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ANNX - Annexon, Inc.

Insider Purchase by Satter Muneer A (Dir)

6 Months
After Trade
Before Trade

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Trade Summary

3 months ago, Satter Muneer A, serving as Dir at Annexon, Inc. (ANNX), purchased 1,500,000 shares at $3.37 per share, for a total transaction value of $5,055,000.00. Following this transaction, Satter Muneer A now holds 8,906,024 shares of ANNX.

This purchase represents a 20.00% increase in Satter Muneer A's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, November 17, 2025 and publicly disclosed via SEC Form 4 filing on Wednesday, November 19, 2025, 2 days after the trade was made.

Annexon, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Satter Muneer A

Dir

Muneer A. Satter is a prominent American investor, philanthropist, and biotech executive, serving as an Independent Director at Annexon, Inc. (NASDAQ: ANNX) since November 30, 2014, where he has recently engaged in insider trading activities.[[1]](https://www.marketscreener.com/insider/MUNEER-SATTER-A06Q5P/)[[2]](https://westcoast-wealth.com/speakers/muneer-a-satter/) He is the founder and Chairman of Satter Investment Management LLC since 2012, a Chicago-based family office and private investment firm focused on healthcare and medical technology companies, including Satter Medical Technology Partners LP and Alerce Investment Management LP, both founded in 2015-2016.[[1]](https://www.marketscreener.com/insider/MUNEER-SATTER-A06Q5P/)[[3]](https://alzheon.com/medicines-alzheimers-disease/alzheon-board-directors/)[[5]](https://en.wikipedia.org/wiki/Muneer_Satter) Satter had a distinguished 24-year career at Goldman Sachs, joining in 1988 as part of the Merchant Banking Division, co-heading the European group, and later serving as global head of the Mezzanine Group, growing assets from $250 million to over $130 billion with strong returns.[[1]](https://www.marketscreener.com/insider/MUNEER-SATTER-A06Q5P/)[[3]](https://alzheon.com/medicines-alzheimers-disease/alzheon-board-directors/)[[5]](https://en.wikipedia.org/wiki/Muneer_Satter) His board experience spans numerous biotech firms such as Akebia Therapeutics (Chairman, 2013-2018), Aerpio Therapeutics (Chairman, 2013-2020), and Alzheon, alongside philanthropy roles including Vice Chairman of The Goldman Sachs Foundation and Trustee at Northwestern University.[[1]](https://www.marketscreener.com/insider/MUNEER-SATTER-A06Q5P/)[[2]](https://westcoast-wealth.com/speakers/muneer-a-satter/)[[3]](https://alzheon.com/medicines-alzheimers-disease/alzheon-board-directors/) Satter holds a B.A. from Northwestern University and a joint JD/MBA from Harvard Law School and Harvard Business School.[[1]](https://www.marketscreener.com/insider/MUNEER-SATTER-A06Q5P/)[[2]](https://westcoast-wealth.com/speakers/muneer-a-satter/)[[3]](https://alzheon.com/medicines-alzheimers-disease/alzheon-board-directors/)

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Trade Price

$3.37

Quantity

1,500,000

Total Value

$5,055,000.00

Shares Owned

8,906,024

Trade Date

Monday, November 17, 2025

97 days ago

SEC Filing Date

Wednesday, November 19, 2025

Filed 2 days after trade

HEALTHCAREBIOTECHNOLOGY

About Annexon, Inc.

Company Overview

No company information available
View news mentioning ANNX

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