The table below summarizes the most recent ETNB insider buying information, with links below the price to see the CAGR achieved by each insider on their purchases. As the saying goes on Wall St., there are many possible reasons to sell a stock, but only one reason to buy. Watch the importance of insider buying video for more information about why ETNB insider buys are important for investors to follow.

Date	Insider	Price	Amount
3-4-2024 Insider Buy	RA CAPITAL MANAGEMENT, L.P.	$15.35 CAGR »	$20,722,500.00 1,350,000 shares
3-24-2023 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$16.25 CAGR »	$39,999,992.50 2,461,538 shares
3-28-2023 Insider Buy	Michael R. Hayden	$12.28 CAGR »	$1,077,913.70 87,788 shares
10-18-2022 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$7.65 CAGR »	$8,971,468.65 1,172,741 shares
7-1-2022 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$3.55 CAGR »	$9,999,995.00 2,816,900 shares
5-28-2021 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$18.60 CAGR »	$3,857,062.76 207,417 shares
9-17-2020 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$28.00 CAGR »	$36,400,000.00 1,300,000 shares
7-10-2020 Insider Buy	Gregory Grunberg Director and >10% Owner	$27.50 CAGR »	$2,999,975.00 109,090 shares
7-10-2020 Insider Buy	Longitude Capital Partners III, LLC >10% Owner	$27.50 CAGR »	$2,999,975.00 109,090 shares
7-8-2020 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$27.50 CAGR »	$7,562,500.00 275,000 shares
11-13-2019 Insider Buy	ORBIMED ADVISORS LLC Director and >10% Owner	$16.00 CAGR »	$13,400,000.00 837,500 shares
11-13-2019 Insider Buy	Longitude Capital Partners III, LLC >10% Owner	$16.00 CAGR »	$9,200,000.00 575,000 shares
11-13-2019 Insider Buy	Michael R. Hayden Director	$16.00 CAGR »	$300,000.00 18,750 shares
11-13-2019 Insider Buy	Gregory Grunberg Director and >10% Owner	$16.00 CAGR »	$9,200,000.00 575,000 shares
11-13-2019 Insider Buy	RA CAPITAL MANAGEMENT, L.P. Director and >10% Owner	$16.00 CAGR »	$24,000,000.00 1,500,000 shares
11-13-2019 Insider Buy	Anat Naschitz Director and >10% Owner	$16.00 CAGR »	$13,400,000.00 837,500 shares
11-13-2019 Insider Buy	Tomer Kariv Director and >10% Owner	$16.00 CAGR »	$4,000,000.00 250,000 shares

Also See: Institutional Holders of ETNB
Also See: SEC filings

Below we present the annualized performance delivered by ETNB stock since 3-4-2024 (the date of the most recent insider purchase). The performance of the investment from the time ETNB insider buying occurred is the ultimate test of whether insiders were right about ETNB being a good buy.

Growth of $10,000.00 Without Dividends Reinvested
Start date:	03/05/2024
End date:	04/17/2024
Start price/share:	$11.73
End price/share:	$9.16
Dividends collected/share:	$0.00
Total return:	-21.91%
Annualized Gain:	-190.41%
Starting investment:	$10,000.00
Ending investment:	$7,809.00
Years:	0.12

ETNB Insider Buying

This Holdings Channel page has presented insider buying activity, covering Directors, officers (such as CEO, CFO, COO, etc.), and >10% owners (who are required to file form 4's with the SEC). Important institutional owners may not fall under these categories, but instead file their holdings quarterly on the latest form 13F filings. While recent ETNB insider buying activity is included, there may also be stock sales over this same period (Also See: SEC filings for sales and other details).

Also See: Funds Holding ETNB

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ETNB Insider Buying

ETNB Insider Buying | www.HoldingsChannel.com