— Know what they know.
Not Investment Advice

ASPI NASDAQ

ASP Isotopes Inc. Common Stock
1W: -15.1% 1M: -7.8% 3M: -0.6% YTD: -8.2% 1Y: -26.1% 3Y: +1048.9%
$5.55
+0.38 (+7.35%)
 
Weekly Expected Move ±14.1%
$4 $5 $6 $7 $7
NASDAQ · Basic Materials · Chemicals · Alpha Radar Neutral · Power 47 · $461.2M mcap · 67M float · 6.77% daily turnover · Short 51% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
217
Institutions Holding
+8 vs prior
46.2%
Ownership
-119.12%
39 New
73 Increased
85 Reduced
53 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-04-16 Moore Duncan director S-Sale 11,642 $5.21 $61K Filing
2026-04-16 Ainscow Robert officer: coo S-Sale 22,500 $5.21 $117K Filing
2026-04-15 Kiessling Heather officer: chief financial officer S-Sale 23,124 $5.48 $127K Filing
2026-03-06 Ainscow Robert officer: coo S-Sale 25,000 $4.51 $113K Filing
2026-03-06 Ainscow Robert officer: coo S-Sale 8,438 $5.44 $46K Filing
2026-03-02 Mann Paul Elliot officer: executive chairman S-Sale 162,153 $5.44 $881K Filing
2025-12-18 Gorley Michael director A-Grant/Award 36,548 $— $0 Filing
2025-12-18 Hunter Ralph L. JR director A-Grant/Award 36,548 $— $0 Filing
2025-12-18 Ryan Robert John Andrew director A-Grant/Award 36,548 $— $0 Filing
2025-12-18 Wider Todd director A-Grant/Award 36,548 $— $0 Filing
2025-12-18 Kiessling Heather officer: chief financial officer S-Sale 80,000 $5.80 $464K Filing
2025-12-18 Moore Duncan director A-Grant/Award 36,548 $— $0 Filing
2025-12-08 Ainscow Robert officer: interim ceo and coo S-Sale 8,438 $6.20 $52K Filing
2025-12-01 Mann Paul Elliot officer: executive chairman S-Sale 162,153 $5.75 $933K Filing
2025-11-25 Mann Paul Elliot officer: executive officer S-Sale 50,000 $5.77 $288K Filing
2025-11-25 Ainscow Robert officer: interim ceo and coo S-Sale 25,000 $5.77 $144K Filing
2025-11-17 Mann Paul Elliot officer: executive officer S-Sale 112,500 $7.51 $845K Filing
2025-11-17 Ainscow Robert officer: interim ceo and coo S-Sale 67,500 $7.51 $507K Filing
2025-11-12 Wider Todd director A-Grant/Award 25,469 $— $0 Filing
2025-11-12 Moore Duncan director A-Grant/Award 25,469 $— $0 Filing
2025-10-14 Ainscow Robert officer: interim ceo and coo S-Sale 22,500 $13.60 $306K Filing
2025-09-30 Gorley Michael director S-Sale 64,000 $9.75 $624K Filing
2025-09-15 Wider Todd director S-Sale 74,108 $8.76 $649K Filing
2025-09-14 Wider Todd director F-Tax Withholding 21,892 $8.77 $192K Filing
2025-09-09 Ainscow Robert officer: chief operating officer F-Tax Withholding 4,396 $8.53 $37K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 8,328,144 $37M +1,538,727 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 5,060,464 $22M +5,060,464 2026-03-31 Filing
Rovida Investment Management Ltd 4,100,000 $18M 2026-03-31 Filing
UBS Group AG 2,841,709 $13M +435,252 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 2,740,464 $12M +356,398 2026-03-31 Filing
STATE STREET CORP 2,322,159 $10M +477,754 2026-03-31 Filing
EXCHANGE TRADED CONCEPTS, LLC 2,183,554 $10M +783,240 2026-03-31 Filing
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,057,340 $5M -459,303 2026-03-31 Filing
BARCLAYS PLC 1,012,956 $4M +506,168 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 977,170 $4M +977,170 2026-03-31 Filing
Diametric Capital, LP 953,505 $4M +216,201 2026-03-31 Filing
NORTHERN TRUST CORP 937,523 $4M +191,614 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 897,236 $4M +11,497 2026-03-31 Filing
BNP PARIBAS ASSET MANAGEMENT Holding S.A 887,245 $4M -57,081 2026-03-31 Filing
VANGUARD FIDUCIARY TRUST CO 753,316 $3M +753,316 2026-03-31 Filing
JANE STREET GROUP, LLC 684,479 $3M -902,482 2026-03-31 Filing
Philadelphia Financial Management of San 648,341 $3M +648,341 2026-03-31 Filing
WIM INVESTMENT MANAGEMENT Ltd 601,400 $3M 2026-03-31 Filing
GROUP ONE TRADING LLC 595,625 $3M +151,280 2026-03-31 Filing
Sara-Bay Financial 586,673 $3M +586,673 2026-03-31 Filing

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms