Eric J Loumeau Anaptysbio, Inc (ANAB) insider trading activity

Eric J Loumeau is CHIEF LEGAL OFFICER of ANAPTYSBIO, INC. Currently has a direct ownership of 12,835 shares of ANAB, which is worth approximately $434,079. The most recent transaction as insider was on Jan 08, 2026, when has been sold 2,210 shares (Common Stock) at a price of $44.71 per share, resulting in proceeds of $98,809. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 12.8K

41.23% 3M change

16.65% 12M change

Total Value Held $434,079

ERIC J LOUMEAU Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 08 2026	SELL Open market or private sale	$98,809 $44.71 p/Share	2,210 Reduced 14.69%	12,835 Common Stock
Jan 07 2026	SELL Open market or private sale	$443,008 $45.96 p/Share	9,639 Reduced 51.28%	9,157 Common Stock
Jan 07 2026	BUY Exercise of conversion of derivative security	-	5,888 Added 28.13%	15,045 Common Stock
Jan 06 2026	BUY Exercise of conversion of derivative security	-	5,545 Added 22.78%	18,796 Common Stock
Jan 05 2026	SELL Open market or private sale	$129,044 $43.26 p/Share	2,983 Reduced 18.38%	13,251 Common Stock
Jan 03 2026	BUY Exercise of conversion of derivative security	-	7,287 Added 30.98%	16,234 Common Stock
Dec 22 2025	SELL Open market or private sale	$510,000 $51.0 p/Share	10,000 Reduced 52.78%	8,947 Common Stock

Dec 22 2025	BUY Exercise of conversion of derivative security	$140,200 $14.02 p/Share	10,000 Added 34.55%	18,947 Common Stock
Dec 18 2025	SELL Open market or private sale	$6,625 $46.99 p/Share	141 Reduced 1.55%	8,947 Common Stock
Dec 17 2025	SELL Open market or private sale	$460,000 $46.0 p/Share	10,000 Reduced 52.39%	9,088 Common Stock
Dec 17 2025	BUY Exercise of conversion of derivative security	$140,200 $14.02 p/Share	10,000 Added 34.38%	19,088 Common Stock
Dec 16 2025	SELL Open market or private sale	$562,000 $44.96 p/Share	12,500 Reduced 57.9%	9,088 Common Stock
Dec 16 2025	BUY Exercise of conversion of derivative security	$213,625 $17.09 p/Share	12,500 Added 36.67%	21,588 Common Stock
Sep 30 2025	SELL Open market or private sale	$238,960 $29.0 p/Share	8,240 Reduced 47.55%	9,088 Common Stock
Sep 30 2025	BUY Exercise of conversion of derivative security	$70,100 $14.02 p/Share	5,000 Added 22.39%	17,328 Common Stock
Jan 06 2025	SELL Payment of exercise price or tax liability	$33,920 $15.3 p/Share	2,217 Reduced 16.77%	11,003 Common Stock
Jan 06 2025	BUY Exercise of conversion of derivative security	-	5,545 Added 29.55%	13,220 Common Stock
Jan 03 2025	SELL Payment of exercise price or tax liability	$43,712 $14.6 p/Share	2,994 Reduced 28.06%	7,675 Common Stock
Jan 03 2025	BUY Exercise of conversion of derivative security	-	7,288 Added 40.59%	10,669 Common Stock
Sep 17 2024	SELL Open market or private sale	$145,189 $38.41 p/Share	3,780 Reduced 53.85%	3,240 Common Stock
Sep 16 2024	SELL Open market or private sale	$344,701 $39.53 p/Share	8,720 Reduced 55.4%	7,020 Common Stock
Sep 16 2024	BUY Exercise of conversion of derivative security	$70,100 $14.02 p/Share	5,000 Added 27.0%	13,520 Common Stock
Sep 14 2024	BUY Exercise of conversion of derivative security	-	6,000 Added 35.84%	10,740 Common Stock
Feb 16 2024	SELL Open market or private sale	$125,000 $25.0 p/Share	5,000 Reduced 60.68%	3,240 Common Stock
Feb 16 2024	BUY Exercise of conversion of derivative security	$70,100 $14.02 p/Share	5,000 Added 37.76%	8,240 Common Stock

EJL

Eric J Loumeau

CHIEF LEGAL OFFICER

San Diego, CA

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