Ceribell CTO sells shares after option exercise
Ceribell, Inc. Chief Technology Officer Raymond Woo reported an exercise-and-sell transaction in company stock.
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Form Type
4
Rhea-AI Filing Summary
Ceribell, Inc. Chief Technology Officer Raymond Woo reported an exercise-and-sell transaction in company stock. He exercised stock options covering a total of 11,104 shares of common stock at exercise prices of $4.70 and $2.24 per share, then sold 11,104 shares in open-market transactions at weighted average prices around $20.40 per share. According to the filing, these trades were carried out under a pre-arranged Rule 10b5-1 trading plan. Following the transactions, Woo directly holds 197,648 shares of Ceribell common stock.
Insider Trade Summary 10b5-1
Exercise and Sale: 11,104 shares ($178K approx. pre-tax spread)
Exercise and Sale
9 txns
Insider
Woo Raymond
Role
Chief Technology Officer
Sold
11,104 shs ($227K)
Approx. gross sale proceeds
$227K
Approx. exercise cost
$49K
Approx. pre-tax spread
$178K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) | 1,469 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) | 3,024 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) | 6,611 | $0.00 | $0.00 |
| Exercise | Common Stock | 1,469 | $2.24 | $3K |
| Sale | Common Stock | 1,469 | $20.39 | $30K |
| Exercise | Common Stock | 3,024 | $4.70 | $14K |
| Sale | Common Stock | 3,024 | $20.43 | $62K |
| Exercise | Common Stock | 6,611 | $4.70 | $31K |
| Sale | Common Stock | 6,611 | $20.45 | $135K |
Holdings After Transaction:
Stock Option (Right to Buy) — 60,153 contracts (Direct);
Common Stock — 197,648 shares (Direct)
Footnotes (4)
- F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 28, 2025.
- F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.88 to $20.64, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold, as applicable, at each separate price within the ranges set forth in this footnote.
- F3. The stock option is fully vested and currently exercisable.
- F4. The option vests with respect to 1/48 of the shares subject thereto on each monthly anniversary of April 1, 2023, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date.
Key Figures
Shares sold: 11,104 shares
Sale prices (weighted average): $20.45, $20.43, $20.39 per share
Sale price range: $19.88–$20.64 per share
+4 more
7 metrics
Shares sold
11,104 shares
Total Ceribell common shares sold in open-market transactions
Sale prices (weighted average)
$20.45, $20.43, $20.39 per share
Reported weighted average prices for three sale entries
Sale price range
$19.88–$20.64 per share
Footnote range for individual sale transactions
Options exercised
11,104 shares
Total common shares underlying exercised stock options
Exercise prices
$4.70 and $2.24 per share
Exercise prices of Ceribell stock options converted to common stock
Shares held after
197,648 shares
Direct Ceribell common stock ownership after transactions
Options remaining (example)
8,389 options
Stock option with $2.24 exercise price remaining after partial exercise
Key Terms
Rule 10b5-1 trading plan, weighted average price, Stock Option (Right to Buy), Exercise or conversion of derivative security, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"
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.
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.
Stock Option (Right to Buy) financial
"security_title: "Stock Option (Right to Buy)""
Exercise or conversion of derivative security financial
"transaction_code_description: "Exercise or conversion of derivative security""
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.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did Ceribell (CBLL) report for Raymond Woo?
Ceribell’s Chief Technology Officer Raymond Woo exercised options for 11,104 shares and sold 11,104 common shares in open-market trades. The transactions were reported on a Form 4 and executed under a pre-arranged Rule 10b5-1 trading plan.
What stock options did the Ceribell (CBLL) CTO exercise in this Form 4?
The CTO exercised stock options covering 11,104 shares of Ceribell common stock. These included options with exercise prices of $4.70 per share and $2.24 per share, converting them into common shares that were then sold in the market.
Were the Ceribell (CBLL) CTO’s trades part of a Rule 10b5-1 plan?
Yes. A Form 4 footnote explains that the reported transactions were effected under a Rule 10b5-1 trading plan adopted by the reporting person. Such plans pre-schedule trades, helping separate routine liquidity events from discretionary market-timed decisions.
What do the weighted average prices in the Ceribell (CBLL) Form 4 mean?
The Form 4 reports weighted average sale prices, reflecting many small trades between $19.88 and $20.64. The insider notes willingness to provide full detail on each individual transaction price and share count upon request to investors or regulators.
AI-generated analysis. How Rhea-AI works. Not financial advice.
