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
F40Going-concern micro-cap with failed/inconclusive buntanetap trials and minimal cash.
Strengths
- FDA-cleared pivotal Phase 3 AD trial underway with a defined NDA pathway
- Some prior exploratory cognitive/biomarker signals in early AD/PD
Risks
- Explicit going-concern doubt with an auditor explanatory paragraph and only ~$19.5M cash (32nd pct) — near cash-out
- Negative pivotal reads: Phase 2/3 AD failed (placebo beat most arms; CGIC favored placebo) and Phase 3 PD showed no benefit plus a high-dose SAE imbalance
- Deeply negative returns (ROA 20th pct, ROE 15th pct); single binary asset
Notable findings
- Going concern● As a result of our history of operating losses and accumulated deficit, there is substantial doubt on our ability to continue as a going concern and therefore, an increased risk associated with an i
- Chronic dilutionShare count +18%/yr over 4y (dilution, book value/share -80%)
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Exec changeRecent 8-K item 5.02 8-K ↗
- Insider buyingInsider buying — 4 open-market buy(s) by 1 insider(s) (~$2M, last 6mo) Form 4 ↗
- Trial resultTrial topline data reported — see 8-K for outcome 8-K ↗
- Notable holderHeld by 3 notable fund(s): RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, STATE STREET CORP (as of 2026-03-31)
- New fund positionNotable fund(s) opened this quarter: RENAISSANCE TECHNOLOGIES LLC
Quarterly revenue
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
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-20 | Hoffman Michael B | Buy | 2.6K | $1.75 |
| 2026-05-20 | Hoffman Michael B | Buy | 19K | $1.80 |
| 2026-05-20 | Hoffman Michael B | Buy | 55K | $1.90 |
| 2026-04-02 | Hoffman Michael B | Buy | 714K | $2.10 |
| 2025-12-08 | Hoffman Michael B | Buy | 30K | $4.34 |
| 2025-12-08 | Hoffman Michael B | Buy | 15K | $4.24 |
| 2025-11-24 | Hoffman Michael B | Buy | 1.5K | $4.13 |
| 2025-11-24 | Hoffman Michael B | Buy | 9.2K | $3.85 |
| 2025-11-24 | Hoffman Michael B | Buy | 415 | $4.14 |
| 2025-11-24 | Hoffman Michael B | Buy | 28K | $4.15 |
| 2025-11-24 | Hoffman Michael B | Buy | 1.5K | $4.13 |
| 2025-11-24 | Hoffman Michael B | Buy | 9.2K | $3.85 |
| 2025-11-24 | Hoffman Michael B | Buy | 415 | $4.14 |
| 2025-11-24 | Hoffman Michael B | Buy | 28K | $4.15 |
| 2025-11-21 | Hoffman Michael B | Buy | 10K | $3.49 |
| 2025-11-21 | Hoffman Michael B | Buy | 10K | $3.50 |
| 2025-11-14 | Hoffman Michael B | Buy | 15K | $2.11 |
| 2025-10-28 | Maccecchini Maria-Luisa | Buy | 98K | $2.05 |
| 2025-10-28 | Hoffman Michael B | Buy | 976K | $2.05 |
| 2025-09-10 | Bruck Claudine | Option exercise | 7.1K | $0.14 |
| 2025-08-29 | Hoffman Michael B | Grant | 5.0K | $2.28 |
| 2025-08-29 | Hoffman Michael B | Grant | 5.0K | $2.29 |
| 2025-08-29 | Hoffman Michael B | Grant | 5.0K | $2.30 |
| 2025-08-19 | Hoffman Michael B | Grant | 6.7K | $2.60 |
| 2025-08-19 | Hoffman Michael B | Grant | 5.3K | $2.59 |
| 2025-08-19 | Hoffman Michael B | Grant | 5.5K | $2.58 |
| 2025-08-19 | Hoffman Michael B | Grant | 1.1K | $2.57 |
| 2025-06-16 | Walsh Andrew | Grant | 500 | $2.90 |
| 2025-06-13 | Hoffman Michael B | Grant | 25K | $2.80 |
| 2025-06-13 | Hoffman Michael B | Grant | 1 | $2.83 |
| 2025-06-10 | McCarthy Reid | Grant | 2.0K | $2.95 |
| 2025-06-04 | Maccecchini Maria-Luisa | Grant | 46K | $3.37 |
| 2025-05-29 | Hoffman Michael B | Grant | 5.0K | $2.43 |
All non-derivative Form 4 activity (SEC), newest first.
Clinical trials
| Trial | Title | Phase | Status | Primary completion |
|---|---|---|---|---|
| NCT07284784 ↗ | A Study of Buntanetap in Participants With PD Parkinson's Disease (PD), Deep Brain Stimulation | PHASE2/PHASE3 | Recruiting | 2029-09-01 |
| NCT06709014 ↗ | A Double-blind Dual Study Assessing Safety and Efficacy of Buntanetap in Participants With Early AD Early Alzheimers Disease | PHASE3 | Active Not Recruiting | 2027-12-01 |
| NCT05686044 ↗ | A Dose-ranging Study to Investigate Efficacy of Buntanetap in Mild to Moderate AD Alzheimer Disease | PHASE2/PHASE3 | Completed | 2024-02-13 |
| NCT05357989 ↗ | A Double-blind Study to Investigate Efficacy and Safety of Buntanetap Compared With Placebo in Participants With Early PD Parkinson's Disease, Idiopathic | PHASE3 | Completed | 2023-12-04 |
| NCT02925650 ↗ | Safety, Tolerability, PK and PD of Posiphen® in Subjects With Early Alzheimer's Disease Alzheimer's Disease | PHASE1/PHASE2 | Completed | 2021-12-10 |
| NCT04524351 ↗ | Posiphen® Dose-Finding, Biomarker Study in Early Alzheimer's and Parkinson's Patients Alzheimer Disease, Parkinson Disease | PHASE1/PHASE2 | Completed | 2021-08-16 |
| NCT01072812 ↗ | Study of the Pharmacokinetics and Pharmacodynamics of POSIPHEN® in Subjects With Amnestic Mild Cognitive Impairment Alzheimer's Disease, Amnestic Mild Cognitive Impairment | PHASE1 | Terminated | 2010-07-01 |
Source: ClinicalTrials.gov (U.S. NIH) · active studies first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-17 | Shareholder voteExhibits | filing ↗ |
| 2026-05-20 | Material agreementReg FDExhibits | filing ↗ |
| 2026-05-15 | ResultsExhibits | filing ↗ |
| 2026-04-10 | Material agreementReg FDExhibits | filing ↗ |
| 2026-03-25 | Exec/director changeExhibits | filing ↗ |
| 2026-03-16 | ResultsExhibits | filing ↗ |
| 2026-02-12 | Reg FDExhibits | filing ↗ |
| 2026-01-28 | Reg FDExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-17 | 2026-06-17 | 0001104659-26-075198 ↗ |
| 8-K | 2026-05-20 | 2026-05-20 | 0001104659-26-064514 ↗ |
| 10-Q | 2026-05-15 | 2026-03-31 | 0001104659-26-062626 ↗ |
| 8-K | 2026-05-15 | 2026-05-15 | 0001104659-26-062451 ↗ |
| 8-K | 2026-04-10 | 2026-04-09 | 0001104659-26-041584 ↗ |
| 8-K | 2026-03-25 | 2026-03-23 | 0001104659-26-034611 ↗ |
| 8-K | 2026-03-16 | 2026-03-16 | 0001104659-26-028574 ↗ |
| 10-K | 2026-03-13 | 2025-12-31 | 0001104659-26-027751 ↗ |
| 8-K | 2026-02-12 | 2026-02-12 | 0001104659-26-013948 ↗ |
| 8-K | 2026-01-28 | 2026-01-28 | 0001104659-26-007423 ↗ |
| 8-K | 2025-11-13 | 2025-11-12 | 0001104659-25-110548 ↗ |
| 10-Q | 2025-11-12 | 2025-09-30 | 0001104659-25-110393 ↗ |