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ASPIASP Isotopes Inc.

Market cap
$298.19M
as of 2026-10-23
Latest close
$1.95
as of 2026-10-23
Sector
Basic Materials
as of 2026-10-24
Industry
Specialty Chemicals
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-30

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Kiessling HeatherChief Financial OfficerOct 16Oct 21S21,830$2.19Sale −$47,8081,504,422NoForm 4
Ainscow RobertCOOOct 14Oct 16S22,500$2.11Sale −$47,5652,225,941YesForm 4
Ryan Robert John AndrewSep 30Oct 1P15,000$2.68Purchase +$40,200675,222NoForm 4
Ryan Robert John AndrewSep 28Sep 30P8,000$2.70Purchase +$21,600660,222NoForm 4
Ainscow RobertCOOSep 8Sep 10S8,438$4.29Sale −$36,1992,248,441YesForm 4
Mann Paul ElliotChairman and CEOSep 4Sep 4S83,759$4.10Sale −$343,4129,328,570YesForm 4
Mann Paul ElliotChairman and CEOSep 3Sep 4S83,758$3.92Sale −$328,3319,412,329YesForm 4
Mann Paul ElliotChairman and CEOSep 2Sep 4S83,758$3.91Sale −$327,4949,496,087YesForm 4
Ainscow RobertCOOSep 2Sep 4S25,000$3.91Sale −$97,7502,256,879YesForm 4
Ainscow Donald GeorgeEVP, Gen Counsel, SecretarySep 2Sep 4S23,678$3.89Sale −$92,107776,322NoForm 4
Kiessling HeatherChief Financial OfficerJul 1Jul 2S23,124$6.28Sale −$145,2191,526,252YesForm 4
Ainscow Donald GeorgeEVP, Gen Counsel, SecretaryJun 30Jul 2S100,000$6.14Sale −$614,000800,000NoForm 4
Gorley MichaelJun 30Jul 1S30,000$6.27Sale −$188,10087,908NoForm 4
Wider ToddJun 30Jul 1S50,000$6.12Sale −$306,000672,247NoForm 4
Wider ToddJun 29Jul 1S50,000$6.25Sale −$312,500722,247NoForm 4
Ainscow RobertCOOJun 8Jun 10S8,438$7.00Sale −$59,0662,281,879YesForm 4
Mann Paul ElliotChairman and CEOJun 3Jun 3S83,759$7.76Sale −$649,9709,579,845YesForm 4
Mann Paul ElliotChairman and CEOJun 2Jun 3S83,758$8.29Sale −$694,3549,663,424YesForm 4
Mann Paul ElliotChairman and CEOJun 1Jun 3S83,758$7.88Sale −$660,0139,747,182YesForm 4
Kiessling HeatherChief Financial OfficerMay 28Jun 3A840,000not reportednot reported1,549,376NoForm 4
Ainscow Donald GeorgeEVP, Gen Counsel, SecretaryMay 28Jun 3A400,000not reportednot reported900,000NoForm 4
Ainscow RobertChief Operating OfficerMay 28Jun 3A800,000not reportednot reported2,290,317NoForm 4
Mann Paul ElliotChairman and CEOMay 28Jun 3A2,233,555not reportednot reported9,830,940YesForm 4
Moore DuncanApr 16Apr 17S11,642$5.21Sale −$60,6551,044,928YesForm 4
Ainscow RobertCOOApr 16Apr 17S22,500$5.21Sale −$117,2251,490,317YesForm 4
Kiessling HeatherChief Financial OfficerApr 15Apr 17S23,124$5.48Sale −$126,720709,376YesForm 4
Moore DuncanDec 18, 2025Apr 17A36,548not reportednot reported1,056,570YesForm 4
Moore DuncanNov 12, 2025Apr 17A25,469not reportednot reported1,020,022YesForm 4
Ainscow RobertCOOMar 6Apr 13S25,000$4.51Sale −$112,7501,512,817YesForm 4
Ainscow RobertCOOMar 6Mar 6S8,438$5.44Sale −$45,9031,537,817YesForm 4
Mann Paul ElliotExecutive ChairmanMar 2Mar 2S162,153$5.44Sale −$882,1127,597,385YesForm 4
Kiessling HeatherChief Financial OfficerDec 18, 2025Dec 29, 2025S80,000$5.80Sale −$464,000732,500NoForm 4
Gorley MichaelDec 18, 2025Dec 22, 2025A36,548not reportednot reported117,908NoForm 4
Hunter Ralph L. JRDec 18, 2025Dec 22, 2025A36,548not reportednot reported47,018NoForm 4
Ryan Robert John AndrewDec 18, 2025Dec 22, 2025A36,548not reportednot reported652,222NoForm 4
Wider ToddDec 18, 2025Dec 22, 2025A36,548not reportednot reported772,247NoForm 4
Ainscow RobertInterim CEO and COODec 8, 2025Dec 11, 2025S8,438$6.20Sale −$52,3161,546,255YesForm 4
Mann Paul ElliotExecutive ChairmanDec 1, 2025Dec 3, 2025S162,153$5.75Sale −$932,3807,759,538YesForm 4
Mann Paul ElliotExecutive OfficerNov 25, 2025Nov 28, 2025S50,000$5.77Sale −$288,5007,921,691YesForm 4
Ainscow RobertInterim CEO and COONov 25, 2025Nov 28, 2025S25,000$5.77Sale −$144,2501,554,693YesForm 4
Mann Paul ElliotExecutive OfficerNov 17, 2025Nov 28, 2025S112,500$7.51Sale −$844,8757,971,691YesForm 4
Hunter Ralph L. JRSep 6, 2025Nov 28, 2025A10,470not reportednot reported10,470NoForm 4
Ainscow Donald GeorgeEVP, Gen Counsel, SecretaryAug 1, 2025Nov 28, 2025A400,000not reportednot reported500,000NoForm 4
Ainscow RobertInterim CEO and COONov 17, 2025Nov 19, 2025S67,500$7.51Sale −$506,9251,579,693YesForm 4
Wider ToddNov 12, 2025Nov 14, 2025A25,469not reportednot reported735,699NoForm 4
Ainscow RobertInterim CEO and COOOct 14, 2025Oct 16, 2025S22,500$13.60Sale −$306,0001,647,193YesForm 4
Wider ToddSep 15, 2025Oct 3, 2025S74,108$8.76Sale −$649,186710,230NoForm 4
Wider ToddSep 14, 2025Oct 3, 2025M96,000$2.00$192,000806,230NoForm 4
Wider ToddSep 14, 2025Oct 3, 2025F21,892$8.77$191,993784,338NoForm 4
Wider ToddSep 14, 2025Oct 3, 2025M · derivative96,000$2.00$192,000not reportedNoForm 4
Gorley MichaelSep 30, 2025Oct 2, 2025S64,000$9.75Sale −$624,00081,360NoForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025M216,000$2.00$432,0007,450,378YesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025F50,644$8.53$431,9937,399,734YesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025M1,000,000$2.00$2,000,0008,399,734YesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025F234,466$8.53$1,999,9958,165,268YesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025S81,077$8.39Sale −$680,2368,084,191YesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025M · derivative216,000$2.00$432,000not reportedYesForm 4
Mann Paul ElliotChief Executive OfficerSep 9, 2025Sep 10, 2025M · derivative1,000,000$2.00$2,000,000not reportedYesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M150,000$0.25$37,5001,564,554YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025F4,396$8.53$37,4981,557,158YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M12,000$2.00$24,0001,569,158YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025F2,813$8.53$23,9951,566,345YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M135,000$2.00$270,0001,701,345YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025F31,652$8.53$269,9921,669,693YesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M · derivative150,000$0.25$37,500not reportedYesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M · derivative12,000$2.00$24,000not reportedYesForm 4
Ainscow RobertChief Operating OfficerSep 9, 2025Sep 10, 2025M · derivative135,000$2.00$270,000not reportedYesForm 4
Mann Paul ElliotChief Executive OfficerSep 8, 2025Sep 10, 2025S81,076$8.53Sale −$691,5787,234,378YesForm 4
Ainscow RobertChief Operating OfficerSep 8, 2025Sep 10, 2025S8,438$8.53Sale −$71,9761,411,554YesForm 4
Moore DuncanAug 29, 2025Sep 3, 2025S75,000$9.28Sale −$696,000994,553NoForm 4
Mann Paul ElliotChief Executive OfficerApr 17, 2025Apr 17, 2025S316,666$5.62Sale −$1,779,6637,315,454YesForm 4
Ainscow RobertChief Operating OfficerApr 17, 2025Apr 17, 2025S66,668$5.62Sale −$374,6741,419,992YesForm 4
Mann Paul ElliotChief Executive OfficerApr 16, 2025Apr 17, 2025S316,667$5.45Sale −$1,725,8357,632,120YesForm 4
Ainscow RobertChief Operating OfficerApr 16, 2025Apr 17, 2025S66,666$5.45Sale −$363,3301,486,660YesForm 4
Mann Paul ElliotChief Executive OfficerApr 15, 2025Apr 17, 2025S316,667$5.75Sale −$1,820,8357,948,787YesForm 4
Ainscow RobertChief Operating OfficerApr 15, 2025Apr 17, 2025S66,666$5.75Sale −$383,3301,553,326YesForm 4
Mann Paul ElliotChief Executive OfficerApr 14, 2025Apr 15, 2025A1,441,361not reportednot reported8,265,454NoForm 4
Kiessling HeatherChief Financial OfficerApr 14, 2025Apr 15, 2025A400,000not reportednot reported812,500NoForm 4
Ainscow RobertChief Operating OfficerApr 14, 2025Apr 15, 2025A400,000not reportednot reported1,619,992NoForm 4
Moore DuncanDec 9, 2024Dec 11, 2024A77,626not reportednot reported974,315NoForm 4
Moore DuncanDec 9, 2024Dec 11, 2024A95,238not reportednot reported1,069,553NoForm 4
Gorley MichaelNov 20, 2024Nov 21, 2024A42,522not reportednot reported144,360NoForm 4
Ryan Robert John AndrewNov 20, 2024Nov 21, 2024A42,522not reportednot reported614,624NoForm 4
Moore DuncanNov 20, 2024Nov 21, 2024A42,522not reportednot reported896,689NoForm 4
Wider ToddNov 20, 2024Nov 21, 2024A42,522not reportednot reported710,230NoForm 4
AK Jensen Investment Management LtdOct 11, 2024Oct 16, 2024A30,000$3.03$90,9006,746,874NoForm 4
Mann Paul ElliotChief Executive OfficerSep 6, 2024Sep 10, 2024A978,466not reportednot reported6,824,093NoForm 4
Ainscow RobertChief Operating OfficerSep 6, 2024Sep 10, 2024A300,000not reportednot reported1,219,992NoForm 4
Gorley MichaelAug 13, 2024Aug 14, 2024A8,380not reportednot reported101,838NoForm 4
Wider ToddAug 13, 2024Aug 14, 2024A77,626not reportednot reported572,470NoForm 4
Wider ToddAug 13, 2024Aug 14, 2024A95,238not reportednot reported667,708NoForm 4
AK Jensen Investment Management LtdAug 2, 2024Aug 5, 2024S80,000$2.23Sale −$178,4006,566,874NoForm 4
AK Jensen Investment Management LtdAug 1, 2024Aug 5, 2024S31,849$2.45Sale −$78,0306,646,874NoForm 4
Mann Paul ElliotChief Executive OfficerJul 15, 2024Jul 15, 2024P39,984not reportedPurchase not reported5,845,627NoForm 4
Ainscow RobertChief Operating OfficerJul 15, 2024Jul 15, 2024P19,992not reportedPurchase not reported919,992NoForm 4
AK Jensen Investment Management LtdJul 10, 2024Jul 10, 2024P61,849$3.40Purchase +$210,2876,678,723NoForm 4
AK Jensen Investment Management LtdJul 9, 2024Jul 10, 2024P30,000$3.05Purchase +$91,5006,616,874NoForm 4
AK Jensen Investment Management LtdJul 8, 2024Jul 10, 2024P70,000$3.05Purchase +$213,5006,586,874NoForm 4
Kiessling HeatherChief Financial OfficerJul 1, 2024Jul 1, 2024A400,000not reportednot reported412,500NoForm 4
Ryan Robert John AndrewApr 30, 2024May 1, 2024P3,734$3.72Purchase +$13,890559,602NoForm 4
Ryan Robert John AndrewApr 30, 2024May 1, 2024P5,000$3.36Purchase +$16,800564,602NoForm 4
Ryan Robert John AndrewApr 30, 2024May 1, 2024P7,500$3.34Purchase +$25,050572,102NoForm 4
Ryan Robert John AndrewApr 29, 2024May 1, 2024P4,313$3.20Purchase +$13,802555,868NoForm 4
Ryan Robert John AndrewApr 26, 2024Apr 30, 2024P5,000$3.48Purchase +$17,400551,555NoForm 4
Ryan Robert John AndrewApr 25, 2024Apr 29, 2024P5,000$3.40Purchase +$17,000542,055NoForm 4
Ryan Robert John AndrewApr 25, 2024Apr 29, 2024P2,500$3.46Purchase +$8,650544,555NoForm 4
Ryan Robert John AndrewApr 25, 2024Apr 29, 2024P2,000$3.40Purchase +$6,800546,555NoForm 4
Ryan Robert John AndrewJan 29, 2024Feb 26, 2024P15,596$2.35Purchase +$36,651537,055NoForm 4
Ryan Robert John AndrewJan 25, 2024Feb 26, 2024P100$2.54Purchase +$254521,459NoForm 4
Ryan Robert John AndrewJan 17, 2024Feb 26, 2024P100$1.91Purchase +$191521,359NoForm 4
Ryan Robert John AndrewJan 16, 2024Feb 26, 2024P2,550$1.92Purchase +$4,896521,259NoForm 4
Ryan Robert John AndrewJan 14, 2024Feb 26, 2024A50,251not reportednot reported518,709NoForm 4
Gorley MichaelOct 23, 2023Feb 26, 2024A93,458not reportednot reported93,458NoForm 4
Donfeld Joshua JayOct 26, 2023Oct 30, 2023P104,167$0.96Purchase +$100,0001,104,167NoForm 4
Wider ToddOct 26, 2023Oct 30, 2023P94,844$0.96Purchase +$91,050494,844NoForm 4
Moore DuncanOct 26, 2023Oct 30, 2023P104,167$0.96Purchase +$100,000854,167NoForm 4
Moore DuncanAug 10, 2023Oct 30, 2023A200,000$0.00$0750,000NoForm 4