United States Pharmaceuticals

ASP Isotopes Inc. (ASPI)

Track

Track

ASP Isotopes Inc. experienced ten insider trading transactions over the past ninety days, all involving proposed sales totaling approximately 3.3 million dollars. These divestments occurred amid a 53% decline in share value. Following the most recent earnings report, which showed an EPS beat, leadership and board members continued liquidating equity positions.
Ticker: ASPI Exchange: NAS
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for ASP Isotopes Inc.. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.8
Todd Wider Director Non-Executive Director
Transaction date
Proposed sale
Price
465.45
Quantity 510
Value US$2,824,557
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
24.75
Quantity 28,389
Value US$1,002,935
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
388.85
Quantity 10,777
Value US$2,548,438
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
3.78
Quantity 83,758
Value US$316,605
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
3.78
Quantity 83,758
Value US$316,605
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
3.78
Quantity 25,000
Value US$94,500
Donald George Ainscow Affiliate
Transaction date
Proposed sale
Price
3.89
Quantity 50,000
Value US$194,391
Ainscow Donald George OFFICER Officer
Transaction date
Proposed sale
Price
6.22
Quantity 100,000
Value US$622,000
Gorley Michael DIRECTOR Non-Executive Director
Transaction date
Proposed sale
Price
6.22
Quantity 30,000
Value US$186,600
3.8
Todd Wider Director Non-Executive Director
Transaction date
Proposed sale
Price
6.28
Quantity 100,000
Value US$628,000
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
6.89
Quantity 8,438
Value US$58,138
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
7.78
Quantity 251,275
Value US$1,954,919
Moore Duncan DIRECTOR Non-Executive Director
Transaction date
Proposed sale
Price
5.38
Quantity 11,642
Value US$62,634
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
5.38
Quantity 22,500
Value US$121,050
Heather Kiessling Officer Officer
Transaction date
Proposed sale
Price
5.00
Quantity 46,248
Value US$231,240
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
4.48
Quantity 25,000
Value US$112,000
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
5.11
Quantity 8,438
Value US$43,118
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
5.34
Quantity 162,153
Value US$865,897
Heather Kiessling Chief Financial Officer Officer
Transaction date
Proposed sale
Price
5.76
Quantity 80,000
Value US$460,800
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
6.12
Quantity 8,438
Value US$51,641
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
6.50
Quantity 162,153
Value US$1,053,995
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
6.50
Quantity 50,000
Value US$325,000
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
6.50
Quantity 25,000
Value US$162,500
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
6.50
Quantity 67,500
Value US$438,750
3.2
Mann Paul Elliot DIRECTOR; OFFICER Executive Director
Transaction date
Proposed sale
Price
6.50
Quantity 112,500
Value US$731,250
Ainscow Robert OFFICER Officer
Transaction date
Proposed sale
Price
13.32
Quantity 22,500
Value US$299,700
3.8
Todd Wider Director Non-Executive Director
Transaction date
Proposed sale
Price
8.77
Quantity 75,000
Value US$657,750
Ainscow Robert Officer Officer
Transaction date
Proposed sale
Price
8.20
Quantity 8,438
Value US$69,192
3.2
Mann Paul Elliot Officer; Director; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
8.20
Quantity 8,438
Value US$69,192
Moore Duncan Director Non-Executive Director
Transaction date
Proposed sale
Price
10.53
Quantity 75,000
Value US$789,750
Ainscow Robert Officer Officer
Transaction date
Proposed sale
Price
6.30
Quantity 200,000
Value US$1,260,000
3.2
Mann Paul Elliot Officer; Director; 10% Stockholder Executive Director Large shareholder
Transaction date
Proposed sale
Price
6.30
Quantity 950,000
Value US$5,985,000
3.7
Ryan Robert John Andrew Non-Executive Director
Transaction date
Purchase
Price
2.35
Quantity 15,596 +3.0%
Value US$36,651
3.7
Ryan Robert John Andrew Non-Executive Director
Transaction date
Purchase
Price
2.54
Quantity 100 +0.0%
Value US$254
3.7
Ryan Robert John Andrew Non-Executive Director
Transaction date
Purchase
Price
1.91
Quantity 100 +0.0%
Value US$191
3.7
Ryan Robert John Andrew Non-Executive Director
Transaction date
Purchase
Price
1.92
Quantity 2,550 +0.5%
Value US$4,896
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-25 2026-09-25 PrS Proposed sale
3.8
Todd Wider

Director

Non-Executive Director
510
465.45
US$2,824,557 		510 465.45 US$2,824,557
2026-09-02 2026-09-08 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
28,389
24.75
US$1,002,935 		28,389 24.75 US$1,002,935
2026-09-02 2026-09-04 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
10,777
388.85
US$2,548,438 		10,777 388.85 US$2,548,438
2026-09-02 2026-09-03 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
83,758
3.78
US$316,605 		83,758 3.78 US$316,605
2026-09-02 2026-09-02 PrS Proposed sale
3.2
Mann Paul Elliot

DIRECTOR; OFFICER

Executive Director
83,758
3.78
US$316,605 		83,758 3.78 US$316,605
2026-09-02 2026-09-02 PrS Proposed sale
Ainscow Robert

OFFICER

Officer
25,000
3.78
US$94,500 		25,000 3.78 US$94,500
2026-09-02 2026-09-02 PrS Proposed sale
Donald George Ainscow

Affiliate
50,000
3.89
US$194,391 		50,000 3.89 US$194,391
2026-06-30 2026-06-30 PrS Proposed sale
Ainscow Donald George

OFFICER

Officer
100,000
6.22
US$622,000 		100,000 6.22 US$622,000
2026-06-29 2026-06-29 PrS Proposed sale
Gorley Michael

DIRECTOR

Non-Executive Director
30,000
6.22
US$186,600 		30,000 6.22 US$186,600
2026-06-29 2026-06-29 PrS Proposed sale
3.8
Todd Wider

Director

Non-Executive Director
100,000
6.28
US$628,000 		100,000 6.28 US$628,000
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
Explore more

More insider trading research around ASP Isotopes Inc.

More insider trades in United States
Similar Healthcare companies with insider activity
More Pharmaceuticals & Medical Research companies with insider activity
More Pharmaceuticals companies with insider activity
Insider trading in North America