Annexon ANNX Insider Ownership

NASDAQ ANNX
$4.87 +0.03 (+0.62%)
As of: Sep 4, 2026 · 3:59 PM EDT

Insider Holdings by Owner

17.19Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
0.292%
0% pp QoQ
Shares Held by Insiders
435.31K
filed for Sep 2026
0.00% QoQ
Shares Outstanding
149.12Mn
149,123,701 shares
Direct Holdings
435.31K
Indirect: 0
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
10
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest
Average ownership
Peak ownership

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter
Net over range
Buying quarters

Insider Ownership Summary

Quarter ending 30 Sep, 2026

ANNX's three largest insider shareholders as of August 29, 2026 are Muneer A Satter (Director, 10.34Mn shares), Capital Life Sciences Investors, Llc Bain (TenPercentOwner, 5.70Mn shares), Capital Life Sciences Investors, Llc Bain (TenPercentOwner, 5.70Mn shares).

Form 4 Holdings

Insiders Holding ANNX

Insiders 10
Shares held 17.19Mn
Of outstanding 11.53%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Muneer A Satter Director 0 10,342,134 10,342,134 60.2% 29 May, 2026
2 Capital Life Sciences Investors, Llc Bain TenPercentOwner 0 5,701,926 5,701,926 33.2% 30 May, 2023
3 Douglas Love President And Ceo 351,554 0 351,554 2.0% 18 Feb, 2025
4 Ted Yednock Evp Chief Innovation Officer 184,807 0 184,807 1.1% 15 Jun, 2026
5 Michael Overdorf Evp Chief Business Officer 182,625 0 182,625 1.1% 04 Mar, 2026
6 Dean Richard Artis Evp Chief Scientific Officer 180,093 0 180,093 1.0% 04 Mar, 2026
7 Jamie Dananberg Chief Medical Officer 123,582 0 123,582 0.7% 04 Mar, 2026
8 William H. Carson Director 70,405 0 70,405 0.4% 14 Apr, 2026
9 Jung Choi Director 0 33,000 33,000 0.2% 03 Dec, 2025
10 Larry Mattheakis Evp Chief Scientific Officer 17,188 0 17,188 0.1% 13 Jul, 2022

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

557 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
10 Aug, 2026 Mark S. Blumenkranz Director Acquired A 175,000 $0.00 $0 175,000 Direct
11 Jun, 2026 William A Jr Jones Director Acquired A 65,000 $0.00 $0 65,000 Direct
11 Jun, 2026 Muneer A Satter Director Acquired A 65,000 $0.00 $0 65,000 Direct
11 Jun, 2026 Jung Choi Director Acquired A 65,000 $0.00 $0 65,000 Direct
11 Jun, 2026 Bettina M. Cockroft Director Acquired A 65,000 $0.00 $0 65,000 Direct
11 Jun, 2026 Ted Yednock Evp Chief Innovation Officer Acquired M 30,646 $1.85 $56.70K 184,807 Direct
11 Jun, 2026 Ted Yednock Evp Chief Innovation Officer Disposed M 30,646 $0.00 $0 0 Direct
28 May, 2026 Muneer A Satter Director Acquired P 613,497 $5.41 $3.32Mn 10,342,134 Indirect
10 Apr, 2026 William H. Carson Director Acquired P 8,000 $6.20 $49.60K 70,405 Direct
02 Mar, 2026 Dean Richard Artis Evp Chief Scientific Officer Disposed S 5,894 $5.43 $32.00K 180,093 Direct
02 Mar, 2026 Michael Overdorf Evp Chief Business Officer Disposed S 4,339 $5.42 $23.52K 182,625 Direct
02 Mar, 2026 Michael Overdorf Evp Chief Business Officer Disposed S 4,339 $5.42 $23.52K 182,625 Direct
02 Mar, 2026 Michael Overdorf Evp Chief Business Officer Disposed S 4,339 $5.42 $23.52K 182,625 Direct
02 Mar, 2026 Jamie Dananberg Chief Medical Officer Disposed S 5,820 $5.43 $31.60K 123,582 Direct
02 Mar, 2026 Jamie Dananberg Chief Medical Officer Disposed S 5,820 $5.43 $31.60K 123,582 Direct
02 Mar, 2026 Michael Overdorf Evp Chief Business Officer Disposed S 4,339 $5.42 $23.52K 182,625 Direct
02 Mar, 2026 Michael Overdorf Evp Chief Business Officer Disposed S 4,339 $5.42 $23.52K 182,625 Direct
19 Feb, 2026 Douglas Love President And Ceo Acquired A 1,250,000 $0.00 $0 1,250,000 Direct
19 Feb, 2026 Jamie Dananberg Chief Medical Officer Acquired A 56,250 $0.00 $0 129,402 Direct
19 Feb, 2026 Douglas Love President And Ceo Acquired A 1,250,000 $0.00 $0 1,250,000 Direct