MetaCap

ASP Isotopes Insider Trades

NASDAQ: ASPIIndustrialsMajor ChemicalsUSD

2.65-0.18 (-6.36%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
2 · $61.80K
Sales
29 · $9.74M
Shares bought / sold
23.00K / 1.60M
Net activity
Net selling $9.7 million

ASP Isotopes insider activity

Over the last 12 months, ASP Isotopes insiders reported 42 transactions on SEC Form 4: 2 open-market purchases and 29 sales. Insiders bought $61,800 and sold $9.7 million worth of stock, for net insider selling of $9.7 million. The largest seller was Mann Paul Elliot, with $6.0 million in reported sales.

The most recent filing shows Ryan Robert John Andrew (Director) buying 15,000 shares at $2.68 on Sep 30, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ASPI's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

ASPI insider transactions

ASP Isotopes insider transactions
DateInsiderTypeSharesValueFiling
Sep 30, 2026Ryan Robert John AndrewDirectorBuy15,000$40.20KForm 4
Sep 28, 2026Ryan Robert John AndrewDirectorBuy8,000$21.60KForm 4
Sep 8, 2026Ainscow RobertCOOSale8,438$36.22KForm 4
Sep 4, 2026Mann Paul ElliotChairman and CEOSale83,759$343.41KForm 4
Sep 3, 2026Mann Paul ElliotChairman and CEOSale83,758$328.33KForm 4
Sep 2, 2026Mann Paul ElliotChairman and CEOSale83,758$327.49KForm 4
Sep 2, 2026Ainscow RobertCOOSale25,000$97.63KForm 4
Sep 2, 2026Ainscow Donald GeorgeEVP, Gen Counsel, SecretarySale23,678$92.11KForm 4
Jul 1, 2026Kiessling HeatherChief Financial OfficerSale23,124$145.22KForm 4
Jun 30, 2026Wider ToddDirectorSale50,000$306.00KForm 4
Jun 30, 2026Gorley MichaelDirectorSale30,000$188.10KForm 4
Jun 30, 2026Ainscow Donald GeorgeEVP, Gen Counsel, SecretarySale100,000$614.00KForm 4
Jun 29, 2026Wider ToddDirectorSale50,000$312.50KForm 4
Jun 8, 2026Ainscow RobertCOOSale8,438$59.06KForm 4
Jun 3, 2026Mann Paul ElliotChairman and CEOSale83,759$649.97KForm 4
Jun 2, 2026Mann Paul ElliotChairman and CEOSale83,758$694.35KForm 4
Jun 1, 2026Mann Paul ElliotChairman and CEOSale83,758$660.01KForm 4
May 28, 2026Kiessling HeatherChief Financial OfficerAward840,000—Form 4
May 28, 2026Ainscow Donald GeorgeEVP, Gen Counsel, SecretaryAward400,000—Form 4
May 28, 2026Ainscow RobertChief Operating OfficerAward800,000—Form 4
May 28, 2026Mann Paul ElliotChairman and CEOAward2,233,555—Form 4
Apr 16, 2026Ainscow RobertCOOSale22,500$117.11KForm 4
Apr 16, 2026Moore DuncanDirectorSale11,642$60.60KForm 4
Apr 15, 2026Kiessling HeatherChief Financial OfficerSale23,124$126.67KForm 4
Mar 6, 2026Ainscow RobertCOOSale8,438$45.89KForm 4
Mar 6, 2026Ainscow RobertCOOSale25,000$112.78KForm 4
Mar 2, 2026Mann Paul ElliotExecutive ChairmanSale162,153$881.46KForm 4
Dec 18, 2025Ryan Robert John AndrewDirectorAward36,548—Form 4
Dec 18, 2025Wider ToddDirectorAward36,548—Form 4
Dec 18, 2025Gorley MichaelDirectorAward36,548—Form 4
Dec 18, 2025Hunter Ralph L. JRDirectorAward36,548—Form 4
Dec 18, 2025Kiessling HeatherChief Financial OfficerSale80,000$463.84KForm 4
Dec 18, 2025Moore DuncanDirectorAward36,548—Form 4
Dec 8, 2025Ainscow RobertInterim CEO and COOSale8,438$52.34KForm 4
Dec 1, 2025Mann Paul ElliotExecutive ChairmanSale162,153$932.87KForm 4
Nov 25, 2025Mann Paul ElliotExecutive OfficerSale50,000$288.45KForm 4
Nov 25, 2025Ainscow RobertInterim CEO and COOSale25,000$144.22KForm 4
Nov 17, 2025Ainscow RobertInterim CEO and COOSale67,500$506.72KForm 4
Nov 17, 2025Mann Paul ElliotExecutive OfficerSale112,500$844.54KForm 4
Nov 12, 2025Wider ToddDirectorAward25,469—Form 4
Nov 12, 2025Moore DuncanDirectorAward25,469—Form 4
Oct 14, 2025Ainscow RobertInterim CEO and COOSale22,500$305.98KForm 4
Sep 30, 2025Gorley MichaelDirectorSale64,000$624.24KForm 4
Sep 15, 2025Wider ToddDirectorSale74,108$648.82KForm 4
Sep 14, 2025Wider ToddDirectorTax withholding21,892$191.99KForm 4
Sep 14, 2025Wider ToddDirectorOption exercise96,000$192.00KForm 4
Sep 9, 2025Mann Paul ElliotChief Executive OfficerSale81,077$680.12KForm 4
Sep 9, 2025Mann Paul ElliotChief Executive OfficerTax withholding234,466$2.00MForm 4
Sep 9, 2025Mann Paul ElliotChief Executive OfficerOption exercise1,000,000$2.00MForm 4
Sep 9, 2025Mann Paul ElliotChief Executive OfficerTax withholding50,644$431.99KForm 4
Sep 9, 2025Mann Paul ElliotChief Executive OfficerOption exercise216,000$432.00KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerTax withholding31,652$269.99KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerOption exercise135,000$270.00KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerTax withholding2,813$23.99KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerOption exercise12,000$24.00KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerTax withholding4,396$37.50KForm 4
Sep 9, 2025Ainscow RobertChief Operating OfficerOption exercise150,000$37.50KForm 4
Sep 8, 2025Mann Paul ElliotChief Executive OfficerSale81,076$691.41KForm 4
Sep 8, 2025Ainscow RobertChief Operating OfficerSale8,438$71.94KForm 4
Sep 6, 2025Hunter Ralph L. JRDirectorAward10,470—Form 4
Aug 29, 2025Moore DuncanDirectorSale75,000$696.23KForm 4
Aug 1, 2025Ainscow Donald GeorgeEVP, Gen Counsel, SecretaryAward400,000—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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