ASP Isotopes CEO logs stock sales and large grant
ASP Isotopes Inc. Chairman and CEO Paul Elliot Mann reported both share sales and a new equity award.
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Form Type
4
Rhea-AI Filing Summary
ASP Isotopes Inc. Chairman and CEO Paul Elliot Mann reported both share sales and a new equity award. He sold a total of 251,275 shares of common stock in three open-market transactions at weighted average prices of $7.76, $7.88, and $8.29 per share. According to the disclosure, these were "sell to cover" trades under a Rule 10b5-1 plan to cover tax withholding on quarterly vesting of a restricted stock award. Mann also received a grant of 2,233,555 shares of common stock under his employment agreement, which will vest in four equal installments over a one-year period beginning on March 1, 2026.
Insider Trade Summary 10b5-1
Net Seller: 251,275 shares
Net Sell
4 txns
Insider
Mann Paul Elliot
Role
Chairman and CEO
Sold
251,275 shs ($2.00M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Common Stock | 2,233,555 | $0.00 | $0.00 |
| Sale | Common Stock | 83,758 | $7.88 | $660K |
| Sale | Common Stock | 83,758 | $8.29 | $694K |
| Sale | Common Stock | 83,759 | $7.76 | $650K |
Holdings After Transaction:
Common Stock — 9,579,845 shares (Direct)
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.
Key Figures
Shares sold: 251,275 shares
Sale price 1: $7.76 per share
Sale price 2: $8.29 per share
+4 more
7 metrics
Shares sold
251,275 shares
Total common shares sold in three open-market transactions
Sale price 1
$7.76 per share
Weighted average price for 83,759 shares sold
Sale price 2
$8.29 per share
Weighted average price for 83,758 shares sold
Sale price 3
$7.88 per share
Weighted average price for 83,758 shares sold
Stock grant
2,233,555 shares
Common stock award under CEO employment agreement
Post-transaction holdings
9,830,940 shares
Common shares held directly after reported transactions
Vesting start date
March 1, 2026
Beginning of four-installment vesting period for stock grant
Key Terms
Rule 10b5-1 trading plan, sell to cover, restricted stock award, weighted average price, +1 more
5 terms
Rule 10b5-1 trading plan financial
"Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on December 30, 2025"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
sell to cover financial
"Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan"
Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.
restricted stock award financial
"to cover tax withholding obligations in connection with the quarterly vesting of a restricted stock award"
A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.
weighted average price financial
"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
vesting conditions financial
"shall vest (subject to compliance with applicable vesting conditions) in four equal installments"
Vesting conditions are the rules that determine when someone earning company stock or stock options actually gains the right to keep or sell them, typically based on staying with the company for a set time or meeting performance targets. Think of it like keys that unlock gradually — some unlock by calendar date, others only after agreed milestones. Investors care because vesting shapes management incentives, the timing of share sales, and the number of shares that can enter the market, which can affect a company's valuation and ownership mix.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did ASP Isotopes (ASPI) report for Paul Elliot Mann?
ASP Isotopes reported that Chairman and CEO Paul Elliot Mann sold 251,275 common shares in three open-market transactions and received a grant of 2,233,555 shares. The filing shows these combined sales and awards as part of his ongoing equity compensation and related tax obligations.
What equity award did ASP Isotopes (ASPI) grant to its CEO in this Form 4?
ASP Isotopes granted CEO Paul Elliot Mann 2,233,555 shares of common stock under his employment agreement. The award will vest in four equal installments over a one-year period beginning March 1, 2026, subject to compliance with applicable vesting conditions detailed in the agreement.
How will the new ASP Isotopes (ASPI) stock grant to the CEO vest over time?
The 2,233,555-share stock grant will vest in four equal installments over one year, starting March 1, 2026. Each quarter during that year, one-quarter of the award becomes vested, assuming the vesting conditions in the CEO’s employment agreement continue to be satisfied.
AI-generated analysis. How Rhea-AI works. Not financial advice.
