Transaction · 0001477932-26-005432

Ainscow Donald George

Ainscow Donald George, EVP, GC, SECY, reported an open-market or private sale at ASP Isotopes Inc. involving 23678.000000 shares for an estimated $92107.42. Reported holdings after the transaction were 776322.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SEVP, GC, SECY
ASPIASP Isotopes Inc.
Filing timeSep 05
Trade date—
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

ASPI price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ASPI since 2026-09-05Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001477932-26-005432
Common Stock
Transaction date
—
Filed Sep 05, 2026, 01:33 AM
Shares
23.6k sh
$389 per share
Estimated value
-$9.21M
Computed from shares × price
Holdings after
776k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing transaction dateThe filing did not provide a usable transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP, Gen Counsel, Secretary

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares automatically sold by ASP Isotopes Inc. (the "Company") on behalf of the reporting person pursuant to a mandatory sell-to-cover provision in the award agreement required to cover min…

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.885 to $3.9202, inclusive. The reporting person undertakes to prov…

Original filing · 0001477932-26-005432
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Same reporting owner
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