EdgeMarketInstruments › ASPI

ASPI — ASP Isotopes Inc.

US Materials Specialty chemicals equity mkt cap 496.7M
4.00 +1.39% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 3.54 · high 14.05

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2022-11-10.

Performance

1 day+1.39%
1 week-6.32%
1 month-0.99%
3 months-22.63%
6 months-23.08%
Year to date-28.95%
1 year-55.41%
3 years+227.87%

Technicals

RSI 1446.2
vs 50-day avg-19.08%
vs 200-day avg-30.57%
Volatility 1y106.8%
Max drawdown 1y-74.80%
Avg volume 30d3.8M
Daily bars held947
History from2022-11-10

Measured signals that fired on ASPI

datesignal measured base rate
2026-08-18Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-06Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-02Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group
2026-06-01Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-05-26Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-19Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-07-01Kiessling Heather
Chief Financial Officer
Open-market sale 10b5-1 plan23.1K6.28145.2K
2026-06-30Ainscow Donald George
EVP, Gen Counsel, Secretary
Open-market sale100.0K6.14614.0K
2026-06-30Wider Todd
Director
Open-market sale50.0K6.12306.0K
2026-06-30Gorley Michael
Director
Open-market sale30.0K6.27188.1K
2026-06-29Wider Todd
Director
Open-market sale50.0K6.25312.5K
2026-06-08Ainscow Robert
COO
Open-market sale 10b5-1 plan8.4K7.0059.1K
2026-06-03Mann Paul Elliot
Chairman and CEO
Open-market sale 10b5-1 plan83.8K7.76650.0K
2026-06-02Mann Paul Elliot
Chairman and CEO
Open-market sale 10b5-1 plan83.8K8.29694.4K
2026-06-01Mann Paul Elliot
Chairman and CEO
Open-market sale 10b5-1 plan83.8K7.88660.0K
2026-05-28Mann Paul Elliot
Chairman and CEO
Grant or award 10b5-1 plan2.2M

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.36.8M8.3M
Encompass Capital Advisors LLC30.6M6.9M
VANGUARD CAPITAL MANAGEMENT LLC22.4M5.1M
Rovida Investment Management Ltd18.1M4.1M
UBS Group AG12.6M2.8M
GEODE CAPITAL MANAGEMENT, LLC12.1M2.7M
Alyeska Investment Group, L.P.11.9M2.7M
STATE STREET CORP10.3M2.3M
EXCHANGE TRADED CONCEPTS, LLC9.7M2.2M
AWM Investment Company, Inc.9.4M2.1M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Latest SEC filings

formfiledperiod
10-Q2026-08-142026-06-30on EDGAR ↗
4252026-08-06on EDGAR ↗
8-K2026-08-062026-08-06on EDGAR ↗
4252026-08-05on EDGAR ↗
8-K2026-08-052026-08-05on EDGAR ↗
4252026-08-04on EDGAR ↗
8-K2026-08-042026-08-04on EDGAR ↗
8-K2026-07-302026-07-30on EDGAR ↗

Short selling

Avg short volume, 90d45.8% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Recent headlines

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