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Annexon (ANNX) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

ANNX slides 5.3% to $3.41, a 6-month low, 5 down days in a row. Closed at $3.41, -5.28% vs the prior close of $3.60. Day range $3.36–$3.61, opened at $3.60.

Last close$3.41-5.28%
Day range3.36–3.61
Open3.60
Volume5.24M
52-week range2.54–7.18
Avg volume (20d)3.34M

ANNX daily analysis β€” what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 16, 2026 β€” ANNX slides 5.3% to $3.41, a 6-month low, 5 down days in a row
Oct 15, 2026 β€” ANNX dips 1.9% to $3.60, a 6-month low, 4 down days in a row
Oct 14, 2026 β€” ANNX slides 4.2% to $3.67, 3 down days in a row
Oct 13, 2026 β€” ANNX slides 3.3% to $3.83
Oct 12, 2026 β€” ANNX dips 1.5% to $3.96
Oct 9, 2026 β€” ANNX rises 0.5% to $4.02
Oct 8, 2026 β€” ANNX ends flat (-0.2%) to $4.00, 3 down days in a row
Oct 7, 2026 β€” ANNX dips 0.5% to $4.01
Oct 6, 2026 β€” ANNX slides 4.0% to $4.03
Oct 5, 2026 β€” ANNX ends flat (+0.2%) to $4.20
Oct 2, 2026 β€” ANNX rises 1.7% to $4.19

ANNX latest news & SEC filings

Every SEC filing by or about ANNX in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Sep 25, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001818520-26-000003

Aug 13, 2026 Β· Form 144 β€” Planned insider sale

Notice of proposed sale (Form 144) β€” an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001959173-26-005993

Aug 12, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0001614869-26-000004

Aug 12, 2026 Β· Form 3 β€” New insider holdings

Initial insider ownership statement (Form 3) β€” a new director, officer or 10% owner disclosed their holdings

Source: SEC EDGAR filing 0001614869-26-000003

Aug 12, 2026 Β· Form 10-Q β€” Quarterly report

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0001193125-26-346779

Aug 12, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001193125-26-345672

Aug 10, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-342524

Aug 7, 2026 Β· Form SCHEDULE 13G β€” Passive stake (13G)

Passive stake (13G) β€” an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0000093751-26-000411

Aug 6, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-336867

Jul 30, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-326199

Jul 27, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0002012383-26-002180

Jul 15, 2026 Β· Form 144 β€” Planned insider sale

Notice of proposed sale (Form 144) β€” an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001959173-26-005238

Jul 14, 2026 Β· Form 144 β€” Planned insider sale

Notice of proposed sale (Form 144) β€” an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001959173-26-005219

Jul 8, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001104659-26-082022

Jul 8, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0000315066-26-001457

Things to know before you trade ANNX

ANNX market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 16, 20263.603.613.363.415.24M
Oct 15, 20263.703.823.503.602.65M
Oct 14, 20263.793.853.663.674.04M
Oct 13, 20263.963.963.783.833.42M
Oct 12, 20264.024.053.953.961.93M
Oct 9, 20263.974.143.974.022.38M
Oct 8, 20263.994.033.864.003.21M
Oct 7, 20263.994.183.914.012.45M
Oct 6, 20264.214.264.014.032.70M
Oct 5, 20264.254.314.064.203.45M
Oct 2, 20264.214.264.114.194.02M
Oct 1, 20264.184.384.124.123.92M
Sep 30, 20264.194.274.054.234.41M
Sep 29, 20264.004.243.944.133.71M
Sep 28, 20263.854.083.734.015.07M
Sep 25, 20263.813.853.633.643.51M
Sep 24, 20263.853.873.723.802.02M
Sep 23, 20264.184.193.813.872.42M
Sep 22, 20264.284.344.134.182.00M
Sep 21, 20264.274.364.124.224.18M

About Annexon

Annexon (ANNX) is listed on the Nasdaq and classified by the SEC under β€œPharmaceutical Preparations”. Its business address is in BRISBANE, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1528115.

ANNX board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Mark S. BlumenkranzDirectorAug 12, 2026
William H. CarsonDirectorJun 15, 2026
Jung ChoiDirectorJun 15, 2026
Bettina M. CockroftDirectorJun 15, 2026
William A Jr JonesDirectorJun 15, 2026
Douglas LovePRESIDENT AND CEOSep 25, 2026
Muneer A SatterDirectorJun 15, 2026
William D. WaddillDirectorJun 15, 2026

Executive officers

NameTitleLatest filing
Dean Richard ArtisEVP & CHIEF SCIENTIFIC OFFICERMar 4, 2026
Jamie DananbergCHIEF MEDICAL OFFICERMar 4, 2026
Jennifer LewEVP & CHIEF FINANCIAL OFFICERMar 4, 2026
Douglas LovePRESIDENT AND CEOSep 25, 2026
Michael OverdorfEVP & CHIEF BUSINESS OFFICERMar 4, 2026
Ted YednockEVP & CHIEF INNOVATION OFFICERJun 15, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Sep 24, 2026Douglas LoveBuy26,065$3.83
Sep 24, 2026Douglas LoveBuy26,065$3.83
Sep 24, 2026Douglas LoveBuy26,065$3.83
Sep 24, 2026Douglas LoveBuy26,065$3.83
May 28, 2026Muneer A SatterBuy613,497$5.41
May 28, 2026Muneer A SatterBuy613,497$5.41
May 28, 2026Muneer A SatterBuy613,497$5.41
May 28, 2026Muneer A SatterBuy613,497$5.41
May 11, 2026William H. CarsonBuy8,000$5.78
May 11, 2026William H. CarsonBuy8,000$5.78
May 11, 2026William H. CarsonBuy8,000$5.78
May 11, 2026William H. CarsonBuy8,000$5.78
Apr 10, 2026William H. CarsonBuy8,000$6.20
Apr 10, 2026William H. CarsonBuy8,000$6.20
Apr 10, 2026William H. CarsonBuy8,000$6.20

ANNX financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025β€”$-206.69M-1.34$-186.36M
Dec 31, 2024β€”$-138.20M-1.01$-118.01M
Dec 31, 2023β€”$-134.24M-1.77$-121.14M
Dec 31, 2022β€”$-141.95M-2.60$-116.31M
Dec 31, 2021β€”$-130.32M-3.40$-106.11M

Latest balance sheet: total assets $246.07M, total liabilities $60.01M, cash $199.27M (as of Jun 30, 2026).

ANNX earnings / results-day log

DateFilingClose that day
Aug 12, 20268-K Item 2.02 (results)$5.33
May 7, 20268-K Item 2.02 (results)$5.52
Mar 30, 20268-K Item 2.02 (results)$4.96
Nov 10, 20258-K Item 2.02 (results)$2.98
Aug 14, 20258-K Item 2.02 (results)$2.38
May 12, 20258-K Item 2.02 (results)$1.77
Mar 3, 20258-K Item 2.02 (results)$2.39
Nov 14, 20248-K Item 2.02 (results)$6.33
Aug 12, 20248-K Item 2.02 (results)β€”
May 13, 20248-K Item 2.02 (results)β€”
Mar 26, 20248-K Item 2.02 (results)β€”
Nov 13, 20238-K Item 2.02 (results)β€”

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.