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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1532346	Atreca Inc.	BCEL	Pharmaceutical Preparations (2834)	273723255

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1773750	Michael Norman Greenberg	C/O Atreca, Inc., 450 East Jamie Court South San Francisco CA 94080	Chief Scientific Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Acquisiton	2020-05-07	5,000	$4.56	5,000	No	4	M	Direct
Class A Common Stock	Disposition	2020-05-07	5,000	$18.00	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Class A Common Stock	Stock Option (right to buy)	Disposition	2020-05-07	5,000	$0.00	5,000	$4.56

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
47,201		2026-05-09	No	4	M	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 17, 2019.
1/4 of the Option vested on 5/2/2017 and 1/48 of the Option vests in equal monthly installments as measured from 5/2/2017. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase. If applicable, vesting accelerates as provided in, and subject to the terms and conditions of, that certain Executive Employment Agreement between the Issuer and the Reporting Person, as may be amended from time to time.