ASP Isotopes Inc. (ASPI) is a publicly traded company in the Unknown sector. Across all available filings, 13 corporate insiders have executed 81 transactions totaling $8.3M, demonstrating a bearish sentiment with -$6.2M in net insider flow. The most recent transaction on Dec 18, 2025 involved a transaction of 36,548 shares valued at $0.
No significant insider buying has been recorded for ASPI in the recent period.
No significant insider selling has been recorded for ASPI in the recent period.
Based on recent SEC filings, insider sentiment for ASPI is bearish with an Insider Alignment Score of 13/100 and a net flow of -$6.2M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at ASP Isotopes Inc. (ASPI) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 13 insiders are actively trading ASPI stock, having executed 81 transactions in the past 90 days. The most active insider is Paul Elliot Mann (Executive), who has made 15 transactions totaling $8.5M.
Get notified when executives and directors at ASPI file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | Gorley Michael | Executive | Award | 36,548 | $N/A | $0 | |
| Dec 18, 2025 | L. Hunter Ralph Jr | Executive | Award | 36,548 | $N/A | $0 | |
| Dec 18, 2025 | John Andrew Ryan Robert | Executive | Award | 36,548 | $N/A | $0 | |
| Dec 18, 2025 | Wider Todd | Executive | Award | 36,548 | $N/A | $0 | |
| Dec 18, 2025 | Kiessling Heather | Executive | Sale | 80,000 | $5.80 | $464.0K | |
| Dec 8, 2025 | Ainscow Robert | Executive | Sale | 8,438 | $6.20 | $52.3K | |
| Dec 1, 2025 | Elliot Mann Paul | Executive | Sale | 162,153 | $5.75 | $932.4K | Large |
| Nov 25, 2025 | Elliot Mann Paul | Executive | Sale | 50,000 | $5.77 | $288.5K | |
| Nov 25, 2025 | Ainscow Robert | Executive | Sale | 25,000 | $5.77 | $144.3K | |
| Nov 17, 2025 | Ainscow Robert | Executive | Sale | 67,500 | $7.51 | $506.9K | Large |
| Nov 17, 2025 | Elliot Mann Paul | Executive | Sale | 112,500 | $7.51 | $844.9K | Large |
| Nov 12, 2025 | Wider Todd | Executive | Award | 25,469 | $N/A | $0 | |
| Oct 14, 2025 | Ainscow Robert | Executive | Sale | 22,500 | $13.60 | $306.0K | |
| Sep 30, 2025 | Gorley Michael | Executive | Sale | 64,000 | $9.75 | $624.0K | Large |
| Sep 15, 2025 | Wider Todd | Executive | Sale | 74,108 | $8.76 | $649.2K | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 16 | $7.2M | 50.3% |
Exercise(M) | 6 | $3.0M | 20.6% |
Payment(F) | 6 | $3.0M | 20.6% |
Purchase(P) | 25 | $1.0M | 7.3% |
Award(A) | 28 | $150.0K | 1.0% |
Insider selling pressure at ASP Isotopes Inc. has increased, with 13 insiders executing 81 transactions across all time. Total sales of $7.2M significantly outpace purchases of $1.0M, resulting in a net outflow of $6.2M. This selling activity appears largely discretionary, which may warrant closer attention from investors.