Ceribell CTO exercises 13K options, sells shares
Ceribell’s chief technology officer exercised multiple stock options and sold a portion of the resulting shares under a pre-arranged Rule 10b5-1 trading plan.
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Form Type
4
Rhea-AI Filing Summary
Ceribell, Inc. (CBLL) reported that Chief Technology Officer Raymond Woo exercised stock options to acquire a total of 13,276 shares of common stock on September 8, 2026, at exercise prices of $2.24, $3.65, and $4.70 per share, and sold 4,887 shares of common stock at $24.33 per share the same day. The company states these transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Woo on June 5, 2026.
Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
7 txns
Insider
Woo Raymond
Role
Chief Technology Officer
Sold
4,887 shs ($119K)
Approx. gross sale proceeds
$119K
Approx. exercise cost
$37K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F1, F2 | 8,389 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F1, F3 | 4,864 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F1, F2 | 23 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 8,389 | $2.24 | $19K |
| Exercise | Common Stock F1 | 4,864 | $3.65 | $18K |
| Exercise | Common Stock F1 | 23 | $4.70 | $108.10 |
| Sale | Common Stock F1 | 4,887 | $24.33 | $119K |
Holdings After Transaction:
Stock Option (Right to Buy) — 72,545 contracts (Direct);
Common Stock — 203,118 shares (Direct)
Footnotes (3)
- F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2026.
- F2. The stock option is fully vested and currently exercisable.
- F3. The option vests with respect to 1/48 of the shares subject thereto on each monthly anniversary of June 10, 2021, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.
Key Figures
Options exercised: 13,276 shares
Shares sold: 4,887 shares
Sale price per share: $24.33 per share
+4 more
7 metrics
Options exercised
13,276 shares
Total Ceribell common shares acquired through option exercises on September 8, 2026
Shares sold
4,887 shares
Ceribell common shares sold on September 8, 2026
Sale price per share
$24.33 per share
Price for the 4,887 Ceribell common shares sold on September 8, 2026
Option exercise price 1
$2.24 per share
Exercise price for 8,389 options into Ceribell common stock
Option exercise price 2
$3.65 per share
Exercise price for 4,864 options into Ceribell common stock
Option exercise price 3
$4.70 per share
Exercise price for 23 options into Ceribell common stock
Rule 10b5-1 plan adoption date
June 5, 2026
Date Raymond Woo adopted the trading plan governing the reported transactions
Key Terms
Rule 10b5-1 trading plan, Stock Option, Common Stock
3 terms
Rule 10b5-1 trading plan regulatory
"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted"
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.
Stock Option financial
"Stock Option (Right to Buy) reported as a derivative security"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
Common Stock financial
"underlying security title listed as Common Stock"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did Ceribell (CBLL) report for Raymond Woo on September 8, 2026?
Ceribell reported that Chief Technology Officer Raymond Woo exercised options for 13,276 shares of common stock and sold 4,887 shares of common stock on September 8, 2026.
At what prices were Raymond Woo’s Ceribell (CBLL) stock options exercised?
Raymond Woo exercised Ceribell stock options at exercise prices of $2.24, $3.65, and $4.70 per share, each converting into an equal number of common shares as reported.
Were Raymond Woo’s Ceribell (CBLL) trades made under a Rule 10b5-1 plan?
Yes. The company states that the transactions reported for Raymond Woo were effected pursuant to a Rule 10b5-1 trading plan adopted on June 5, 2026.
How many Ceribell (CBLL) stock options did Raymond Woo exercise in total?
Raymond Woo exercised options covering 13,276 shares of Ceribell common stock in three tranches: 8,389 shares, 4,864 shares, and 23 shares.
What types of securities were involved in Raymond Woo’s Ceribell (CBLL) Form 4?
The Form 4 reports exercises of stock options, each convertible into Ceribell common stock, and related transactions in the underlying common stock, including a sale of 4,887 common shares.
AI-generated analysis. How Rhea-AI works. Not financial advice.
