United Therapeutics EVP sells shares after option exercise
UNITED THERAPEUTICS Corp executive Paul A. Mahon exercised 8,300 stock options and sold 8,300 common shares in pre-planned trades.
Rhea-AI Filing Summary
UNITED THERAPEUTICS Corp executive Paul A. Mahon exercised 8,300 stock options and sold 8,300 common shares in pre-planned trades. On the transactions date, he exercised options at a strike price of $146.03 per share and sold the resulting shares in multiple open-market transactions at weighted average prices generally around the mid-$500s per share. The trades were executed under a pre-arranged Rule 10b5-1 plan entered into on August 11, 2025, indicating they were scheduled in advance. Following these transactions, Mahon directly owns 45,172 shares of UNITED THERAPEUTICS common stock.
Positive
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Negative
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Insights
Routine option exercise-and-sell under a pre-planned 10b5-1 trading plan.
EVP & General Counsel Paul A. Mahon exercised 8,300 stock options at a strike price of $146.03 per share and sold the resulting 8,300 common shares in multiple open-market trades around the mid-$500s. This pattern is a classic exercise-and-sell sequence.
The filing states the activity occurred under a pre-arranged Rule 10b5-1 trading plan entered on August 11, 2025, which typically reflects pre-scheduled portfolio management rather than ad hoc timing. After the transactions, Mahon continues to hold 45,172 shares directly, indicating a remaining equity stake.
Because the trades are both plan-based and paired with an option exercise rather than a stand-alone discretionary sale, the informational value for long-term investors is limited. Subsequent company filings may provide additional context if his equity position changes meaningfully over time.
Insider Trade Summary 10b5-1
Exercise and Sale: 8,300 shares ($3.37M approx. pre-tax spread)
Exercise and Sale
11 txns
Insider
MAHON PAUL A
Role
EVP & GENERAL COUNSEL
Sold
8,300 shs ($4.59M)
Approx. gross sale proceeds
$4.59M
Approx. exercise cost
$1.21M
Approx. pre-tax spread
$3.37M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option | 8,300 | $0.00 | $0.00 |
| Exercise | Common Stock | 8,300 | $146.03 | $1.21M |
| Sale | Common Stock | 658 | $548.0012 | $361K |
| Sale | Common Stock | 258 | $548.7314 | $142K |
| Sale | Common Stock | 384 | $550.0235 | $211K |
| Sale | Common Stock | 1,467 | $551.2961 | $809K |
| Sale | Common Stock | 1,818 | $552.6068 | $1.00M |
| Sale | Common Stock | 2,201 | $553.5167 | $1.22M |
| Sale | Common Stock | 299 | $554.4454 | $166K |
| Sale | Common Stock | 990 | $555.8257 | $550K |
| Sale | Common Stock | 225 | $556.3589 | $125K |
Holdings After Transaction:
Stock Option — 89,040 contracts (Direct);
Common Stock — 45,172 shares (Direct)
Footnotes (10)
- F1. This is an exercise of stock options and sale of the resulting shares pursuant to a pre-arranged 10b5-1 plan entered into by the reporting person on August 11, 2025.
- F10. This transaction was executed in multiple trades at prices ranging from $556.19 to $556.38. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F2. This transaction was executed in multiple trades at prices ranging from $547.45 to $548.43. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F3. This transaction was executed in multiple trades at prices ranging from $548.47 to $549.27. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F4. This transaction was executed in multiple trades at prices ranging from $549.535 to $550.38. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F5. This transaction was executed in multiple trades at prices ranging from $550.85 to $551.72. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F6. This transaction was executed in multiple trades at prices ranging from $552.12 to $553.11. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F7. This transaction was executed in multiple trades at prices ranging from $553.13 to $554.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F8. This transaction was executed in multiple trades at prices ranging from $554.13 to $555.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F9. This transaction was executed in multiple trades at prices ranging from $555.16 to $556.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Key Figures
Options exercised: 8,300 shares
Shares sold: 8,300 shares
Option strike price: $146.03/share
+4 more
7 metrics
Options exercised
8,300 shares
Common stock acquired via option exercise on transaction date
Shares sold
8,300 shares
Total common shares sold in multiple open-market trades
Option strike price
$146.03/share
Exercise price for stock options converted into common shares
Highest reported sale price
$556.3589/share
Weighted average price for one sale tranche of 225 shares
Lowest reported sale price
$548.0012/share
Weighted average price for one sale tranche of 658 shares
Shares owned after trades
45,172 shares
Direct common stock holdings following all reported transactions
10b5-1 plan date
August 11, 2025
Date pre-arranged Rule 10b5-1 trading plan was entered
Key Terms
Rule 10b5-1 plan, stock options, open-market sale, weighted average price, +1 more
5 terms
Rule 10b5-1 plan regulatory
"exercise of stock options and sale of the resulting shares pursuant to a pre-arranged 10b5-1 plan"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
stock options financial
"This is an exercise of stock options and sale of the resulting shares"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
weighted average price financial
"The price reported above reflects the 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.
derivative exercise/conversion financial
"transaction_action": "derivative exercise/conversion""
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did UTHR EVP Paul A. Mahon report on this Form 4?
Paul A. Mahon reported exercising 8,300 stock options and selling 8,300 UNITED THERAPEUTICS common shares. The sales were executed in multiple open-market trades at weighted average prices generally in the mid-$500s per share on the same date as the option exercise.
Was the UTHR insider trade by Paul A. Mahon made under a Rule 10b5-1 plan?
Yes. The Form 4 footnotes state the option exercise and related share sales were conducted under a pre-arranged Rule 10b5-1 trading plan. This plan was entered into on August 11, 2025, indicating the transactions were scheduled in advance rather than timed opportunistically.
What is the overall direction of Paul A. Mahon’s UTHR Form 4 transactions?
The Form 4 shows a mixed pattern: Mahon acquired 8,300 shares through option exercise and disposed of 8,300 shares through open-market sales. Transaction summaries in the filing characterize this as an exercise of derivative securities paired with net share sales on the same date.
AI-generated analysis. How Rhea-AI works. Not financial advice.
