Satter Muneer A 4
4 · Annexon, Inc. · Filed May 29, 2026
Research Summary
AI-generated summary of this filing
Annexon (ANNX) Director Muneer A. Satter Buys 613,497 Shares
What Happened
Muneer A. Satter, a director of Annexon, reported a purchase (Code P) of 613,497 shares on May 28, 2026 at $5.41 per share, a transaction valued at approximately $3,319,019. The filing notes the shares were purchased by Alerce Medical Technology Partners, L.P.; the Reporting Person has sole voting and dispositive power over the shares held by Alerce Medical.
Key Details
- Transaction date: May 28, 2026; filing date: May 29, 2026 (timely filing).
- Price and amount: 613,497 shares at $5.41/share; total ≈ $3,319,019.
- Shares controlled after transaction (per filing footnote): includes 240,000 shares in the Muneer A. Satter Revocable Trust; 567,240 in various other trusts/entities; 1,147,738 in Satter Medical Technology Partners, L.P.; and 8,387,156 in Alerce Medical — totals shown in the filing sum to 10,342,134 shares over which he has voting/dispositive power as of May 28, 2026.
- Footnote highlights: (F1) all purchased shares were acquired by Alerce Medical and Satter has sole voting/dispositive power over those shares; (F2) the filing disclaims beneficial ownership of shares held by certain trusts/entities except to the extent of his pecuniary interest.
- Transaction type: Purchase (P) — reported as open-market or private purchase via Alerce Medical.
Context
This was a direct purchase through an affiliated investment vehicle rather than an immediate sale or option exercise. Purchases by insiders or affiliated entities can be interpreted by investors as a positive signal of confidence, but note the filing’s disclaimers regarding beneficial ownership — Satter reports control over the shares but disclaims beneficial ownership of certain holdings except for pecuniary interest.
Insider Transaction Report
- Purchase
Common Stock
[F1][F2]2026-05-28$5.41/sh+613,497$3,319,019→ 10,342,134 total(indirect: See footnote)
Footnotes (2)
- [F1]All shares were purchased by Alerce Medical Technology Partners, L.P. ("Alerce Medical"). The Reporting Person has sole voting and dispositive power over the shares held by Alerce Medical. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
- [F2]As of May 28, 2026, includes (a) 240,000 shares that are held by the Muneer A. Satter Revocable Trust for which the Reporting Person serves as trustee and, in such capacity, has sole voting and dispositive power over all such shares, (b) 567,240 shares that are held by various other trusts and entities for which the Reporting Person serves as trustee, investment advisor or manager, as applicable, and, in each such capacity, has sole voting and dispositive power over all such shares, (c) 1,147,738 shares that are held by Satter Medical Technology Partners, L.P. for which the Reporting Person has sole voting and dispositive power over all such shares and (d) 8,387,156 shares that are held by Alerce Medical for which the Reporting Person has sole voting and dispositive power over all such shares. The Reporting Person disclaims beneficial ownership of all shares included under (b), (c) and (d) of this footnote, except to the extent of his pecuniary interest therein.