ASP Isotopes Inc. (ASPI) Insider Trading Activity

NASDAQ$5.22
Market Cap
$487.58M
Sector
Basic Materials
Industry
Chemicals
Rank in Sector
76 of 152
Rank in Industry
10 of 12

ASPI Insider Trading Activity

ASPI Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$0
0
0
Sells
$13,399,471
20
100

Related Transactions

Kiessling HeatherChief Financial Officer
0
$0
1
$463,840
$-463,840
Gorley Michaeldirector
0
$0
1
$624,237
$-624,237
Wider Todddirector
0
$0
1
$648,823
$-648,823
Moore Duncandirector
0
$0
1
$696,233
$-696,233
Ainscow RobertChief Operating Officer
0
$0
8
$2.2M
$-2.2M
Mann Paul ElliotChief Executive Officer
0
$0
8
$8.76M
$-8.76M

About ASP Isotopes Inc.

ASP Isotopes Inc., a pre-commercial stage advanced materials company, focuses on the production, distribution, marketing, and sale of isotopes. It develops Molybdenum-100, a non-radioactive isotope for the medical industry; Carbon-14; and Silicon-28. The company also Uranium-235, an isotope of uranium for carbon-free energy industry. ASP Isotopes Inc. was incorporated in 2021 and is based in Boca Raton, Florida.

Insider Activity of ASP Isotopes Inc.

Over the last 12 months, insiders at ASP Isotopes Inc. have bought $0 and sold $13.4M worth of ASP Isotopes Inc. stock.

On average, over the past 5 years, insiders at ASP Isotopes Inc. have bought $599,340 and sold $6.83M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 39,984 shares for transaction amount of $99,960 was made by Mann Paul Elliot (Chief Executive Officer) on 2024‑07‑15.

List of Insider Buy and Sell Transactions, ASP Isotopes Inc.

2025-12-18SaleKiessling HeatherChief Financial Officer
80,000
0.0858%
$5.80
$463,840
+8.55%
2025-12-08SaleAinscow RobertInterim CEO and COO
8,438
0.0092%
$6.20
$52,341
+0.08%
2025-12-01SaleMann Paul ElliotExecutive Chairman
162,153
0.179%
$5.75
$932,866
+9.68%
2025-11-25SaleMann Paul ElliotExecutive Officer
50,000
0.0517%
$5.77
$288,450
+1.84%
2025-11-25SaleAinscow RobertInterim CEO and COO
25,000
0.0259%
$5.77
$144,225
+1.84%
2025-11-17SaleMann Paul ElliotExecutive Officer
112,500
0.1269%
$7.51
$844,538
-15.12%
2025-11-17SaleAinscow RobertInterim CEO and COO
67,500
0.0761%
$7.51
$506,723
-15.12%
2025-10-14SaleAinscow RobertInterim CEO and COO
22,500
0.0237%
$13.60
$305,978
-52.60%
2025-09-30SaleGorley Michaeldirector
64,000
0.0706%
$9.75
$624,237
-24.87%
2025-09-15SaleWider Todddirector
74,108
0.0762%
$8.76
$648,823
-19.01%
2025-09-09SaleMann Paul ElliotChief Executive Officer
81,077
0.0871%
$8.39
$680,123
-10.24%
2025-09-08SaleMann Paul ElliotChief Executive Officer
81,076
0.0882%
$8.53
$691,408
-10.43%
2025-09-08SaleAinscow RobertChief Operating Officer
8,438
0.0092%
$8.53
$71,945
-10.43%
2025-08-29SaleMoore Duncandirector
75,000
0.0816%
$9.28
$696,233
-16.19%
2025-04-17SaleMann Paul ElliotChief Executive Officer
316,666
0.5405%
$5.62
$1.78M
+34.08%
2025-04-17SaleAinscow RobertChief Operating Officer
66,668
0.1138%
$5.62
$374,761
+34.08%
2025-04-16SaleMann Paul ElliotChief Executive Officer
316,667
0.5236%
$5.45
$1.72M
+37.43%
2025-04-16SaleAinscow RobertChief Operating Officer
66,666
0.1102%
$5.45
$363,023
+37.43%
2025-04-15SaleMann Paul ElliotChief Executive Officer
316,667
0.5532%
$5.75
$1.82M
+36.30%
2025-04-15SaleAinscow RobertChief Operating Officer
66,666
0.1165%
$5.75
$383,563
+36.30%
Total: 42
*Gray background shows transactions not older than one year

Insider Historical Profitability

101.8%
Mann Paul ElliotExecutive Chairman
7759538
8.3073%
$40.5M18
+28.85%
Ainscow RobertInterim CEO and COO
1546255
1.6554%
$8.07M18
+28.85%
Moore Duncandirector
994553
1.0648%
$5.19M51
+213.82%
Kiessling HeatherChief Financial Officer
732500
0.7842%
$3.82M01
Wider Todddirector
710230
0.7604%
$3.71M11
+178.1%
Gorley Michaeldirector
81360
0.0871%
$424,699.2001
AK Jensen Investment Management Ltd10 percent owner
6566874
7.0304%
$34.28M32
+52.81%
Donfeld Joshua Jaydirector
1104167
1.1821%
$5.76M10
+178.1%
Ryan Robert John Andrewdirector
572102
0.6125%
$2.99M80
+49.32%
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$81,289,914
402
15.17%
$442.36M
$114,765,477
174
142.31%
$164.7M
$26,260,799
146
32.39%
$708.65M
$52,115,428
90
14.49%
$751.44M
$262,155,168
88
30.74%
$2.3B
$20,462,668
57
-3.38%
$1.24B
$143,885,869
56
20.54%
$6.44B
$4,919,262
38
-2.65%
$501.01M
$3,564,766
31
1.39%
$552.13M
$5,197,776
21
8.64%
$23.31B
ASP Isotopes Inc.
(ASPI)
$1,198,681
20
101.80%
$487.58M
$9,043,190
13
-13.00%
$23.86M

ASPI Institutional Investors: Active Positions

Increased Positions130+132.65%21M+49.58%
Decreased Positions43-43.88%8M-17.91%
New Positions50New4MNew
Sold Out Positions18Sold Out1MSold Out
Total Postitions185+88.78%57M+31.67%

ASPI Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Blackrock, Inc.$30,745.004.92%5.46M+1M+35.55%2025-09-30
Vanguard Group Inc$25,429.004.07%4.52M+1M+37.88%2025-09-30
Rovida Investment Management Ltd$18,016.002.88%3.2M+1M+45.45%2025-09-30
Awm Investment Company, Inc.$16,657.002.67%2.96M-972,590-24.74%2025-09-30
Alyeska Investment Group, L.P.$15,892.002.54%2.82M-1M-32.47%2025-09-30
Capital Research Global Investors$11,505.001.84%2.04M-824,495-28.75%2025-09-30
Geode Capital Management, Llc$10,486.001.68%1.86M+514,383+38.16%2025-09-30
Philadelphia Financial Management Of San Francisco, Llc$9,354.001.5%1.66M-1M-37.78%2025-09-30
Driehaus Capital Management Llc$7,994.001.28%1.42M+14,423+1.03%2025-09-30
State Street Corp$7,914.001.27%1.41M+291,532+26.16%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.