Tito Serafini - 02 Aug 2023 Form 4 Insider Report for Atreca, Inc. (BCEL)

Role: Chief Strategy Officer, Director
Signature: /s/ Courtney J. Phillips, Attorney-In-Fact
Issuer symbol: BCEL
Transactions as of: 02 Aug 2023
Net transactions value: -$5,225
Form type: 4
Filing time: 04 Aug 2023, 18:56:03 UTC
Previous filing: 13 Feb 2023
Next filing: 03 Apr 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCEL	Class A Common Stock	Sale	$5,225	-5,487	-7%	$0.9522	72,817	02 Aug 2023	Direct	F1, F2
holding	BCEL	Class A Common Stock						50,000	02 Aug 2023	By the Serafini/Postner Irrevocable Remainder Trust
holding	BCEL	Class A Common Stock						228,875	02 Aug 2023	By the Serafini/Postner Revocable Trust

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" and does not represent a discretionary trade by the Reporting Person.
F2	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.92 to $0.97 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Content

Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" and does not represent a discretionary trade by the Reporting Person.

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.92 to $0.97 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.