PEN Insider Filing: CEO Elsesser Exercises Options, Executes 10b5-1 Sales
Rhea-AI Filing Summary
Adam Elsesser, CEO and President of Penumbra, Inc. (PEN), exercised stock options and sold a portion of shares on 08/20/2025 under a Rule 10b5-1 plan. He exercised a stock option with a $30 exercise price to acquire 27,976 shares. On the same date he sold multiple blocks of common stock executed under his 10b5-1 trading plan: 459 shares at a weighted average price of $252.86, 9,114 shares at a weighted average price of $254.27, 6,227 shares at a weighted average price of $254.99, and 100 shares at $256.50. Following these transactions his direct beneficial ownership is reported as 170,280 shares. He also holds 577,582 shares indirectly through the Siegel/Elsesser Revocable Trust, all as reported on the Form 4.
Positive
- Use of a Rule 10b5-1 trading plan to execute sales, indicating pre-established and compliant insider trading arrangements
- Substantial residual ownership: 170,280 shares directly and 577,582 shares indirectly via trust, demonstrating continued insider alignment with shareholders
- Clear disclosure of weighted average sale prices and willingness to provide full trade details upon request
Negative
- Net reduction in direct holdings due to sales (direct shares decreased through multiple disposals on 08/20/2025)
- Significant insider sales executed the same day as option exercise, which may be viewed as insider liquidity rather than incremental investment
Insights
TL;DR: Exercise of options and concurrent sales under a 10b5-1 plan leave the CEO with substantial direct and indirect holdings, signaling continued alignment with shareholders.
The reporting shows a cashless exercise of 27,976 option shares at a $30 exercise price and immediate sales executed under a Rule 10b5-1 plan to cover exercise and tax obligations. Sales occurred in multiple tranches at weighted average prices between $252.86 and $256.50. Post-transaction holdings include 170,280 shares directly and 577,582 shares indirectly via a revocable trust. For investors this clarifies insider liquidity activity and confirms the use of a pre-established trading plan to manage tax/exercise obligations without indicating a change in overall ownership strategy.
TL;DR: The Form 4 documents compliant insider activity using a 10b5-1 plan and discloses trust holdings, consistent with good disclosure practices.
The filing identifies the CEO as both a director and officer and discloses transactions tied to option exercise and planned sales under a Rule 10b5-1 plan. The Form 4 includes explanations of multiple trade executions and commit to provide detailed trade information if requested. It also discloses material indirect ownership via the Siegel/Elsesser Revocable Trust. This level of disclosure supports transparency around insider liquidity while documenting that transactions were pre-planned rather than opportunistic sales.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (right to buy) | 27,976 | $0.00 | -- |
| Exercise | Common Stock | 27,976 | $30.00 | $839K |
| Sale | Common Stock | 459 | $252.86 | $116K |
| Sale | Common Stock | 9,114 | $254.27 | $2.32M |
| Sale | Common Stock | 6,227 | $254.99 | $1.59M |
| Sale | Common Stock | 100 | $256.50 | $26K |
| holding | Common Stock | -- | -- | -- |
Footnotes (1)
- The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan. The Reporting Person entered into the Rule 10b5-1 trading plan in connection with the expiration of certain stock options held by the Reporting Person and related sales of shares to satisfy the exercise price and tax withholding obligations upon the exercise of such stock options. This transaction was executed in multiple trades at prices ranging from $252.64 to $253.07. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $253.70 to $254.61. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $254.73 to $255.39. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected. Shares are held by the Siegel/Elsesser Revocable Trust. All shares are vested and exercisable.
