ASP Isotopes Inc.
Total Trades
28
Buys
11
Sells
13
Largest Trade
N/A
Insiders
8
Institutional Funds
133
Inst. Value
$1M+
Activist Filings
18
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Mann Paul Elliot | Executive Chairman | SELL | $500K+ | 162K | $5.44 | Mar 3, 2026 |
| Kiessling Heather | CFO | SELL | $100K–$500K | 80K | $5.80 | Dec 30, 2025 |
| Ainscow Robert | Interim CEO and COO | SELL | $50K–$100K | 8K | $6.20 | Dec 12, 2025 |
| Mann Paul Elliot | Executive Chairman | SELL | $500K+ | 162K | $5.75 | Dec 4, 2025 |
| Ainscow Robert | Interim CEO and COO | SELL | $100K–$500K | 25K | $5.77 | Nov 29, 2025 |
| Mann Paul Elliot | Executive Officer | SELL | $1M+ | 163K | $6.97 | Nov 29, 2025 |
| Ainscow Robert | Interim CEO and COO | SELL | $500K+ | 68K | $7.51 | Nov 20, 2025 |
| Gorley Michael | Director | SELL | $500K+ | 64K | $9.75 | Oct 3, 2025 |
| Ainscow Robert | COO | EXERCISE | $100K–$500K | 297K | $1.12 | Sep 11, 2025 |
| Ainscow Robert | COO | SELL | $50K–$100K | 8K | $8.53 | Sep 11, 2025 |
| Mann Paul Elliot | CEO | EXERCISE | $1M+ | 1.2M | $2.00 | Sep 11, 2025 |
| Mann Paul Elliot | CEO | SELL | $1M+ | 162K | $8.46 | Sep 11, 2025 |
| Moore Duncan | Director | SELL | $500K+ | 75K | $9.28 | Sep 3, 2025 |
| Ainscow Robert | COO | SELL | $1M+ | 200K | $5.61 | Apr 17, 2025 |
| Mann Paul Elliot | CEO | SELL | $1M+ | 950K | $5.61 | Apr 17, 2025 |
| Ryan Robert John Andrew | Director | BUY | $50K–$100K | 21K | $3.38 | May 1, 2024 |
| Ryan Robert John Andrew | Director | BUY | $15K–$50K | 5K | $3.48 | Apr 30, 2024 |
| Ryan Robert John Andrew | Director | BUY | $15K–$50K | 10K | $3.42 | Apr 30, 2024 |
| Ryan Robert John Andrew | Director | GRANT | N/A | 50K | — | Feb 26, 2024 |
| Ryan Robert John Andrew | Director | BUY | $15K–$50K | 18K | $2.29 | Feb 26, 2024 |
| Moore Duncan | Director | GRANT | N/A | 200K | — | Oct 31, 2023 |
| Moore Duncan | Director | BUY | $100K–$500K | 104K | $0.96 | Oct 31, 2023 |
| Wider Todd | Director | BUY | $50K–$100K | 95K | $0.96 | Oct 31, 2023 |
| Donfeld Joshua Jay | Director | BUY | $100K–$500K | 104K | $0.96 | Oct 31, 2023 |
| Moore Duncan | Director | BUY | $15K–$50K | 100K | $0.50 | Jul 3, 2023 |
| Moore Duncan | Director | BUY | $1K–$15K | 20K | $0.31 | May 19, 2023 |
| Moore Duncan | Director | BUY | $1K–$15K | 10K | $0.50 | May 16, 2023 |
| Moore Duncan | Director | BUY | $15K–$50K | 20K | $1.00 | Apr 11, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 133 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Alyeska Investment Group, L.P. | 4.9M | $1M+ | SH |
| Rovida Investment Management Ltd | 4.1M | $1M+ | SH |
| AWM Investment Company, Inc. | 2.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $1M+ | SH |
| STATE STREET CORP | 1.8M | $1M+ | SH |
| EXCHANGE TRADED CONCEPTS, LLC | 1.4M | $1M+ | SH |
| BNP Paribas Asset Management Holding S.A. | 944K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 886K | $1M+ | SH |
| Telemark Asset Management, LLC | 825K | $1M+ | SH |
| Diametric Capital, LP | 737K | $1M+ | SH |
| WIM INVESTMENT MANAGEMENT Ltd | 601K | $1M+ | SH |
| PEAK6 LLC | 601K | $1M+ | SH (Call) |
| HITE Hedge Asset Management LLC | 450K | $1M+ | SH |
| GROUP ONE TRADING LLC | 444K | $1M+ | SH |
| Schonfeld Strategic Advisors LLC | 415K | $1M+ | SH |
| JANE STREET GROUP, LLC | 412K | $1M+ | SH |
| Pacer Advisors, Inc. | 404K | $1M+ | SH |
| Rathbones Group PLC | 400K | $1M+ | SH |
| Rathbones Group PLC | 400K | $1M+ | SH |
| Quantbot Technologies LP | 397K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
7.0%
7.8M shares
SC 13G/A · Feb 13, 2026
5.8%
620K shares
BNP Paribas Asset Management UK Ltd
SC 13G/A · Feb 9, 2026
0.9%
944K shares
SC 13G · Jan 30, 2026
5.8%
6.4M shares
Encompass Capital Advisors LLC
SC 13G · Jan 23, 2026
5.1%
6.4M shares
AK Jensen Investment Management Ltd
SC 13G/A · Nov 14, 2025
5.4%
5.0M shares
SC 13G · Aug 14, 2025
6.9%
620K shares
SC 13G/A · Aug 14, 2025
4.3%
3.9M shares
SC 13G · Aug 14, 2025
6.9%
620K shares
BNP Paribas Asset Management UK Ltd
SC 13G · Apr 11, 2025
5.1%
3.6M shares
SC 13G/A · Feb 18, 2025
10.8%
7.7M shares
SC 13G/A · Feb 18, 2025
11.9%
6.6M shares
SC 13G · Feb 14, 2025
14.2%
5.3M shares
AK Jensen Investment Management Limited
SC 13G/A · Feb 12, 2025
6.6%
4.7M shares
SC 13G · Feb 4, 2025
5.5%
4.0M shares
SC 13G · Nov 14, 2024
5.1%
3.7M shares
AK Jensen Investment Management Limited
SC 13G/A · Nov 7, 2024
8.2%
5.6M shares
AK Jensen Investment Management Limited
SC 13G · Nov 3, 2023
13.8%
6.5M shares