ASP Isotopes Inc.
ASPI- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- SEC CIK
- 0001921865
Insider trades, last 90 days
0 buys · 8 sells
- Sold $2.79M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
185
- +8 vs. Q1 2026
- Total value $406.14M
Superinvestors holding ASPI
0
- None of the superinvestors held ASPI at the end of Q2 2026.
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by ASPI insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 10, 20269:45 PM ET | Sep 8, 2026 | Ainscow RobertCOO | SSaleCommon Stock | −8.44K | $4.292 | −$36.22K | 2.25M | −0.4% | SEC10b5-1 |
| Sep 4, 20269:33 PM ET | Sep 2, 2026 | Ainscow Donald GeorgeEVP, Gen Counsel, Secretary | SSaleCommon Stock | −23.68K | $3.89 | −$92.11K | 776.32K | −3.0% | SEC |
| Sep 4, 20269:32 PM ET | Sep 2, 2026 | Ainscow RobertCOO | SSaleCommon Stock | −25K | $3.905 | −$97.63K | 2.26M | −1.1% | SEC10b5-1 |
| Sep 4, 20269:30 PM ET | Sep 2 – Sep 4, 2026 | Mann Paul ElliotChairman and CEO | SSaleCommon Stock | −251.28K | $3.9767 | −$999.24K | 9.33M | −2.6% | SEC10b5-1 |
| Jul 2, 20269:45 PM ET | Jul 1, 2026 | Kiessling HeatherChief Financial Officer | SSaleCommon Stock | −23.12K | $6.28 | −$145.22K | 1.53M | −1.5% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in ASPI at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,217,198 | $57.33M | 0.00% | +889,054+10.7% | Added |
| Encompass Capital Advisors LLC | 6,561,754 | $40.81M | 1.76% | −350,300−5.1% | Reduced |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,982,953 | $30.99M | 0.00% | −77,511−1.5% | Reduced |
| Rovida Investment Management Ltd | 4,100,000 | $25.5M | 1.74% | 00.0% | Unchanged |
| UBS Group AG | 3,247,633 | $20.2M | 0.00% | +405,924+14.3% | Added |