ASP Isotopes Ownership & Insider Activity

ASP Isotopes (ASPI) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 11.4% of shares outstanding. Institutional investors hold 23.9%. Over the past 90 days, insiders made 2 purchases worth $62K and 6 sales worth $1.3M.

Shares Outstanding

153.309M

Shares Float

140.319M

Insider Shares Owned

17.511M

Insider % Owned

11.4%

Institutional Shares Held

36.624M

Institutional % Held

23.9%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$62K total

Sales (90d)

$1.3M total

Net Activity

Net Selling

Net Value (90d)

-$1.3M

ASP Isotopes Insider Transactions (Last 6 Months)

모든 내부자 거래 내역 보기 →

Date	Insider	Title	Type	Shares	Price	Value
Oct 16, 2026	Heather Kiessling	CHIEF FINANCIAL OFFICER	SELL	21.830K	$2.19	$48K
Oct 14, 2026	Donald Ainscow as attorney-in-fact	COO	SELL	22.500K	$2.11	$48K
Sep 30, 2026	Andrew John Robert Ryan	—	BUY	15.000K	$2.68	$40K
Sep 28, 2026	Andrew John Robert Ryan	—	BUY	8.000K	$2.70	$22K
Sep 8, 2026	Donald Ainscow as attorney-in-fact	COO	SELL	8.438K	$4.29	$36K
Sep 2, 2026	Donald Ainscow	EVP, GEN COUNSEL, SECRETARY	SELL	23.678K	$3.89	$92K
Sep 2, 2026	Donald Ainscow as attorney-in-fact	COO	SELL	25.000K	$3.90	$98K
Sep 2, 2026	Elliot Paul Mann	CHAIRMAN AND CEO	SELL	251.275K	$3.98	$999K
Jul 1, 2026	Heather Kiessling	CHIEF FINANCIAL OFFICER	SELL	23.124K	$6.28	$145K
Jun 30, 2026	Donald Ainscow	EVP, GEN COUNSEL, SECRETARY	SELL	100.000K	$6.14	$614K
Jun 30, 2026	Michael Gorley	—	SELL	30.000K	$6.27	$188K
Jun 29, 2026	Todd Wider	—	SELL	100.000K	$6.18	$619K
Jun 8, 2026	Donald Ainscow as attorney-in-fact	COO	SELL	8.438K	$7.00	$59K
May 28, 2026	Elliot Paul Mann	CHAIRMAN AND CEO	GRANT	1.982M	$7.98	$2.0M

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ASP Isotopes Ownership & Insider Activity

ASP Isotopes Insider Transactions (Last 6 Months)

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