Mann Paul Elliot 4
4 · ASP Isotopes Inc. · Filed Jun 3, 2026
Research Summary
AI-generated summary of this filing
ASP Isotopes (ASPI) CEO Mann Paul Elliot Sells 251,275 Shares
What Happened
- Mann Paul Elliot (Chairman & CEO, Director) was granted a restricted stock award of 2,233,555 shares on 2026-05-28 and sold a total of 251,275 shares across three open-market transactions on June 1–3, 2026. The sales generated aggregate proceeds of about $2,004,337 (83,758 shares on 6/1 for $660,013; 83,758 shares on 6/2 for $694,354; 83,759 shares on 6/3 for $649,970). The award vests in four equal installments over one year beginning March 1, 2026 (see footnote F1).
Key Details
- Transaction dates & amounts:
- 2026-05-28: Award of 2,233,555 shares (restricted stock) — F1 (vesting schedule).
- 2026-06-01: Sold 83,758 shares at a weighted avg $7.88 — proceeds $660,013 (F3: underlying sale prices ranged $7.49–$8.14).
- 2026-06-02: Sold 83,758 shares at a weighted avg $8.29 — proceeds $694,354 (F4: range $7.81–$8.52).
- 2026-06-03: Sold 83,759 shares at a weighted avg $7.76 — proceeds $649,970 (F5: range $7.53–$8.13).
- Sales were "sell to cover" transactions executed under a Rule 10b5-1 trading plan adopted 12/30/2025 to cover tax withholding related to quarterly vesting (F2).
- Shares owned after these transactions: not specified in the provided filing.
- Filing info: Form filed 2026-06-03 (covers 05-28 award and 06-01–06-03 sales). The 05-28 award appears reported more than two business days after the grant date, which may indicate a late report for that award.
Context
- These sales were executed under a pre-established 10b5-1 plan to cover tax obligations tied to vesting, which is a common reason for insider sales and typically treated as routine rather than a directional signal. The award itself vests over the coming year in quarterly (four equal) installments.
Insider Transaction Report
Form 4
Mann Paul Elliot
DirectorChairman and CEO
Transactions
- Award
Common Stock
[F1]2026-05-28+2,233,555→ 9,830,940 total - Sale
Common Stock
[F2][F3]2026-06-01$7.88/sh−83,758$660,013→ 9,747,182 total - Sale
Common Stock
[F2][F4]2026-06-02$8.29/sh−83,758$694,354→ 9,663,424 total - Sale
Common Stock
[F2][F5]2026-06-03$7.76/sh−83,759$649,970→ 9,579,845 total
Footnotes (5)
- [F1]This award of common stock was issued to the reporting person pursuant to his Employment Agreement dated October 4, 2021, as amended on December 20, 2022 and April 5, 2024, and shall vest (subject to compliance with applicable vesting conditions) in four equal installments over a one-year period beginning on March 1, 2026.
- [F2]Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on December 30, 2025 to cover tax withholding obligations in connection with the quarterly vesting of a restricted stock award.
- [F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.49 to $8.14, inclusive. The reporting person undertakes to provide ASP Isotopes Inc. (the "Company"), any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
- [F4]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.81 to $8.52, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
- [F5]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.53 to $8.13, inclusive. The reporting person undertakes to provide the Company, any stockholder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
Signature
/s/ Donald Ainscow, as attorney-in-fact|2026-06-03