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Annovis Bio, Inc.

ANVS · Pharmaceutical Preparations · 34.6M shares · +18%/yr ↑ dilution · EDGAR filings ↗

Reference price $1.75 · est. market cap ~$61M — last insider purchase, 2026-05-20 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

F40

Going-concern micro-cap with failed/inconclusive buntanetap trials and minimal cash.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $02025-09-30 · $02025-12-31 · $02026-03-31 · $0

Last 4 quarters · from SEC filings.

Key metrics

Return on equity
-171.2%
Return on assets
-136.9%
Tangible book value
$17M
Cash & investments
$20M

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-05-20Hoffman Michael BBuy2.6K$1.75
2026-05-20Hoffman Michael BBuy19K$1.80
2026-05-20Hoffman Michael BBuy55K$1.90
2026-04-02Hoffman Michael BBuy714K$2.10
2025-12-08Hoffman Michael BBuy30K$4.34
2025-12-08Hoffman Michael BBuy15K$4.24
2025-11-24Hoffman Michael BBuy1.5K$4.13
2025-11-24Hoffman Michael BBuy9.2K$3.85
2025-11-24Hoffman Michael BBuy415$4.14
2025-11-24Hoffman Michael BBuy28K$4.15
2025-11-24Hoffman Michael BBuy1.5K$4.13
2025-11-24Hoffman Michael BBuy9.2K$3.85
2025-11-24Hoffman Michael BBuy415$4.14
2025-11-24Hoffman Michael BBuy28K$4.15
2025-11-21Hoffman Michael BBuy10K$3.49
2025-11-21Hoffman Michael BBuy10K$3.50
2025-11-14Hoffman Michael BBuy15K$2.11
2025-10-28Maccecchini Maria-LuisaBuy98K$2.05
2025-10-28Hoffman Michael BBuy976K$2.05
2025-09-10Bruck ClaudineOption exercise7.1K$0.14
2025-08-29Hoffman Michael BGrant5.0K$2.28
2025-08-29Hoffman Michael BGrant5.0K$2.29
2025-08-29Hoffman Michael BGrant5.0K$2.30
2025-08-19Hoffman Michael BGrant6.7K$2.60
2025-08-19Hoffman Michael BGrant5.3K$2.59
2025-08-19Hoffman Michael BGrant5.5K$2.58
2025-08-19Hoffman Michael BGrant1.1K$2.57
2025-06-16Walsh AndrewGrant500$2.90
2025-06-13Hoffman Michael BGrant25K$2.80
2025-06-13Hoffman Michael BGrant1$2.83
2025-06-10McCarthy ReidGrant2.0K$2.95
2025-06-04Maccecchini Maria-LuisaGrant46K$3.37
2025-05-29Hoffman Michael BGrant5.0K$2.43

All non-derivative Form 4 activity (SEC), newest first.

Clinical trials

TrialTitlePhaseStatusPrimary completion
NCT07284784 ↗A Study of Buntanetap in Participants With PD
Parkinson's Disease (PD), Deep Brain Stimulation
PHASE2/PHASE3Recruiting2029-09-01
NCT06709014 ↗A Double-blind Dual Study Assessing Safety and Efficacy of Buntanetap in Participants With Early AD
Early Alzheimers Disease
PHASE3Active Not Recruiting2027-12-01
NCT05686044 ↗A Dose-ranging Study to Investigate Efficacy of Buntanetap in Mild to Moderate AD
Alzheimer Disease
PHASE2/PHASE3Completed2024-02-13
NCT05357989 ↗A Double-blind Study to Investigate Efficacy and Safety of Buntanetap Compared With Placebo in Participants With Early PD
Parkinson's Disease, Idiopathic
PHASE3Completed2023-12-04
NCT02925650 ↗Safety, Tolerability, PK and PD of Posiphen® in Subjects With Early Alzheimer's Disease
Alzheimer's Disease
PHASE1/PHASE2Completed2021-12-10
NCT04524351 ↗Posiphen® Dose-Finding, Biomarker Study in Early Alzheimer's and Parkinson's Patients
Alzheimer Disease, Parkinson Disease
PHASE1/PHASE2Completed2021-08-16
NCT01072812 ↗Study of the Pharmacokinetics and Pharmacodynamics of POSIPHEN® in Subjects With Amnestic Mild Cognitive Impairment
Alzheimer's Disease, Amnestic Mild Cognitive Impairment
PHASE1Terminated2010-07-01

Source: ClinicalTrials.gov (U.S. NIH) · active studies first.

Notable events (8-K)

DateItems
2026-06-17Shareholder voteExhibitsfiling ↗
2026-05-20Material agreementReg FDExhibitsfiling ↗
2026-05-15ResultsExhibitsfiling ↗
2026-04-10Material agreementReg FDExhibitsfiling ↗
2026-03-25Exec/director changeExhibitsfiling ↗
2026-03-16ResultsExhibitsfiling ↗
2026-02-12Reg FDExhibitsfiling ↗
2026-01-28Reg FDExhibitsfiling ↗

Recent filings

FormFiledPeriodAccession
8-K2026-06-172026-06-170001104659-26-075198 ↗
8-K2026-05-202026-05-200001104659-26-064514 ↗
10-Q2026-05-152026-03-310001104659-26-062626 ↗
8-K2026-05-152026-05-150001104659-26-062451 ↗
8-K2026-04-102026-04-090001104659-26-041584 ↗
8-K2026-03-252026-03-230001104659-26-034611 ↗
8-K2026-03-162026-03-160001104659-26-028574 ↗
10-K2026-03-132025-12-310001104659-26-027751 ↗
8-K2026-02-122026-02-120001104659-26-013948 ↗
8-K2026-01-282026-01-280001104659-26-007423 ↗
8-K2025-11-132025-11-120001104659-25-110548 ↗
10-Q2025-11-122025-09-300001104659-25-110393 ↗