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ASPI
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ASP Isotopes Inc.

ASPI · Basic Materials · ASP Isotopes Inc., a development stage advanced materials company, engages in the production, distribution, marketing, and sale of isotopes…

ASP Isotopes Inc. (ASPI), in the Basic Materials sector, has 17 disclosed filings on Paydirt over the trailing twelve months from 6 corporate insiders: 0 purchases and 17 sales, 4 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 4 and filed Sep 5. The most active filer was Robert Ainscow with 6 filings.

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Filings, ttm
17
0 buys · 17 sells · 4 late
Traders, ttm
6
6 insiders
Volume, ttmiDollar value disclosed in the window
$9.7M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 4
Filed Sep 4
ADViAverage daily dollar volume
$18.5M
market data
Share price · 12M
$3.31 (-70.5%)
$14.05$8.68$3.31Sep 22 2025Mar 18Sep 11

Adjusted for splits and dividends.

Volume by month
$6.4M$3.2M$0Oct 2024Apr 2025Oct 2025Apr 2026Apr 2025 · sells $6.4MSep 2025 · sells $2.1MOct 2025 · sells $1.6MNov 2025 · sells $1.8MDec 2025 · sells $1.4MApr 2026 · sells $357KJun 2026 · sells $2.0MJul 2026 · sells $1.6MSep 2026 · sells $999K
Buys $0 Sells $18.2M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
RA Robert Ainscow Interim CEO and COO 6 filings PM Paul Elliot Mann Executive Officer 6 filings HK Heather Kiessling Chief Financial Officer 3 filings MG Michael Gorley Director 2 filings TW Todd Wider Director 2 filings DA Donald George Ainscow EVP, Gen Counsel, Secretary 1 filing DM Duncan Moore Director 1 filing
Recent filings
Paul Elliot MannSALE Chairman and CEO $999K
251,275 sh across 3 lots
Exec Sep 2
Filed Sep 4 · 9:30 PM ET Heather KiesslingSALE Chief Financial Officer $145K
23,124 sh × $6.28
Exec Jul 1
Filed Jul 2 · 9:45 PM ET Donald George AinscowSALE EVP, Gen Counsel, Secretary $614K
100,000 sh × $6.14
Exec Jun 30
Filed Jul 2 · 9:45 PM ET Todd WiderSALE Director $618K
100,000 sh across 2 lots
Exec Jun 29
Filed Jul 1 · 9:45 PM ET Michael GorleySALE Director $188K
30,000 sh × $6.27
Exec Jun 30
Filed Jul 1 · 9:45 PM ET Paul Elliot MannSALE Chairman and CEO $2.0M
251,275 sh across 3 lots
Exec Jun 1
Filed Jun 3 · 5:30 PM ET Heather KiesslingSALE Chief Financial Officer $127K
23,124 sh × $5.48
Exec Apr 15
Filed Apr 17 · 5:30 PM ET Robert AinscowSALE COO $117K
22,500 sh × $5.21
Exec Apr 16
Filed Apr 17 · 5:30 PM ET Robert AinscowSALE COO $113K
25,000 sh × $4.51
Exec Mar 6
Filed Apr 13 · 5:30 PM ET † Heather KiesslingSALE Chief Financial Officer $464K
80,000 sh × $5.80
Exec Dec 18 2025
Filed Dec 29 2025 · 5:30 PM ET † Paul Elliot MannSALE Executive Chairman $932K
162,153 sh × $5.75
Exec Dec 1 2025
Filed Dec 3 2025 · 5:30 PM ET Paul Elliot MannSALE Executive Officer $1.1M
162,500 sh across 2 lots
Exec Nov 17 2025
Filed Nov 28 2025 · 5:30 PM ET † Robert AinscowSALE Interim CEO and COO $144K
25,000 sh × $5.77
Exec Nov 25 2025
Filed Nov 28 2025 · 5:30 PM ET Robert AinscowSALE Interim CEO and COO $507K
67,500 sh × $7.51
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET Robert AinscowSALE Interim CEO and COO $306K
22,500 sh × $13.60
Exec Oct 14 2025
Filed Oct 16 2025 · 5:30 PM ET Todd WiderSALE Director $649K
74,108 sh × $8.76
Exec Sep 15 2025
Filed Oct 3 2025 · 5:30 PM ET † Michael GorleySALE Director $624K
64,000 sh × $9.75
Exec Sep 30 2025
Filed Oct 2 2025 · 5:30 PM ET Paul Elliot MannSALE Chief Executive Officer $1.4M
162,153 sh across 2 lots
Exec Sep 8 2025
Filed Sep 10 2025 · 5:30 PM ET Duncan MooreSALE Director $696K
75,000 sh × $9.28
Exec Aug 29 2025
Filed Sep 3 2025 · 5:30 PM ET Paul Elliot MannSALE Chief Executive Officer $5.3M
950,000 sh across 3 lots
Exec Apr 15 2025
Filed Apr 17 2025 · 5:30 PM ET Robert AinscowSALE Chief Operating Officer $1.1M
200,000 sh across 3 lots
Exec Apr 15 2025
Filed Apr 17 2025 · 5:30 PM ET