There have been 50 recent insider transactions recorded for ASP Isotopes Inc. Common Stock (ASPI), including 21 buys and 24 sells. Total insider buying was valued at $972.23K and total insider selling at $15.41M.
Notable insiders with recent activity include Ainscow Robert, Mann Paul Elliot, Wider Todd. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ASPI
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-06 |
Ainscow Robert |
COO |
Informative Sell |
8,438 |
$5.44 |
$45.89K |
1,537,817 |
| 2026-03-02 |
Mann Paul Elliot |
Executive Chairman |
Informative Buy |
162,153 |
$5.44 |
$881.46K |
7,597,385 |
| 2025-12-18 |
Wider Todd |
Director |
RSU Award |
36,548 |
- |
- |
772,247 |
| 2025-12-18 |
Ryan Robert John Andrew |
Director |
RSU Award |
36,548 |
- |
- |
652,222 |
| 2025-12-18 |
Gorley Michael |
Director |
RSU Award |
36,548 |
- |
- |
117,908 |
| 2025-12-18 |
Hunter Ralph L. Jr |
Director |
RSU Award |
36,548 |
- |
- |
47,018 |
| 2025-12-18 |
Kiessling Heather |
Chief Financial Officer |
Informative Sell |
80,000 |
$5.80 |
$463.84K |
732,500 |
| 2025-12-08 |
Ainscow Robert |
Interim CEO and COO |
Informative Sell |
8,438 |
$6.20 |
$52.34K |
1,546,255 |
| 2025-12-01 |
Mann Paul Elliot |
Executive Chairman |
Informative Sell |
162,153 |
$5.75 |
$932.87K |
7,759,538 |
| 2025-11-25 |
Mann Paul Elliot |
Executive Officer |
Informative Sell |
50,000 |
$5.77 |
$288.45K |
7,921,691 |
| 2025-11-25 |
Ainscow Robert |
Interim CEO and COO |
Informative Sell |
25,000 |
$5.77 |
$144.23K |
1,554,693 |
| 2025-11-17 |
Ainscow Robert |
Interim CEO and COO |
Informative Sell |
67,500 |
$7.51 |
$506.72K |
1,579,693 |
| 2025-11-17 |
Mann Paul Elliot |
Executive Officer |
Informative Sell |
112,500 |
$7.51 |
$844.54K |
7,971,691 |
| 2025-11-12 |
Wider Todd |
Director |
RSU Award |
25,469 |
- |
- |
735,699 |
| 2025-10-14 |
Ainscow Robert |
Interim CEO and COO |
Informative Sell |
22,500 |
$13.60 |
$305.98K |
1,647,193 |
| 2025-09-30 |
Gorley Michael |
Director |
Informative Sell |
64,000 |
$9.75 |
$624.24K |
81,360 |
| 2025-09-15 |
Wider Todd |
Director |
Informative Sell |
74,108 |
$8.76 |
$648.82K |
710,230 |
| 2025-09-14 |
Wider Todd |
Director |
Option Exercise (Sell) |
96,000 |
$2.00 |
$192K |
- |
| 2025-09-09 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
Option Exercise (Sell) |
1,000,000 |
$2.00 |
$2M |
- |
| 2025-09-09 |
Ainscow Robert |
Chief Operating Officer |
Option Exercise (Sell) |
135,000 |
$2.00 |
$270K |
- |
| 2025-09-08 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
81,076 |
$8.53 |
$691.41K |
7,234,378 |
| 2025-09-08 |
Ainscow Robert |
Chief Operating Officer |
Informative Sell |
8,438 |
$8.53 |
$71.94K |
1,411,554 |
| 2025-09-06 |
Hunter Ralph L. Jr |
Director |
Unknown |
- |
- |
- |
- |
| 2025-09-06 |
Hunter Ralph L. Jr |
Director |
RSU Award |
10,470 |
- |
- |
10,470 |
| 2025-08-29 |
Moore Duncan |
Director |
Informative Sell |
75,000 |
$9.28 |
$696.23K |
994,553 |
| 2025-08-01 |
Ainscow Donald George |
EVP, Gen Counsel, Secretary |
Unknown |
- |
- |
- |
100,000 |
| 2025-08-01 |
Ainscow Donald George |
EVP, Gen Counsel, Secretary |
RSU Award |
400,000 |
- |
- |
500,000 |
| 2025-04-17 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
316,666 |
$5.62 |
$1.78M |
7,315,454 |
| 2025-04-17 |
Ainscow Robert |
Chief Operating Officer |
Informative Sell |
66,668 |
$5.62 |
$374.76K |
1,419,992 |
| 2025-04-16 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
316,667 |
$5.45 |
$1.72M |
7,632,120 |
| 2025-04-16 |
Ainscow Robert |
Chief Operating Officer |
Informative Sell |
66,666 |
$5.45 |
$363.02K |
1,486,660 |
| 2025-04-15 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
316,667 |
$5.75 |
$1.82M |
7,948,787 |
| 2025-04-15 |
Ainscow Robert |
Chief Operating Officer |
Informative Sell |
66,666 |
$5.75 |
$383.56K |
1,553,326 |
| 2025-04-14 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
RSU Award |
1,441,361 |
- |
- |
8,265,454 |
| 2025-04-14 |
Ainscow Robert |
Chief Operating Officer |
RSU Award |
400,000 |
- |
- |
1,619,992 |
| 2025-04-14 |
Kiessling Heather |
Chief Financial Officer |
RSU Award |
400,000 |
- |
- |
812,500 |
| 2024-12-31 |
Ryan Robert John Andrew |
Officer |
Unknown |
- |
- |
- |
- |
| 2024-12-31 |
Gorley Michael |
Officer |
Unknown |
- |
- |
- |
- |
| 2024-12-09 |
Moore Duncan |
Director |
RSU Award |
77,626 |
- |
- |
974,315 |
| 2024-11-20 |
Wider Todd |
Director |
RSU Award |
42,522 |
- |
- |
710,230 |
| 2024-11-20 |
Moore Duncan |
Director |
RSU Award |
42,522 |
- |
- |
896,689 |
| 2024-11-20 |
Ryan Robert John Andrew |
Director |
RSU Award |
42,522 |
- |
- |
614,624 |
| 2024-11-20 |
Gorley Michael |
Director |
RSU Award |
42,522 |
- |
- |
144,360 |
| 2024-10-11 |
Ak Jensen Investment Management Ltd |
10 Percent Owner |
RSU Award |
30,000 |
$3.03 |
$90.77K |
6,746,874 |
| 2024-10-10 |
Ak Jensen Investment Management Ltd |
10 Percent Owner |
Unknown |
- |
- |
- |
6,716,874 |
| 2024-09-06 |
Mann Paul Elliot |
10 Percent Owner, Officer: Chief Executive Officer |
RSU Award |
978,466 |
- |
- |
6,824,093 |
| 2024-09-06 |
Ainscow Robert |
Chief Operating Officer |
RSU Award |
300,000 |
- |
- |
1,219,992 |
| 2024-08-13 |
Wider Todd |
Director |
RSU Award |
77,626 |
- |
- |
572,470 |
| 2024-08-13 |
Gorley Michael |
Director |
RSU Award |
8,380 |
- |
- |
101,838 |
| 2024-08-02 |
Ak Jensen Investment Management Ltd |
10 Percent Owner |
Informative Sell |
80,000 |
$2.23 |
$178.3K |
6,566,874 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
