Quick Takeaways
- Michael Overdorf has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $989,827.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Michael Overdorf
- Location
- South San Francisco, CA
- Summary
- The estimated net worth of Michael Overdorf is at least $989,827 dollars as of 04 Mar 2026. Michael Overdorf is the EVP & CHIEF BUSINESS OFFICER of Annexon, Inc. and owns shares of Annexon, Inc. (ANNX) stock worth about $989.8K.
- Signature
- /s/ Jennifer Lew, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Michael Overdorf and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Annexon, Inc. ($989,827).
- Past-year value change for that position: -$57,491.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Michael Overdorf
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ANNX | Annexon, Inc. | Evp & Chief Business Officer | $989,827 | -$57,491 | -5.5% | 02 Mar 2026 |
Insider Transactions Reported by Michael Overdorf:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.