD (derivative)	57,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Mar 14, 2024	Award	28,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CHIMERIX INCListing unverified	Jan 2, 2024	AwardD (derivative)	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Dec 15, 2023	Sell	-4,369	5.78 USD	$25.3K		SEC
IGM Biosciences, Inc.Listing unverified	Dec 1, 2023	Sell	-1,180	6.21 USD	$7.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Sell	-1,244	12.30 USD	$15.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Award	961	11.71 USD	$11.3K		SEC
IGM Biosciences, Inc.Listing unverified	May 25, 2023	Sell	-15	13.01 USD	$195.2	Unusual size	SEC
IGM Biosciences, Inc.Listing unverified	Apr 20, 2023	Award	8,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 6, 2023	AwardD (derivative)	32,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IGM Biosciences, Inc.Listing unverified	Apr 6, 2023	Award	16,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC