Monitor for selling activity by the largest holders, especially Tees River Isotopes Fund (9.46M shares registered) and Bakken Limited (2.37M shares). The overhang will likely pressure the stock as the market absorbs potential supply. The company's pre-revenue status and lack of new capital from this filing reinforce the need to watch for further dilution or financing events.
Price Chart
Executive Summary
ASP Isotopes filed an automatic shelf registration (S-3ASR) to register 23,160,682 shares for resale by selling stockholders — shares issued to convert $109.2M of 8% Convertible Promissory Notes from subsidiary QLE. The company receives no proceeds; the filing creates a ~15% overhang that can be sold into the market at any time.
Key Facts
- 23,160,682 shares registered for resale, representing 15.1% of 153,309,380 shares outstanding post-issuance
- Shares issued in exchange for $109,181,606 principal plus accrued interest on 8% convertible notes due 2030
- Company receives no proceeds from the resale — this is a secondary offering by selling stockholders
- Largest selling stockholder: Tees River Isotopes Fund (10.9% pre-offering, offering 9,461,110 shares, leaving 4.7%)
- Company has not generated any revenue from enriched isotopes as of March 31, 2026 (per the 10-Q referenced)
- Renergen audit (acquired Jan 2026) included a going-concern explanatory paragraph
Financial Impact
Potential market overhang of ~15% of outstanding shares that can be sold at market prices; no cash proceeds to the company. The debt conversion eliminates $109.2M in subsidiary liabilities and future interest, but the dilution is certain and immediate.
Risk Factors
- Significant stock overhang could depress share price as selling stockholders offload positions
- Company remains pre-revenue from its core isotope business, increasing reliance on equity for funding
- No new capital raised — the filing does not improve the company's cash position
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 8 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| S-3ASR Filing (Primary) | 0001477932-26-004362 |
| Document: aspi_ex107.htm | 0001477932-26-004362 |
| Document: aspi_ex51.htm | 0001477932-26-004362 |
| Document: aspi_ex232.htm | 0001477932-26-004362 |
| Document: aspi_ex231.htm | 0001477932-26-004362 |
| Document: 0001477932-26-004362-index-headers.html | 0001477932-26-004362 |
| Document: 0001477932-26-004362-index.html | 0001477932-26-004362 |
| Document: 0001477932-26-004362.txt | 0001477932-26-004362 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | 8-K | $2.07 | awaiting T+5 | — | $2.03 (−2.18%) |
Oct 15, 2026 11d ago | 8-K | $2.21 $2.09 | ▼ −5.43% | ▼ −4.42% | $2.03 (−8.34%) |
Oct 2, 2026 24d ago | 8-K | $2.91 $2.65 | ▼ −8.93% | ▼ −10.10% | $2.03 (−30.39%) |
Sep 25, 2026 4w ago | 144 | $2.60 $2.93 | ▲ +12.69% | ▲ +11.49% | $2.03 (−22.09%) |
Sep 9, 2026 6w ago | 425 | $3.82 $3.15 | ▼ −17.54% | ▼ −16.44% | $2.03 (−46.97%) |
Sep 2, 2026 7w ago | 144 | $3.90 $3.31 | ▼ −15.13% | ▼ −13.98% | $2.03 (−48.06%) |
Aug 20, 2026 9w ago | 425 / 8-K | $3.95 $4.04 | ▲ +2.41% | ▲ +1.29% | $2.03 (−48.65%) |
Aug 18, 2026 9w ago | 8-K | $3.86 $4.00 | ▲ +3.63% | ▲ +3.83% | $2.03 (−47.52%) |
Aug 16, 2026 10w ago | Institutional Cluster | $4.02 $3.89 | ▼ −3.23% | ▼ −2.04% | $2.03 (−49.61%) |
Aug 5, 2026 11w ago | 425 | $4.10 $4.28 | ▲ +4.39% | ▲ +3.18% | $2.03 (−50.60%) |
US Market Status
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