Sign inGet started

ASPI

ASP Isotopes Inc.CIK 1921865 ☆ Sign in to watchCongress trades
Open-mkt buys · 90d
$83.4K
3 trades · 1 insiders
Open-mkt sales · 90d
$2.55M
14 trades · 4 insiders
Net · 90d
$-2.46M
Insiders on file
13

AI insights for ASPI PRO

XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
AI insights for ASPI
Insider sentiment score with a plain-English explanation, conviction score on every buy, and how the stock performed 30 and 90 days after past insider buys.
Upgrade to Pro · $99/yearAlready Pro? Log in

Daily buy vs sell · 90 days

$1.03M2026-09-02 buys — 2026-09-02 sales $1.03M09-022026-09-03 buys — 2026-09-03 sales $656.7K09-032026-09-04 buys — 2026-09-04 sales $686.8K09-042026-09-08 buys — 2026-09-08 sales $72.4K09-082026-09-28 buys $43.2K 2026-09-28 sales —09-282026-09-30 buys $40.2K 2026-09-30 sales —09-302026-10-14 buys — 2026-10-14 sales $47.6K10-142026-10-16 buys — 2026-10-16 sales $47.8K10-16
■ Open-market buys (P)   ■ Open-market sales (S) · daily dollar value by transaction date

Insiders

InsiderRoleTradesBoughtSoldLast trade
Kiessling HeatherChief Financial Officer7$0$783.7K2026-10-16
Ainscow RobertInterim CEO and COO32$0$2.85M2026-10-14
Ryan Robert John AndrewDirector18$244.8K$02026-09-30
Mann Paul ElliotExecutive Officer32$0$13.65M2026-09-04
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary5$0$798.2K2026-09-02
Gorley MichaelDirector6$0$812.1K2026-06-30
Wider ToddDirector13$91.1K$1.27M2026-06-30
Moore DuncanDirector15$181.2K$756.7K2026-04-16
Hunter Ralph L. JRDirector2$0$02025-12-18
AK Jensen Investment Management Ltd10% Owner6$515.3K$256.4K2024-10-11
Donfeld Joshua JayDirector2$100.0K$02023-10-26
Vasnetsov SergeyDirector3$0$02023-03-01
Strydom HendrikDirector, 10% Owner1$0$02022-11-15

Trade history

InsiderRoleCodeTradeFiledSharesPriceValueOwned after
Kiessling HeatherChief Financial Officer S Sale2026-10-162026-10-2121,830$2.19 $47.8K1,504,422SEC↗
Ainscow RobertCOO S Sale2026-10-142026-10-1622,500$2.11 $47.6K2,225,941SEC↗
Ryan Robert John AndrewDirector P Buy2026-09-302026-10-0115,000$2.68 $40.2K675,222SEC↗
Ryan Robert John AndrewDirector P Buy2026-09-282026-09-308,000$2.70 $21.6K660,222SEC↗
Ryan Robert John AndrewDirector P Buy2026-09-282026-09-308,000$2.70 $21.6K660,222SEC↗
Ainscow RobertCOO S Sale2026-09-082026-09-108,438$4.29 $36.2K2,248,441SEC↗
Ainscow RobertCOO S Sale2026-09-082026-09-108,438$4.29 $36.2K2,248,441SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-09-042026-09-0483,759$4.10 $343.4K9,328,570SEC↗
Mann Paul ElliotChairman and CEO, Director S Sale2026-09-042026-09-0483,759$4.10 $343.4K9,328,570SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-09-032026-09-0483,758$3.92 $328.3K9,412,329SEC↗
Mann Paul ElliotChairman and CEO, Director S Sale2026-09-032026-09-0483,758$3.92 $328.3K9,412,329SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-09-022026-09-0483,758$3.91 $327.5K9,496,087SEC↗
Ainscow RobertCOO S Sale2026-09-022026-09-0425,000$3.91 $97.8K2,256,879SEC↗
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary S Sale2026-09-022026-09-0423,678$3.89 $92.1K776,322SEC↗
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary S Sale2026-09-022026-09-0423,678$3.89 $92.1K776,322SEC↗
Ainscow RobertCOO S Sale2026-09-022026-09-0425,000$3.90 $97.6K2,256,879SEC↗
Mann Paul ElliotChairman and CEO, Director S Sale2026-09-022026-09-0483,758$3.91 $327.5K9,496,087SEC↗
Kiessling HeatherChief Financial Officer S Sale2026-07-012026-07-0223,124$6.28 $145.2K1,526,252SEC↗
Gorley MichaelDirector S Sale2026-06-302026-07-0130,000$6.27 $188.1K87,908SEC↗
Wider ToddDirector S Sale2026-06-302026-07-0150,000$6.12 $306.0K672,247SEC↗
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary S Sale2026-06-302026-07-02100,000$6.14 $614.0K800,000SEC↗
Wider ToddDirector S Sale2026-06-292026-07-0150,000$6.25 $312.5K722,247SEC↗
Ainscow RobertCOO S Sale2026-06-082026-06-108,438$7.00 $59.1K2,281,879SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-06-032026-06-0383,759$7.76 $650.0K9,579,845SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-06-022026-06-0383,758$8.29 $694.4K9,663,424SEC↗
Mann Paul ElliotChairman and CEO S Sale2026-06-012026-06-0383,758$7.88 $660.0K9,747,182SEC↗
Kiessling HeatherChief Financial Officer A Award2026-05-282026-06-03840,000— $01,549,376SEC↗
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary A Award2026-05-282026-06-03400,000— $0900,000SEC↗
Ainscow RobertChief Operating Officer A Award2026-05-282026-06-03800,000— $02,290,317SEC↗
Mann Paul ElliotChairman and CEO A Award2026-05-282026-06-032,233,555— $09,830,940SEC↗
Moore DuncanDirector S Sale2026-04-162026-04-1711,642$5.21 $60.7K1,044,928SEC↗
Ainscow RobertCOO S Sale2026-04-162026-04-1722,500$5.21 $117.2K1,490,317SEC↗
Kiessling HeatherChief Financial Officer S Sale2026-04-152026-04-1723,124$5.48 $126.7K709,376SEC↗
Ainscow RobertCOO S Sale2026-03-062026-04-1325,000$4.51 $112.8K1,512,817SEC↗
Ainscow RobertCOO S Sale2026-03-062026-03-068,438$5.44 $45.9K1,537,817SEC↗
Mann Paul ElliotExecutive Chairman S Sale2026-03-022026-03-02162,153$5.44 $882.1K7,597,385SEC↗
Moore DuncanDirector A Award2025-12-182026-04-1736,548— $01,056,570SEC↗
Gorley MichaelDirector A Award2025-12-182025-12-2236,548— $0117,908SEC↗
Hunter Ralph L. JRDirector A Award2025-12-182025-12-2236,548— $047,018SEC↗
Ryan Robert John AndrewDirector A Award2025-12-182025-12-2236,548— $0652,222SEC↗
Wider ToddDirector A Award2025-12-182025-12-2236,548— $0772,247SEC↗
Kiessling HeatherChief Financial Officer S Sale2025-12-182025-12-2980,000$5.80 $464.0K732,500SEC↗
Ainscow RobertInterim CEO and COO S Sale2025-12-082025-12-118,438$6.20 $52.3K1,546,255SEC↗
Mann Paul ElliotExecutive Chairman S Sale2025-12-012025-12-03162,153$5.75 $932.4K7,759,538SEC↗
Mann Paul ElliotExecutive Officer S Sale2025-11-252025-11-2850,000$5.77 $288.5K7,921,691SEC↗
Ainscow RobertInterim CEO and COO S Sale2025-11-252025-11-2825,000$5.77 $144.3K1,554,693SEC↗
Ainscow RobertInterim CEO and COO S Sale2025-11-172025-11-1967,500$7.51 $506.9K1,579,693SEC↗
Mann Paul ElliotExecutive Officer S Sale2025-11-172025-11-28112,500$7.51 $844.9K7,971,691SEC↗
Moore DuncanDirector A Award2025-11-122026-04-1725,469— $01,020,022SEC↗
Wider ToddDirector A Award2025-11-122025-11-1425,469— $0735,699SEC↗
Ainscow RobertInterim CEO and COO S Sale2025-10-142025-10-1622,500$13.60 $306.0K1,647,193SEC↗
Gorley MichaelDirector S Sale2025-09-302025-10-0264,000$9.75 $624.0K81,360SEC↗
Wider ToddDirector S Sale2025-09-152025-10-0374,108$8.76 $649.2K710,230SEC↗
Wider ToddDirector M Exercise deriv2025-09-142025-10-0396,000— $00SEC↗
Wider ToddDirector M Exercise2025-09-142025-10-0396,000$2.00 $192.0K806,230SEC↗
Wider ToddDirector F Tax w/h2025-09-142025-10-0321,892$8.77 $192.0K784,338SEC↗
Mann Paul ElliotChief Executive Officer M Exercise deriv2025-09-092025-09-10216,000— $00SEC↗
Mann Paul ElliotChief Executive Officer M Exercise deriv2025-09-092025-09-101,000,000— $00SEC↗
Ainscow RobertChief Operating Officer M Exercise deriv2025-09-092025-09-10150,000— $00SEC↗
Ainscow RobertChief Operating Officer M Exercise deriv2025-09-092025-09-10135,000— $00SEC↗
Ainscow RobertChief Operating Officer M Exercise deriv2025-09-092025-09-1012,000— $00SEC↗
Mann Paul ElliotChief Executive Officer F Tax w/h2025-09-092025-09-10234,466$8.53 $2.00M8,165,268SEC↗
Mann Paul ElliotChief Executive Officer M Exercise2025-09-092025-09-101,000,000$2.00 $2.00M8,399,734SEC↗
Mann Paul ElliotChief Executive Officer M Exercise2025-09-092025-09-10216,000$2.00 $432.0K7,450,378SEC↗
Mann Paul ElliotChief Executive Officer S Sale2025-09-092025-09-1081,077$8.39 $680.2K8,084,191SEC↗
Mann Paul ElliotChief Executive Officer F Tax w/h2025-09-092025-09-1050,644$8.53 $432.0K7,399,734SEC↗
Ainscow RobertChief Operating Officer M Exercise2025-09-092025-09-1012,000$2.00 $24.0K1,569,158SEC↗
Ainscow RobertChief Operating Officer M Exercise2025-09-092025-09-10135,000$2.00 $270.0K1,701,345SEC↗
Ainscow RobertChief Operating Officer F Tax w/h2025-09-092025-09-102,813$8.53 $24.0K1,566,345SEC↗
Ainscow RobertChief Operating Officer F Tax w/h2025-09-092025-09-1031,652$8.53 $270.0K1,669,693SEC↗
Ainscow RobertChief Operating Officer F Tax w/h2025-09-092025-09-104,396$8.53 $37.5K1,557,158SEC↗
Ainscow RobertChief Operating Officer M Exercise2025-09-092025-09-10150,000$0.25 $37.5K1,564,554SEC↗
Mann Paul ElliotChief Executive Officer S Sale2025-09-082025-09-1081,076$8.53 $691.6K7,234,378SEC↗
Ainscow RobertChief Operating Officer S Sale2025-09-082025-09-108,438$8.53 $72.0K1,411,554SEC↗
Hunter Ralph L. JRDirector A Award2025-09-062025-11-2810,470— $010,470SEC↗
Moore DuncanDirector S Sale2025-08-292025-09-0375,000$9.28 $696.0K994,553SEC↗
Ainscow Donald GeorgeEVP, Gen Counsel, Secretary A Award2025-08-012025-11-28400,000— $0500,000SEC↗
Mann Paul ElliotChief Executive Officer S Sale2025-04-172025-04-17316,666$5.62 $1.78M7,315,454SEC↗
Ainscow RobertChief Operating Officer S Sale2025-04-172025-04-1766,668$5.62 $374.7K1,419,992SEC↗
Mann Paul ElliotChief Executive Officer S Sale2025-04-162025-04-17316,667$5.45 $1.73M7,632,120SEC↗
Ainscow RobertChief Operating Officer S Sale2025-04-162025-04-1766,666$5.45 $363.3K1,486,660SEC↗
Mann Paul ElliotChief Executive Officer S Sale2025-04-152025-04-17316,667$5.75 $1.82M7,948,787SEC↗
Ainscow RobertChief Operating Officer S Sale2025-04-152025-04-1766,666$5.75 $383.3K1,553,326SEC↗
Mann Paul ElliotChief Executive Officer A Award2025-04-142025-04-151,441,361— $08,265,454SEC↗
Kiessling HeatherChief Financial Officer A Award2025-04-142025-04-15400,000— $0812,500SEC↗
Ainscow RobertChief Operating Officer A Award2025-04-142025-04-15400,000— $01,619,992SEC↗
Moore DuncanDirector A Award2024-12-092024-12-1195,238— $01,069,553SEC↗
Moore DuncanDirector A Award2024-12-092024-12-1177,626— $0974,315SEC↗
Gorley MichaelDirector A Award2024-11-202024-11-2142,522— $0144,360SEC↗
Ryan Robert John AndrewDirector A Award2024-11-202024-11-2142,522— $0614,624SEC↗
Moore DuncanDirector A Award2024-11-202024-11-2142,522— $0896,689SEC↗
Wider ToddDirector A Award2024-11-202024-11-2142,522— $0710,230SEC↗
AK Jensen Investment Managemen10% Owner A Award2024-10-112024-10-1630,000$3.03 $90.9K6,746,874SEC↗
Mann Paul ElliotChief Executive Officer A Award2024-09-062024-09-10978,466— $06,824,093SEC↗
Ainscow RobertChief Operating Officer A Award2024-09-062024-09-10300,000— $01,219,992SEC↗
Gorley MichaelDirector A Award2024-08-132024-08-148,380— $0101,838SEC↗
Wider ToddDirector A Award2024-08-132024-08-1477,626— $0572,470SEC↗
Wider ToddDirector A Award2024-08-132024-08-1495,238— $0667,708SEC↗
AK Jensen Investment Managemen10% Owner S Sale2024-08-022024-08-0580,000$2.23 $178.4K6,566,874SEC↗
AK Jensen Investment Managemen10% Owner S Sale2024-08-012024-08-0531,849$2.45 $78.0K6,646,874SEC↗
Mann Paul ElliotChief Executive Officer P Buy2024-07-152024-07-1539,984— $05,845,627SEC↗
Ainscow RobertChief Operating Officer P Buy2024-07-152024-07-1519,992— $0919,992SEC↗
AK Jensen Investment Managemen10% Owner P Buy2024-07-102024-07-1061,849$3.40 $210.3K6,678,723SEC↗
AK Jensen Investment Managemen10% Owner P Buy2024-07-092024-07-1030,000$3.05 $91.5K6,616,874SEC↗
AK Jensen Investment Managemen10% Owner P Buy2024-07-082024-07-1070,000$3.05 $213.5K6,586,874SEC↗
Kiessling HeatherChief Financial Officer A Award2024-07-012024-07-01400,000— $0412,500SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-302024-05-017,500$3.34 $25.1K572,102SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-302024-05-013,734$3.72 $13.9K559,602SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-302024-05-015,000$3.36 $16.8K564,602SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-292024-05-014,313$3.20 $13.8K555,868SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-262024-04-305,000$3.48 $17.4K551,555SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-252024-04-292,000$3.40 $6.8K546,555SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-252024-04-292,500$3.46 $8.7K544,555SEC↗
Ryan Robert John AndrewDirector P Buy2024-04-252024-04-295,000$3.40 $17.0K542,055SEC↗
Ryan Robert John AndrewDirector P Buy2024-01-292024-02-2615,596$2.35 $36.7K537,055SEC↗
Ryan Robert John AndrewDirector P Buy2024-01-252024-02-26100$2.54 $254521,459SEC↗
Ryan Robert John AndrewDirector P Buy2024-01-172024-02-26100$1.91 $191521,359SEC↗
Ryan Robert John AndrewDirector P Buy2024-01-162024-02-262,550$1.92 $4.9K521,259SEC↗
Ryan Robert John AndrewDirector A Award2024-01-142024-02-2650,251— $0518,709SEC↗
Donfeld Joshua JayDirector P Buy2023-10-262023-10-30104,167$0.96 $100.0K1,104,167SEC↗
Wider ToddDirector P Buy2023-10-262023-10-3094,844$0.96 $91.1K494,844SEC↗
Moore DuncanDirector P Buy2023-10-262023-10-30104,167$0.96 $100.0K854,167SEC↗
Gorley MichaelDirector A Award2023-10-232024-02-2693,458— $093,458SEC↗
Moore DuncanDirector A Award2023-08-102023-10-30200,000— $0750,000SEC↗
Moore DuncanDirector P Buy2023-06-292023-07-0350,000$0.50 $25.0K500,000SEC↗
Moore DuncanDirector P Buy2023-06-292023-07-0350,000$0.50 $25.0K550,000SEC↗
Moore DuncanDirector P Buy2023-05-182023-05-1920,000$0.31 $6.2K450,000SEC↗
Moore DuncanDirector P Buy2023-05-102023-05-1610,000$0.50 $5.0K430,000SEC↗
Moore DuncanDirector P Buy2023-04-062023-04-1120,000$1.00 $20.0K420,000SEC↗
Mann Paul ElliotChief Executive Officer A Award2023-03-012023-03-08718,143— $05,805,643SEC↗
Vasnetsov SergeyDirector A Award2023-03-012023-03-08538,607— $03,838,607SEC↗
Mann Paul ElliotChief Executive Officer A Award2022-12-302023-02-171,000,000— $05,087,500SEC↗
Ainscow RobertChief Financial Officer A Award2022-12-302023-02-1750,000— $0900,000SEC↗
Vasnetsov SergeyDirector A Award2022-12-302023-02-22500,000— $03,300,000SEC↗
Mann Paul ElliotChief Executive Officer A Award2022-11-152022-11-151,000,000— $04,087,500SEC↗
Mann Paul ElliotChief Executive Officer A Award2022-11-152022-11-1537,500$4.00 $150.0K3,087,500SEC↗
Ainscow RobertChief Financial Officer A Award2022-11-152022-11-16600,000— $0850,000SEC↗
Donfeld Joshua JayDirector A Award2022-11-152022-11-16200,000— $01,000,000SEC↗
Moore DuncanDirector A Award2022-11-152022-11-16200,000— $0400,000SEC↗
Strydom HendrikDirector, 10% Owner A Award2022-11-152022-11-16200,000— $03,797,423SEC↗
Vasnetsov SergeyDirector A Award2022-11-152022-11-16600,000— $02,800,000SEC↗
Wider ToddDirector A Award2022-11-152022-11-16200,000— $0400,000SEC↗