United States Pharmaceuticals

ASP Isotopes Inc (ASPI)

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ASP Isotopes Inc. experienced significant insider trading activity recently, characterized exclusively by proposed sales. Over the past ninety days, five distinct transactions occurred, totaling over 3.4 million dollars in value. These divestments coincide with a 19.1% decline in stock price, as the equity currently trades near its fifty-two-week low following the latest results financiers.
Ticker: ASPI Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for ASP Isotopes Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Proposed sale 30 Jun 2026
Value US$1,798,126.75 | Price 400.63 | Shares 29,213
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-30 2026-06-30 PrS Proposed sale
Ainscow Donald George

OFFICER

Officer
29,213
400.63
US$1,798,127 		29,213 400.63 US$1,798,127
2026-06-29 2026-06-29 PrS Proposed sale
Gorley Michael

DIRECTOR

Non-Executive Director
80,787
300.67
US$1,760,477 		80,787 300.67 US$1,760,477
2026-06-29 2026-06-29 PrS Proposed sale
3.8
Todd Wider

Director

Non-Executive Director
15,037
477.31
US$4,782,536 		15,037 477.31 US$4,782,536
2026-06-08 2026-06-08 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
8,438
6.89
US$58,138 		8,438 6.89 US$58,138
2026-06-01 2026-06-01 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
251,275
7.78
US$1,954,919 		251,275 7.78 US$1,954,919
2026-04-17 2026-04-16 PrS Proposed sale
Moore Duncan

DIRECTOR

Non-Executive Director
11,642
5.38
US$62,634 		11,642 5.38 US$62,634
2026-04-16 2026-04-16 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
22,500
5.38
US$121,050 		22,500 5.38 US$121,050
2026-04-15 2026-04-15 PrS Proposed sale
Heather Kiessling

Officer

Officer
46,248
5.00
US$231,240 		46,248 5.00 US$231,240
2026-04-13 2026-04-13 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
25,000
4.48
US$112,000 		25,000 4.48 US$112,000
2026-03-06 2026-03-06 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
8,438
5.11
US$43,118 		8,438 5.11 US$43,118
2026-03-02 2026-03-02 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
162,153
5.34
US$865,897 		162,153 5.34 US$865,897
2025-12-18 2025-12-18 PrS Proposed sale
Heather Kiessling

Chief Financial Officer

Officer
80,000
5.76
US$460,800 		80,000 5.76 US$460,800
2025-12-11 2025-12-08 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
8,438
6.12
US$51,641 		8,438 6.12 US$51,641
2025-11-25 2025-12-01 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
162,153
6.50
US$1,053,995 		162,153 6.50 US$1,053,995
2025-11-25 2025-11-25 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
50,000
6.50
US$325,000 		50,000 6.50 US$325,000
2025-11-17 2025-11-25 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
25,000
6.50
US$162,500 		25,000 6.50 US$162,500
2025-11-17 2025-11-17 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
67,500
6.50
US$438,750 		67,500 6.50 US$438,750
2025-11-25 2025-11-15 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
112,500
6.50
US$731,250 		112,500 6.50 US$731,250
2025-10-16 2025-10-14 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
22,500
13.32
US$299,700 		22,500 13.32 US$299,700
2025-09-12 2025-09-12 PrS Proposed sale
3.8
Todd Wider

Director

Non-Executive Director
75,000
8.77
US$657,750 		75,000 8.77 US$657,750
2025-09-08 2025-09-08 PrS Proposed sale
Ainscow Robert

Officer

Officer
8,438
8.20
US$69,192 		8,438 8.20 US$69,192
2025-09-08 2025-09-08 PrS Proposed sale
3.2
Mann Paul Elliot

Officer; Director; 10% Stockholder

Executive Director Large shareholder
8,438
8.20
US$69,192 		8,438 8.20 US$69,192
2025-08-29 2025-08-29 PrS Proposed sale
Moore Duncan

Director

Non-Executive Director
75,000
10.53
US$789,750 		75,000 10.53 US$789,750
2025-04-15 2025-04-15 PrS Proposed sale
Ainscow Robert

Officer

Officer
200,000
6.30
US$1,260,000 		200,000 6.30 US$1,260,000
2025-04-15 2025-04-15 PrS Proposed sale
3.2
Mann Paul Elliot

Officer; Director; 10% Stockholder

Executive Director Large shareholder
950,000
6.30
US$5,985,000 		950,000 6.30 US$5,985,000
2024-08-05 2024-08-02 S Sale
1.7
AK Jensen Investment Management Ltd
Large shareholder
80,000 -1.2%
2.23
US$178,296 		80,000 -1.2% 2.23 US$178,296
2024-08-05 2024-08-01 S Sale
1.7
AK Jensen Investment Management Ltd
Large shareholder
31,849 -0.5%
2.45
US$78,008 		31,849 -0.5% 2.45 US$78,008
2024-07-10 2024-07-10 B Purchase
1.7
AK Jensen Investment Management Ltd
Large shareholder
61,849 +0.9%
3.40
US$210,231 		61,849 +0.9% 3.40 US$210,231
2024-07-10 2024-07-09 B Purchase
1.7
AK Jensen Investment Management Ltd
Large shareholder
30,000 +0.5%
3.05
US$91,497 		30,000 +0.5% 3.05 US$91,497
2024-07-10 2024-07-08 B Purchase
1.7
AK Jensen Investment Management Ltd
Large shareholder
70,000 +1.1%
3.05
US$213,360 		70,000 +1.1% 3.05 US$213,360
2024-02-26 2024-01-29 B Purchase
3.7
Ryan Robert John Andrew
Non-Executive Director
15,596 +3.0%
2.35
US$36,651 		15,596 +3.0% 2.35 US$36,651
2024-02-26 2024-01-25 B Purchase
3.7
Ryan Robert John Andrew
Non-Executive Director
100 +0.0%
2.54
US$254 		100 +0.0% 2.54 US$254
2024-02-26 2024-01-17 B Purchase
3.7
Ryan Robert John Andrew
Non-Executive Director
100 +0.0%
1.91
US$191 		100 +0.0% 1.91 US$191
2024-02-26 2024-01-16 B Purchase
3.7
Ryan Robert John Andrew
Non-Executive Director
2,550 +0.5%
1.92
US$4,896 		2,550 +0.5% 1.92 US$4,896
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