Septerna (SEPN) President & COO exercises 25,000 options and sells shares under 10b5-1 plan
Rhea-AI Filing Summary
Septerna, Inc. President and COO Elizabeth Bhatt exercised stock options for a total of 25,000 shares of Common Stock on August 11, 2026, including 18,681 shares at an exercise price of $6.81 and 6,319 shares at $2.76. On the same date, she sold 25,000 Common Stock shares at $44.00 per share. The sale was effected pursuant to a Rule 10b5-1 sales plan adopted on October 20, 2025, and certain options vest in monthly installments subject to her continued service.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Exercise and Sale: 25,000 shares ($955K approx. pre-tax spread)
Exercise and Sale
5 txns
Insider
Bhatt Elizabeth
Role
President and COO
Sold
25,000 shs ($1.10M)
Approx. gross sale proceeds
$1.10M
Approx. exercise cost
$145K
Approx. pre-tax spread
$955K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F2 | 18,681 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F3 | 6,319 | $0.00 | $0.00 |
| Exercise | Common Stock | 18,681 | $6.81 | $127K |
| Exercise | Common Stock | 6,319 | $2.76 | $17K |
| Sale | Common Stock F1 | 25,000 | $44.00 | $1.10M |
Holdings After Transaction:
Stock Option (Right to Buy) — 144,562 shares (Direct);
Common Stock — 174,209 shares (Direct)
Footnotes (3)
- F1. This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on October 20, 2025.
- F2. 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of October 28, 2024, subject to the Reporting Person's continuous service to the Issuer on each such date.
- F3. 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of August 1, 2023, subject to the Reporting Person's continuous service to the Issuer on each such date.
Key Figures
Options exercised at $6.81: 18,681 shares at $6.81
Options exercised at $2.76: 6,319 shares at $2.76
Total options exercised: 25,000 shares
+2 more
5 metrics
Options exercised at $6.81
18,681 shares at $6.81
Stock options exercised into Common Stock on August 11, 2026
Options exercised at $2.76
6,319 shares at $2.76
Stock options exercised into Common Stock on August 11, 2026
Total options exercised
25,000 shares
Aggregate underlying Common Stock from option exercises on August 11, 2026
Shares sold
25,000 shares at $44.00
Common Stock sale on August 11, 2026 under Rule 10b5-1 plan
Rule 10b5-1 plan adoption date
October 20, 2025
Date Elizabeth Bhatt adopted the sales plan used for the August 11, 2026 sale
Key Terms
Rule 10b5-1 sales plan, Stock Option (Right to Buy), exercise price, vesting
4 terms
Rule 10b5-1 sales plan regulatory
"This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted"
Stock Option (Right to Buy) financial
"security_title: Stock Option (Right to Buy) for derivative transactions"
exercise price financial
"conversion_or_exercise_price: 6.8100 and 2.7600 for option exercises"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
vesting financial
"shares subject to such option vest and become exercisable in substantially equal"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
FAQ
What did Septerna, Inc. (SEPN) insider Elizabeth Bhatt report in this Form 4?
Elizabeth Bhatt reported exercising 25,000 stock options and selling 25,000 shares of Common Stock at $44.00 per share on August 11, 2026, as part of her compensation-related equity activity.
How many Septerna (SEPN) options did Elizabeth Bhatt exercise and at what prices?
She exercised 18,681 options at an exercise price of $6.81 and 6,319 options at $2.76, converting them into an aggregate of 25,000 Common Stock shares on August 11, 2026.
Was Elizabeth Bhatt’s Septerna (SEPN) stock sale under a Rule 10b5-1 plan?
Yes. The 25,000-share sale at $44.00 was effected under a Rule 10b5-1 sales plan that she adopted on October 20, 2025, indicating trades were pre-arranged under that plan.
What is Elizabeth Bhatt’s role at Septerna (SEPN) mentioned in this Form 4?
Elizabeth Bhatt is identified as President and COO of Septerna, Inc. The reported transactions reflect her executive equity activity, including option exercises and a related share sale on August 11, 2026.
How do the vesting terms work for Elizabeth Bhatt’s Septerna (SEPN) options?
For the reported options, 1/48th of the shares vest monthly on each monthly anniversary of specified grant dates, conditioned on her continuous service to Septerna on each such vesting date.
AI-generated analysis. How Rhea-AI works. Not financial advice.
