Heather Kiessling

ASPI

Heather Kiessling serves as officer: Chief Financial Officer at ASP Isotopes Inc. Common Stock (ASPI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$783.5K

Net Position

Net Seller

$783.5K

Companies Traded

ASPI

Active Period

Dec 2025 – Oct 2026

4 total trades

Most Recent

Sell ASPI

Oct 21, 2026 · $47.8K

Heather Kiessling's Insider Trading at ASP Isotopes Inc. Common Stock (ASPI)

Buys

0 · $0.00

Sells

4 · $783.5K

Total Shares Bought

Total Shares Sold

148,078

ASPI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 21, 2026	Sell	21,830	$2.19	$47.8K	1,504,422
Jul 2, 2026	Sell	23,124	$6.28	$145.2K	1,526,252
Apr 17, 2026	Sell	23,124	$5.48	$126.7K	709,376
Dec 18, 2025	Sell	80,000	$5.80	$463.8K	0