Monitor for 144 filings or prospectus supplements indicating actual sales under this shelf, which could pressure the stock price due to incremental supply. The overhang from potential sales may weigh on near-term sentiment despite no immediate dilution.
Price Chart
Executive Summary
Alto Neuroscience's shelf registration (Form S-3) has become effective, allowing selling stockholders to offer up to 8,454,514 shares, including shares issuable upon exercise of pre-funded warrants. The company will not receive proceeds from the resale, except nominal amounts if warrants are exercised for cash.
Key Facts
- Shelf registration Form S-3 (File No. 333-294974) became effective on April 20, 2026.
- Up to 8,454,514 shares may be sold by selling stockholders, consisting of 3,832,263 existing shares and 4,622,251 shares underlying pre-funded warrants.
- The shares were acquired in a private placement on October 21, 2025.
- The company will not receive proceeds from the resale of shares, only nominal proceeds if pre-funded warrants are exercised at $0.0001 per share.
Financial Impact
Up to 8,454,514 shares may be sold over time, representing potential dilution; no proceeds to the company.
Risk Factors
- Potential share price pressure if selling stockholders offload large volumes quickly.
- Increased share float could lead to higher volatility.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| EFFECT Filing (Primary) | 9999999995-26-001257 |
| Document: 9999999995-26-001257-index.html | 9999999995-26-001257 |
| Document: 9999999995-26-001257.txt | 9999999995-26-001257 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 12, 2026 10w ago | Institutional Cluster | $32.30 $34.25 | ▲ +6.04% | ▲ +8.00% | $23.19 (−28.20%) |
Jul 14, 2026 15w ago | 8-K | $27.80 $25.90 | ▲ +6.83% | ▲ +5.54% | $23.19 (+16.58%) |
Jul 14, 2026 15w ago | 424B5 | $27.80 $25.90 | ▲ +6.83% | ▲ +5.54% | $23.19 (+16.58%) |
Jul 13, 2026 15w ago | 8-K | $28.03 $27.54 | ▼ −1.75% | ▼ −0.96% | $23.19 (−17.27%) |
Jun 11, 2026 19w ago | Institutional Cluster | $21.47 $22.74 | ▲ +5.92% | ▲ +5.24% | $23.19 (+8.01%) |
May 29, 2026 21w ago | 3 | $19.80 $18.26 | ▼ −7.78% | ▼ −5.03% | $23.19 (+17.12%) |
May 28, 2026 21w ago | 8-K | $20.22 $18.85 | ▼ −6.78% | ▼ −6.73% | $23.19 (+14.69%) |
May 13, 2026 23w ago | 8-K | $22.85 $20.45 | ▼ −10.50% | ▼ −9.35% | $23.19 (+1.49%) |
Apr 21, 2026 27w ago | EFFECT | $25.59 $24.47 | ▼ −4.38% | ▼ −5.46% | $23.19 (−9.38%) |
Apr 10, 2026 28w ago | S-3 | $25.75 $27.33 | ▲ +6.14% | ▲ +2.84% | $23.19 (−9.94%) |
US Market Status
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