ANNX Annexon, Inc.

NASDAQ
$3.94

Annexon, Inc. (ANNX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
3
14 transactions
Insiders selling
5
10 transactions
Purchases
$12.3M
3,009,570 shares
Sales
$313.4K
59,697 shares
Net activity
$12.0M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $313.4K 10 transactions · 59,697 shares

Largest single sale: $40.1K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: May 28, 2026 , by Satter Muneer A .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Satter Muneer A Director Buy 613,497 $5.41 $3.3M 10,342,134
Carson William H. Director Buy 10b5-1 8,000 $5.78 $46.2K 78,405
Carson William H. Director Buy 10b5-1 8,000 $6.20 $49.6K 70,405
Carson William H. Director Buy 10b5-1 8,000 $5.67 $45.4K 62,405
ARTIS DEAN RICHARD EVP & CHIEF SCIENTIFIC OFFICER Sell 5,894 $5.43 $32.0K 180,093 −3.2% of holding
Dananberg Jamie CHIEF MEDICAL OFFICER Sell 5,820 $5.43 $31.6K 123,582 −4.5% of holding
Yednock Ted EVP & CHIEF INNOVATION OFFICER Sell 5,566 $5.42 $30.2K 154,161 −3.5% of holding
Lew Jennifer EVP & CHIEF FINANCIAL OFFICER Sell 5,565 $5.42 $30.2K 170,700 −3.2% of holding
Overdorf Michael EVP & CHIEF BUSINESS OFFICER Sell 4,339 $5.42 $23.5K 182,625 −2.3% of holding
Yednock Ted EVP & CHIEF INNOVATION OFFICER Sell 7,857 $5.11 $40.1K 97,227 −7.5% of holding
Lew Jennifer EVP & CHIEF FINANCIAL OFFICER Sell 7,851 $5.11 $40.1K 113,765 −6.5% of holding
Overdorf Michael EVP & CHIEF BUSINESS OFFICER Sell 6,225 $5.10 $31.7K 124,464 −4.8% of holding
ARTIS DEAN RICHARD EVP & CHIEF SCIENTIFIC OFFICER Sell 5,290 $5.10 $27.0K 123,487 −4.1% of holding
Dananberg Jamie CHIEF MEDICAL OFFICER Sell 5,290 $5.10 $27.0K 73,152 −6.7% of holding
Carson William H. Director Buy 10b5-1 4,115 $5.02 $20.7K 54,405
Choi Jung Director Buy 33,000 $4.19 $138.3K 33,000
Carson William H. Director Buy 10b5-1 4,115 $4.47 $18.4K 50,290
Satter Muneer A Director Buy 422,613 $4.28 $1.8M 9,728,637
Satter Muneer A Director Buy 400,000 $4.48 $1.8M 9,306,024
Satter Muneer A Director Buy 500,000 $3.94 $2.0M 8,906,024
Satter Muneer A Director Buy 500,000 $3.18 $1.6M 8,406,024
Satter Muneer A Director Buy 500,000 $2.99 $1.5M 7,906,024
Carson William H. Director Buy 10b5-1 4,115 $3.17 $13.0K 46,175
Carson William H. Director Buy 10b5-1 4,115 $3.05 $12.6K 42,060

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.