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.

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
2
3 transactions
Insiders selling
0
0 transactions
Purchases
$3.4M
629,497 shares
Sales
$0
0 shares
Net activity
$3.4M
purchases less sales

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

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.