Monitor for immediate insider selling activity from Madryn affiliates. The overhang of potential supply could suppress the stock price despite recent insider buying. Traders should watch volume and price action for signs of distribution.
Price Chart
Executive Summary
Neuronetics' (STIM) S-3 shelf registration has become effective, allowing selling stockholders to immediately resell up to 20,737,061 shares. This follows a prior S-3 filing that disclosed a potential 30.3% dilution overhang from Madryn affiliates, creating immediate downward pressure risk for the stock.
Key Facts
- S-3 shelf registration became effective on 2026-04-10
- Registration permits resale of up to 20,737,061 shares by selling stockholders
- Selling stockholders are Madryn affiliates, representing 30.3% of outstanding shares
- Company receives no proceeds from the sales
- Market cap is $94M, making the potential share dump highly dilutive
Financial Impact
Potential sale of 30.3% of outstanding shares with no proceeds to the company
Risk Factors
- Significant downward pressure on stock price from large potential share sales
- No proceeds to company means no offsetting capital benefit from dilution
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| EFFECT Filing (Primary) | 9999999995-26-001144 |
| Document: 9999999995-26-001144-index.html | 9999999995-26-001144 |
| Document: 9999999995-26-001144.txt | 9999999995-26-001144 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 11, 2026 10w ago | 8-K | $3.19 $3.21 | ▲ +0.63% | ▲ +0.38% | $2.24 (−29.78%) |
Aug 11, 2026 10w ago | Press Release | $3.19 $3.21 | ▲ +0.63% | ▲ +0.38% | $2.24 (−29.78%) |
Jun 23, 2026 17w ago | 8-K | $1.26 $1.27 | ▲ +0.79% | ▲ +0.65% | $2.24 (+77.78%) |
May 22, 2026 22w ago | 8-K | $1.20 $1.22 | ▲ +1.67% | ▲ +1.08% | $2.24 (+86.67%) |
May 5, 2026 24w ago | 8-K | $2.17 $1.91 | ▼ −11.98% | ▼ −13.37% | $2.24 (+3.23%) |
May 5, 2026 24w ago | Press Release | $2.17 $1.91 | ▼ −11.98% | ▼ −13.37% | $2.24 (+3.23%) |
Apr 21, 2026 26w ago | Press Release | $1.50 $1.59 | ▲ +6.00% | ▲ +4.98% | $2.24 (+49.33%) |
Apr 13, 2026 28w ago | EFFECT | $1.39 $1.43 | ▼ −2.88% | ▼ −1.67% | $2.24 (−61.15%) |
Mar 19, 2026 31w ago | Insider Cluster | $1.52 $1.45 | ▼ −4.29% | ▼ −2.55% | $2.24 (+47.85%) |
Mar 19, 2026 31w ago | Insider Cluster | $1.52 $1.45 | ▼ −4.29% | ▼ −2.55% | $2.24 (+47.85%) |
US Market Status
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