ASP Isotopes COO sells shares to cover taxes
ASP Isotopes Inc. COO Robert Ainscow reported selling 8,438 shares of common stock in open-market transactions at a weighted average price of $6.999 per share.
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Form Type
4
Rhea-AI Filing Summary
ASP Isotopes Inc. COO Robert Ainscow reported selling 8,438 shares of common stock in open-market transactions at a weighted average price of $6.999 per share. According to the disclosure, these "sell to cover" trades were made under a Rule 10b5-1 trading plan adopted on June 9, 2025 to cover tax withholding obligations tied to vesting restricted stock awards, rather than discretionary sales. Following the transactions, Ainscow directly holds 2,281,879 ASP Isotopes shares.
Insider Trade Summary 10b5-1
Net Seller: 8,438 shares
Net Sell
1 txn
Insider
Ainscow Robert
Role
COO
Sold
8,438 shs ($59K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 8,438 | $6.999 | $59K |
Holdings After Transaction:
Common Stock — 2,281,879 shares (Direct)
Footnotes (2)
- F1. Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on June 9, 2025 to cover tax withholding obligations in connection with the vesting of restricted stock awards.
- F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.785 to $7.265, 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 Footnote 2.
Key Figures
Shares sold: 8,438 shares
Weighted average sale price: $6.999 per share
Post-transaction holdings: 2,281,879 shares
+2 more
5 metrics
Shares sold
8,438 shares
Open-market sale to cover tax withholding
Weighted average sale price
$6.999 per share
Open-market transactions in common stock
Post-transaction holdings
2,281,879 shares
Common stock held directly after sale
Price range of sales
$6.785–$7.265 per share
Multiple transactions within this range
Net shares sold
8,438 shares
Net-sell direction in transaction summary
Key Terms
Rule 10b5-1 trading plan, sell to cover, tax withholding obligations, restricted stock awards, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on June 9, 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.
tax withholding obligations financial
"to cover tax withholding obligations in connection with the vesting of restricted stock awards"
restricted stock awards financial
"tax withholding obligations in connection with the vesting of restricted stock awards"
Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
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.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did ASP Isotopes (ASPI) report for COO Robert Ainscow?
ASP Isotopes reported that COO Robert Ainscow sold 8,438 shares of common stock. The sales were open-market transactions used to cover tax withholding obligations from vesting restricted stock awards, rather than a discretionary reduction of his ownership stake.
Was the ASP Isotopes (ASPI) insider sale part of a Rule 10b5-1 trading plan?
Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted on June 9, 2025. Such plans prearrange trades, making their timing more routine and less indicative of short-term views on the stock.
AI-generated analysis. How Rhea-AI works. Not financial advice.
