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sellModerate cluster of 210b5-1 plan

Paul Elliot Mann sold $5.3M of ASPI

Chief Executive Officer at ASP Isotopes Inc.. 950,000 shares at an average of $5.61, traded Apr 15, 2025, filed Apr 17, 2025.

Warning score
43
Value
$5.3M
950,000 shares
Holdings after
7,315,454
-11% from before
From 52-week low
+127%
low $2.52, close $5.72
From 52-week high
-35%
high $8.77, as of Apr 15, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $5.3M at market
    +25
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +24.8%, 3m +65.2%, 6m +89.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ASPIOct 9, 2026 · close 2.65
Since filing Apr 17, 2025: -54.6%SPY +50.4% · excess -105.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001477932-25-002833, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 15, 2025SOpen-market sale
Common Stock10b5-1
-316,667$5.75$1.8M7,948,787Apr 17, 2025
Apr 16, 2025SOpen-market sale
Common Stock10b5-1
-316,667$5.45$1.7M7,632,120Apr 17, 2025
Apr 17, 2025SOpen-market sale
Common Stock10b5-1
-316,666$5.62$1.8M7,315,454Apr 17, 2025

Related signals

Other insiders at ASP Isotopes Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
44Moderate
ASPIbuy
ASP Isotopes Inc.
Robert John Andrew Ryan
director
$40k
15,000 shares
+2%
33Weak
ASPIbuy
ASP Isotopes Inc.
Robert John Andrew Ryan
director
$22k
8,000 shares
+1%
21Weak
ASPIsell 310b5-1
ASP Isotopes Inc.
Robert Ainscow
COO
$36k
8,438 shares
-0%
45Moderate
ASPIsell 310b5-1
ASP Isotopes Inc.
Paul Elliot Mann
Chairman and CEO
$999k
251,275 shares
-3%
25Weak
ASPIsell 310b5-1
ASP Isotopes Inc.
Robert Ainscow
COO
$98k
25,000 shares
-1%
39Weak
ASPIsell 3
ASP Isotopes Inc.
Donald George Ainscow
EVP, Gen Counsel, Secretary
$92k
23,678 shares
-3%
15Weak
ASPIsell 210b5-1
ASP Isotopes Inc.
Robert Ainscow
COO
$59k
8,438 shares
-0%
38Weak
ASPIsell 210b5-1
ASP Isotopes Inc.
Paul Elliot Mann
Chairman and CEO
$2.0M
251,275 shares
-3%
17Weak
ASPIsell 310b5-1
ASP Isotopes Inc.
Duncan Moore
director
$61k
11,642 shares
-1%
28Weak
ASPIsell 310b5-1
ASP Isotopes Inc.
Heather Kiessling
Chief Financial Officer
$127k
23,124 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.