ASP Isotopes Inc. (ASPI) insider trading.
In Q3 2026, insiders at ASP Isotopes Inc. reported 12 non-derivative transactions on 9 Forms 3, 4 and 5: 1 open-market purchase worth $22K and 11 sales worth $2.8M.
- Transactions
- 12
- Purchases (P)
- 1
- Sales (S)
- 11
- Net shares, P minus S
- -553,515
- Insiders
- 7
- Last filed
- 2026-09-30
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Mann Paul Elliot | Director, Officer · Chairman and CEO | 3 | 0 | 3 |
| Ainscow Robert | Officer · COO | 2 | 0 | 2 |
| Ainscow Donald George | Officer · EVP, Gen Counsel, Secretary | 2 | 0 | 2 |
| Wider Todd | Director | 2 | 0 | 2 |
| Ryan Robert John Andrew | Director | 1 | 1 | 0 |
| Kiessling Heather | Officer · Chief Financial Officer | 1 | 0 | 1 |
| Gorley Michael | Director | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-28 | Ryan Robert John Andrew | P (A) | 8,000 | $2.7 | 660,222 | Form 4 |
| 2026-09-08 | Ainscow Robert | S (D) | 8,438 | $4.29 | 2,248,441 | Form 4 |
| 2026-09-04 | Mann Paul Elliot | S (D) | 83,759 | $4.1 | 9,328,570 | Form 4 |
| 2026-09-03 | Mann Paul Elliot | S (D) | 83,758 | $3.92 | 9,412,329 | Form 4 |
| 2026-09-02 | Mann Paul Elliot | S (D) | 83,758 | $3.91 | 9,496,087 | Form 4 |
| 2026-09-02 | Ainscow Robert | S (D) | 25,000 | $3.91 | 2,256,879 | Form 4 |
| 2026-09-02 | Ainscow Donald George | S (D) | 23,678 | $3.89 | 776,322 | Form 4 |
| 2026-07-01 | Kiessling Heather | S (D) | 23,124 | $6.28 | 1,526,252 | Form 4 |
| 2026-06-30 | Ainscow Donald George | S (D) | 100,000 | $6.14 | 800,000 | Form 4 |
| 2026-06-30 | Gorley Michael | S (D) | 30,000 | $6.27 | 87,908 | Form 4 |
| 2026-06-30 | Wider Todd | S (D) | 50,000 | $6.12 | 672,247 | Form 4 |
| 2026-06-29 | Wider Todd | S (D) | 50,000 | $6.25 | 722,247 | Form 4 |
Transaction codes in this quarter
Get ASPI insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1921865&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ASPI company page · ASP Isotopes Inc. on SEC.gov
Questions
Are insiders buying or selling ASP Isotopes Inc. (ASPI)?
In Q3 2026, insiders at ASP Isotopes Inc. reported 12 non-derivative transactions on 9 Forms 3, 4 and 5: 1 open-market purchase worth $22K and 11 sales worth $2.8M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these ASP Isotopes Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/aspi.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.