Norman Michael Greenberg Atreca, Inc. (BCEL) insider trading activity

Norman Michael Greenberg is Chief Scientific Officer of Atreca, Inc.. Currently has a direct ownership of 0 shares of BCEL, which is worth approximately $0. The most recent transaction as insider was on Mar 17, 2021, when has been sold 5,000 shares (Class A Common Stock) at a price of $16.73 per share, resulting in proceeds of $83,650. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0

0% 3M change

0% 12M change

Total Value Held $0

Norman Michael Greenberg Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 17 2021	SELL Open market or private sale	$83,650 $16.73 p/Share	5,000 Reduced 100.0%	0 Class A Common Stock
Mar 17 2021	BUY Exercise of conversion of derivative security	$24,300 $4.86 p/Share	5,000 Added 63.16%	2,916 Class A Common Stock
Feb 17 2021	SELL Open market or private sale	$94,750 $18.95 p/Share	5,000 Reduced 100.0%	0 Class A Common Stock
Feb 17 2021	BUY Exercise of conversion of derivative security	$25,800 $5.16 p/Share	5,000 Added 50.0%	5,000 Class A Common Stock
Jan 19 2021	SELL Open market or private sale	$76,050 $15.21 p/Share	5,000 Reduced 100.0%	0 Class A Common Stock
Jan 19 2021	BUY Exercise of conversion of derivative security	$25,800 $5.16 p/Share	5,000 Added 50.0%	5,000 Class A Common Stock
Dec 17 2020	SELL Open market or private sale	$83,050 $16.61 p/Share	5,000 Reduced 100.0%	0 Class A Common Stock
Dec 17 2020	BUY Exercise of conversion of derivative security	$22,800 $4.56 p/Share	5,000 Added 50.0%	5,000 Class A Common Stock
Nov 27 2020	SELL Open market or private sale	$48,705 $15.34 p/Share	3,175 Reduced 100.0%	0 Class A Common Stock
Nov 27 2020	BUY Exercise of conversion of derivative security	$14,478 $4.56 p/Share	3,175 Added 50.0%	3,175 Class A Common Stock
Nov 17 2020	SELL Open market or private sale	$27,448 $15.04 p/Share	1,825 Reduced 100.0%	0 Class A Common Stock
Nov 17 2020	BUY Exercise of conversion of derivative security	$8,322 $4.56 p/Share	1,825 Added 50.0%	1,825 Class A Common Stock
Nov 10 2020	SELL Open market or private sale	$67,950 $15.1 p/Share	4,500 Reduced 100.0%	0 Class A Common Stock
Nov 10 2020	BUY Exercise of conversion of derivative security	$20,520 $4.56 p/Share	4,500 Added 50.0%	4,500 Class A Common Stock
Oct 19 2020	SELL Open market or private sale	$7,560 $15.12 p/Share	500 Reduced 100.0%	0 Class A Common Stock
Oct 19 2020	BUY Exercise of conversion of derivative security	$2,280 $4.56 p/Share	500 Added 50.0%	500 Class A Common Stock

NMG

Norman Michael Greenberg

Chief Scientific Officer

South San Francisco, CA

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