// company-profile

Annexon, Inc.

ANNX
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings110Insiders17
// api This Annexon, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 9 insiders purchased shares (net $3.4M). Buying was led by Satter Muneer A.

// 90-day insight

Over the last 90 days, Annexon, Inc. insiders bought $3.4M across 9 transactions with no open-market sales.

  • Most active insider: Carson William H. with 3 transactions totaling $96K.
  • Largest single purchase: $3.3M by Satter Muneer A on May 28, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Annexon, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$845.7M
QoQ change
+32.1%
Reporting period
2026-03-31
#1
Redmile Group, LLC
CIK 1425738
$80.6M
14.5M shares
#2
FMR LLC
CIK 315066
$54.9M
9.9M shares
#3
BVF INC/IL
CIK 1056807
$48.2M
8.7M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 11, 2026Cockroft Bettina M.ANNX
Award
65,000$0.00$0K
Jun 11, 2026Yednock TedANNX
Option Exercise
30,646$0.00$0K
Jun 11, 2026Choi JungANNX
Award
65,000$0.00$0K
Jun 11, 2026Waddill William D.ANNX
Award
65,000$0.00$0K
Jun 11, 2026JONES WILLIAM A JRANNX
Award
65,000$0.00$0K

45 more transactions hidden

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