Francis Willard Sarena 89bio, Inc. (ETNB) insider trading activity

Francis Willard Sarena is Chief Operating Officer of 89bio, Inc.. Currently has a direct ownership of 74,231 shares of ETNB, which is worth approximately $671,048. The most recent transaction as insider was on Aug 05, 2025, when has been sold 2,979 shares (Common Stock) at a price of $9.69 per share, resulting in proceeds of $28,866. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 74.2K

5.74% 3M change

196.92% 12M change

Total Value Held $671,048

Francis Willard Sarena Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 05 2025	SELL Payment of exercise price or tax liability	$28,866 $9.69 p/Share	2,979 Reduced 3.86%	74,231 Common Stock
Aug 01 2025	SELL Payment of exercise price or tax liability	$29,366 $9.16 p/Share	3,206 Reduced 3.99%	77,210 Common Stock
Feb 01 2025	BUY Grant, award, or other acquisition	-	53,750 Added 40.57%	78,750 Common Stock
Aug 05 2024	BUY Grant, award, or other acquisition	-	25,000 Added 50.0%	25,000 Common Stock

Also insider at

BCAC

Brookline Capital Acquisition Corp. Financial Services

President and COO

FPRX

FIVE PRIME THERAPEUTICS, INC.

Chief Strategy Officer

FWS