STOCK TITAN

CeriBell, Inc. Form 4 Filings

CBLL NASDAQ

Every Form 4 that CeriBell, Inc. (CBLL) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow CBLL and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CBLL filings page.

Rhea-AI Summary

Ceribell, Inc. Chief Technology Officer Raymond Woo exercised options on October 1, 2026, to acquire 4,864 shares at $3.65 per share and 23 shares at $4.70 per share, and sold 4,887 shares at $24.38 per share. The transactions were effected pursuant to a Rule 10b5-1 trading plan Raymond Woo adopted on June 5, 2026.

Rhea-AI Summary

Ceribell, Inc. (CBLL) director, President and CEO Chao Xingjuan reported selling 20,846 shares of common stock on September 15, 2026 at a weighted average price of $25.03 per share under a Rule 10b5-1 trading plan adopted September 12, 2025. Following this sale, she holds 746,345 shares directly and 369,088 shares indirectly through the ACP 2021 Trust, for which she is a co-trustee and disclaims beneficial ownership except for her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported that its Chief Financial Officer, Scott Blumberg, exercised stock options for 846 shares of common stock at an exercise price of $9.41 per share on September 15, 2026, and sold 846 shares of common stock at a weighted average price of about $25 per share the same day. These transactions were effected under a Rule 10b5-1 trading plan adopted on December 12, 2025. Following the option exercise, he held 51,802 stock options that are fully vested and currently exercisable.

Rhea-AI Summary

Ceribell, Inc. insider David Foehr, Senior VP, Finance and PAO, exercised options for 7,500 shares of common stock at $4.70 per share on September 8, 2026, and on the same date sold a total of 9,255 shares in open-market transactions under a pre-arranged Rule 10b5-1 trading plan.

After the option exercise, he reported 45,385 option-based rights remaining; his common-stock holdings after the sales were not stated.

Rhea-AI 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.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported that President and CEO, and director, Xingjuan Chao exercised stock options for a total of 25,000 shares of Common Stock at an exercise price of $4.70 per share on September 2, 2026, and on the same date sold 39,540 shares of Common Stock at a weighted average price of $24.61 per share in transactions effected pursuant to a Rule 10b5-1 trading plan.

Following these transactions, 369,088 shares of Common Stock are reported as held indirectly through the ACP 2021 Trust, where Chao is a co-trustee and may be deemed to share beneficial ownership, while disclaiming beneficial ownership except to the extent of her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. insider activity shows that on September 2, 2026, Chief Financial Officer Scott Blumberg exercised a fully vested stock option to acquire 652 shares of common stock at an exercise price of $9.41 per share and then sold 652 shares of common stock at $25.00 per share. After this option exercise, he continued to hold 52,648 stock options directly. All reported transactions were effected under a Rule 10b5-1 trading plan adopted on December 12, 2025.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported that Chief Revenue Officer Joseph S. Manni sold 1,361 shares of common stock on 2026-08-21 at $24.02 per share. According to the disclosure, these shares were sold to cover tax withholding obligations related to vesting restricted stock units. After this transaction, he directly held 55,956 shares, which includes 1,026 shares acquired through Ceribell's Employee Stock Purchase Plan on 2026-07-31.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported insider transactions by David Foehr, Senior VP, Finance and PAO. On August 21, 2026, he sold 993 shares of common stock at $24.02 per share to cover tax withholding obligations related to vesting RSUs. On August 24, 2026, he sold 859 shares of common stock at $23.95 per share in an open-market or private transaction effected pursuant to a Rule 10b5-1 trading plan. Both transactions involved directly held shares.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported an insider transaction by Chief Technology Officer Raymond Woo. On August 21, 2026, Woo sold 1,979 shares of common stock at $24.02 per share in a sale used to cover tax withholding obligations related to vesting restricted stock units. After this transaction, Woo directly held 194,729 shares of common stock, which includes 1,026 shares acquired under Ceribell's Employee Stock Purchase Plan on July 31, 2026.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported that Chief Financial Officer Scott Blumberg sold shares of common stock. On 2026-08-21, he sold 1,521 shares at $24.02 per share in a transaction described as a sale in the open market or a private transaction. According to the footnote, these shares were sold to cover tax withholding obligations arising from the vesting of restricted stock units. After this transaction, Blumberg directly holds 146,600 shares of Ceribell common stock.

Rhea-AI Summary

Ceribell, Inc. (CBLL) director and President & CEO Chao Xingjuan reported selling 6,068 shares of common stock on 2026-08-21 at $24.02 per share. According to a footnote, these shares were sold to cover tax withholding obligations arising from vesting of restricted stock units. After this sale, she directly held 781,731 shares. A separate holding entry reports an additional 369,088 shares held indirectly through the ACP 2021 Trust, where she is a co-trustee and may be deemed to share beneficial ownership but disclaims ownership beyond her pecuniary interest. The Rule 10b5-1 checkbox was not marked as a plan transaction.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported insider transactions by Chief Financial Officer Scott Blumberg on August 18–19, 2026. Blumberg exercised stock options covering 34,502 shares of common stock at exercise prices of $4.70 and $9.41 per share, then sold 34,502 shares of common stock at prices around $25 per share, including a weighted average sale price of $25.03. All transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on December 12, 2025.

Rhea-AI Summary

Ceribell, Inc. (symbol: CBLL) is the issuer of record for a Form 4/A filing submitted to the SEC.

Rhea-AI Summary

Ceribell, Inc. (CBLL) reported that President and CEO Chao Xingjuan sold a total of 33,614 shares of common stock in open-market transactions on August 18–19, 2026, at prices around $25 per share. The transactions were effected pursuant to a Rule 10b5-1 trading plan. Xingjuan also reported an indirect holding of 369,088 shares of common stock held by the ACP 2021 Trust, where she is a co-trustee and disclaims beneficial ownership except to the extent of her pecuniary interest. The August 19 sale price is disclosed as a weighted average with individual trade prices ranging from $25.00 to $25.30.

Rhea-AI Summary

Ceribell, Inc. executive Xingjuan Chao, President and CEO, reported option exercises on August 13, 2026. She exercised stock options for 8,096 shares of common stock at an exercise price of $2.24 per share and for 25,000 shares at $3.65 per share, converting derivative awards into common stock. A separate holding entry shows 369,088 shares of common stock held indirectly by the ACP 2021 Trust, where she is co-trustee and may be deemed to share beneficial ownership, while disclaiming beneficial ownership except to the extent of her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. director Joseph Michael Taylor reported a sale of common stock. On 2026-08-13, he sold 13,095 shares of Ceribell common stock in a sale categorized as an open market or private transaction at $23.40 per share. Following this transaction, he directly holds 48,478 shares of Ceribell common stock.

Rhea-AI Summary

Ceribell, Inc. President and CEO Chao Xingjuan exercised stock options covering 25,000 shares of common stock at an exercise price of $4.70 per share and sold 39,000 common shares at a weighted average price of $18.32, in multiple trades between $17.88 and $18.72, pursuant to a Rule 10b5-1 trading plan.

An entity associated with her, the ACP 2021 Trust, holds 369,088 shares; she may be deemed to share beneficial ownership of these securities but disclaims beneficial ownership except to the extent of her pecuniary interest.

Rhea-AI Summary

West Thomas A. reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Thomas A. West received an equity grant of 16,011 shares of Common Stock in the form of restricted stock units (RSUs) on 2026-07-28. The award was reported at a per-share price of $0.00, and his directly held position after this grant is 16,011 shares, all from this RSU award.

Rhea-AI Summary

O'KEEFE SHARON reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Sharon O'Keefe received a grant of 16,011 restricted stock units (RSUs) representing common stock on July 28, 2026. The award was reported at a price of $0.00 per unit and results in total direct holdings of 16,011 RSUs after the transaction.

Rhea-AI Summary

Ceribell, Inc. President and CEO Xingjuan Chao reported an exercise-and-sell transaction in Common Stock. On July 7, 2026, she exercised stock options to acquire a total of 25,000 shares at an exercise price of $4.70 per share and sold 39,000 shares of Common Stock in open-market transactions at a weighted average price of $19.90 per share. These transactions were carried out under a pre-arranged Rule 10b5-1 trading plan. Following the transactions, she directly holds 802,317 shares of Common Stock and may be deemed to share beneficial ownership of 369,088 shares held indirectly through the ACP 2021 Trust. The stock option referenced in the filing is fully vested and currently exercisable.

Rhea-AI Summary

Ceribell, Inc. director William W. Burke reported an open-market sale of 2,207 shares of Common Stock at a price of $19.84 per share. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person. After this sale, Burke directly holds 23,022 Ceribell shares, indicating he retains a substantial ongoing equity position in the company.

Rhea-AI Summary

TPG Rise Clearthought, L.P., an investment entity connected to the reporting group, sold 202,368 shares of Ceribell, Inc. common stock in an open-market transaction at a weighted average price of $20.1203 per share. After this sale on June 26, 2026, TPG Rise Clearthought directly held 3,765,054 Ceribell common shares. The price reflects multiple trades between $19.90 and $20.675. The reporting persons state they may be deemed to beneficially own these securities only to the extent of their respective pecuniary interests and expressly disclaim beneficial ownership beyond that.

Rhea-AI Summary

Ceribell, Inc. director Joseph Michael Taylor reported an open-market sale of Common Stock. On June 11, 2026, he sold 5,500 shares at $18.41 per share. After this transaction, he continues to hold 61,573 shares of Ceribell common stock directly.

Rhea-AI Summary

Ceribell, Inc. President and CEO Xingjuan Chao reported a combination of stock option exercises and open-market sales of Common Stock. On June 8, 2026, she exercised options to acquire 25,000 shares of Common Stock at an exercise price of $4.70 per share and sold a total of 39,000 shares of Common Stock in open-market transactions at a weighted average price of approximately $18.33 per share, with individual sale prices ranging from $18.15 to $18.75.

Following these transactions, she held 816,317 shares of Common Stock directly. In addition, 369,088 shares of Common Stock were held indirectly through the ACP 2021 Trust, where she serves as co-trustee and may be deemed to share beneficial ownership, while disclaiming beneficial ownership except to the extent of her pecuniary interest. The stock options exercised carry a $4.70 exercise price and an expiration date of February 16, 2033, and are described as fully vested and currently exercisable. The filing notes that the sale transactions were effected pursuant to a Rule 10b5-1 trading plan, indicating they were executed under a pre-arranged trading program.

Rhea-AI Summary

Ceribell, Inc. director Juliet Tammenoms Bakker reported an equity compensation grant and updated holdings. She received 7,838 restricted stock units (RSUs) of common stock at no cost, increasing her direct ownership to 23,284 shares after the award. This is a non‑market, compensation-related acquisition rather than an open-market purchase.

The filing also records 2,475,110 shares of common stock held indirectly through Longitude Venture Partners IV, L.P. Footnotes state that Longitude Capital Partners IV, LLC and its managing members, including Ms. Tammenoms Bakker, may be deemed to share voting and investment power over these securities but each disclaims beneficial ownership except to the extent of their pecuniary interests.

Rhea-AI Summary

Parvizi Josef reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Josef Parvizi reported an equity award and updated share holdings. He received a grant of 7,838 restricted stock units (RSUs) of common stock at a price of $0.00 per share, increasing his directly held RSUs to 23,284. Footnotes explain that 15,446 of these RSUs were previously reported as indirectly held through the Josef Parvizi Trust but are now held directly.

In addition to the direct RSUs, the filing lists indirect holdings of common stock through three trusts as of the transaction date: 707,206 shares by the Josef Parvizi Trust, 907,911 shares by the Innovation ACP Trust, and 369,088 shares by the ACP 2021 Trust. Parvizi is trustee or co‑trustee of these trusts and may be deemed to have beneficial ownership, but he disclaims beneficial ownership except to the extent of his pecuniary interest.

Rhea-AI Summary

Rogers Erica J. reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Erica J. Rogers received an award of 7,838 shares of Common Stock in the form of restricted stock units. The RSU grant was recorded at a price of $0.00 per share, bringing her directly held position to 33,054 shares following the award.

Rhea-AI Summary

Ceribell, Inc. director William W. Burke received an equity award in the form of restricted stock units. On the reported date, he acquired 7,838 shares of common stock at no cash cost through this grant, bringing his directly held position to 25,229 shares after the transaction.

Rhea-AI Summary

Taylor Joseph Michael reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Joseph Michael Taylor received a grant of 7,838 shares of common stock in the form of restricted stock units (RSUs). The award was recorded at a price of $0.00 per share, reflecting a compensation grant rather than an open-market purchase or sale.

Following this RSU award, Taylor directly holds 67,073 shares of Ceribell common stock. This filing reports a routine equity-based compensation grant and does not reflect any discretionary buying or selling of shares on the market.

Rhea-AI Summary

ROBERTSON REBECCA B reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. director Rebecca B. Robertson received a grant of 7,838 restricted stock units on June 2, 2026. These RSUs were awarded at no cash cost per unit as equity compensation rather than an open-market purchase. After this award, she holds 26,587 common shares and RSUs directly.

Rhea-AI Summary

Ceribell, Inc. Chief Revenue Officer Joseph S. Manni reported routine equity compensation activity and a small share sale. He sold 1,378 shares of Common Stock at $18.00 per share on May 21, 2026 to cover tax withholding obligations from vesting restricted stock units, and still holds 56,291 shares afterward.

Separately, he received a performance-based stock option covering 3,500 shares of Common Stock at an exercise price of $9.41 per share, tied to 2025 performance metrics. This option is fully vested as of March 15, 2026 and is currently exercisable, with an expiration date in 2034.

Rhea-AI Summary

Ceribell, Inc. senior vice president David Foehr reported small open‑market sales of company stock that were tied to taxes on equity compensation. He sold 987 shares of common stock on May 21 at $18.00 per share and 862 shares on May 22 at $18.80 per share, totaling 1,849 shares. According to the disclosure, these shares were sold to cover tax withholding obligations from the vesting of restricted stock units and were executed under a pre‑arranged Rule 10b5‑1 trading plan. After these transactions, Foehr directly holds 37,751 shares of Ceribell common stock.

Rhea-AI Summary

Ceribell, Inc. Chief Technology Officer Raymond Woo reported a small sale of 1,966 shares of Common Stock at $18.00 per share. According to the footnote, these shares were sold to cover tax withholding obligations tied to the vesting of restricted stock units. After this transaction, Woo directly owns 195,682 shares, so the sale represents only a minor portion of his overall holdings and appears to be a routine tax-related event rather than a large discretionary trade.

Rhea-AI Summary

Ceribell, Inc. Chief Financial Officer Scott Blumberg reported a small share sale tied to compensation. He sold 1,387 shares of common stock at $18.00 per share to cover tax withholding obligations arising from the vesting of restricted stock units. After this transaction, he continues to hold 147,683 shares of Ceribell common stock directly, indicating this was a routine, tax-related disposition rather than a large reduction of his overall position.

Rhea-AI Summary

Ceribell, Inc. President and CEO Chao Xingjuan reported a small share sale mainly for tax purposes. On the Form 4 date, she sold 6,030 shares of common stock at $18.00 per share to cover tax withholding obligations tied to vesting restricted stock units. After this transaction, she directly holds 830,317 shares and may be deemed to beneficially own 369,088 additional shares indirectly through the ACP 2021 Trust.

Rhea-AI Summary

Ceribell, Inc. President and CEO Xingjuan Chao reported an exercise-and-sell transaction in Ceribell common stock. On May 5, 2026, she exercised stock options to acquire 25,000 shares at a conversion price of $4.70 per share and sold 39,000 shares in open-market trades at prices ranging from $19.77 to $20.48, based on weighted average prices. These trades were executed under a pre-arranged Rule 10b5-1 trading plan. Following the transactions, she holds 836,347 shares directly and 369,088 shares indirectly through the ACP 2021 Trust, where she serves as co-trustee and disclaims beneficial ownership beyond her pecuniary interest.

Rhea-AI 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.

Rhea-AI Summary

Ceribell, Inc. director and CEO Xingjuan Chao exercised stock options and sold shares in a planned trade. On April 6, 2026, she exercised options for 25,000 shares of Common Stock at $4.70 per share and sold 39,000 shares at a weighted average price of $18.40 per share pursuant to a Rule 10b5-1 trading plan. After these transactions, she holds 850,347 shares directly and 369,088 shares indirectly through the ACP 2021 Trust, where she is a co-trustee and disclaims beneficial ownership beyond her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. reported that President and CEO Chao Xingjuan received equity compensation awards. She was granted a stock option for 162,592 shares of common stock at an exercise price of $18.50 per share, expiring on April 1, 2036, vesting quarterly starting on May 20, 2026. She also received a grant of 97,555 shares of common stock in the form of restricted stock units. Following these awards, she directly holds 864,347 shares of common stock and has an additional 369,088 shares held indirectly through the ACP 2021 Trust, where she is a co-trustee and disclaims beneficial ownership except for her pecuniary interest.

Rhea-AI Summary

Blumberg Scott reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. Chief Financial Officer Scott Blumberg reported equity compensation awards. He received a stock option to buy 51,227 shares of common stock at $18.50 per share, expiring on April 1, 2036, and a grant of 30,736 restricted stock units. Following the common stock grant, his direct common stock holdings increased to 149,070 shares. The option shares vest on each quarterly anniversary from May 20, 2026, as long as he remains in an employment or service relationship with Ceribell, making these routine, service-based compensation awards rather than open-market purchases.

Rhea-AI Summary

Foehr David reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. senior vice president of finance and principal accounting officer David Foehr reported equity compensation awards. He received a grant of options to buy 36,750 shares of common stock at $18.50 per share, expiring on April 1, 2036, and 22,050 restricted stock units.

The option shares will vest on each quarterly anniversary from May 20, 2026, as long as he continues his service with the company on each vesting date. Following these grants, Foehr directly holds 39,600 shares of common stock. These are compensation-related awards, not open-market purchases or sales.

Rhea-AI Summary

Manni Joseph S. reported acquisition or exercise transactions in this Form 4 filing.

Ceribell, Inc. reported that Chief Revenue Officer Joseph S. Manni received equity compensation on April 1, 2026. He was granted a stock option to buy 51,227 shares of common stock at $18.50 per share, expiring on April 1, 2036, and a separate grant of 30,736 shares of common stock as restricted stock units. The option vests on each quarterly anniversary from May 20, 2026, subject to his continued service. After these awards, he directly owns 57,669 shares of common stock.

Rhea-AI Summary

Ceribell, Inc. Chief Technology Officer Raymond Woo reported a mix of option exercises, stock sales, and new equity awards. On April 1, he exercised stock options for a total of 11,112 shares of common stock at exercise prices of $2.24 and $4.70 per share, then sold the same 11,112 shares in open-market transactions at prices around $18.53–$18.58. The filing notes these trades were made under a Rule 10b5-1 trading plan. Woo also received new grants: 51,227 stock options at an exercise price of $18.50 and 30,736 restricted stock units, bringing his direct common stock holdings to 197,648 shares after the transactions.

Rhea-AI Summary

Ceribell, Inc. President and CEO Chao Xingjuan reported exercising stock options to acquire a total of 55,628 shares of common stock. She exercised options for 36,628 shares at an exercise price of $2.24 per share and 19,000 shares at $3.65 per share.

After these transactions, she holds 766,792 shares of common stock directly. An additional 369,088 shares are held indirectly by the ACP 2021 Trust, where she is a co-trustee and may be deemed to share beneficial ownership, while disclaiming beneficial ownership except to the extent of her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. Senior VP, Finance and PAO David Foehr exercised stock options and sold shares in the company. On March 3, 2026, he exercised options for 3,403 and 1,157 shares of common stock at $4.70 per share and then sold the same totals, 4,560 shares of common stock, at $17.80 per share in open-market transactions. After these trades, he directly held 17,550 shares of Ceribell common stock. The sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on September 4, 2025, and the underlying options vest over time through monthly installments after an initial 25% vesting on May 31, 2023.

Rhea-AI Summary

Ceribell, Inc. director Rebecca B. Robertson reported an open-market sale of 827 shares of common stock at $17.80 per share. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan, and she now holds 18,749 shares directly.

Rhea-AI Summary

Ceribell, Inc. President and CEO Xingjuan Chao exercised stock options and sold shares in a planned series of trades. She exercised options covering 1,446 and 23,554 shares of common stock at an exercise price of $4.70 per share, then sold a total of 39,000 common shares in open-market transactions on March 3, 2026 at weighted average prices around $17.45–$17.46 per share under a Rule 10b5-1 trading plan. Following these transactions, she holds 711,164 shares directly and has indirect exposure to 369,088 additional shares held by the ACP 2021 Trust, where she is a co-trustee and disclaims beneficial ownership beyond her pecuniary interest.

Rhea-AI Summary

Ceribell, Inc. Chief Technology Officer Raymond Woo reported a set of option exercises and related share sales in Ceribell stock. On March 2, 2026, he exercised multiple stock options to acquire common shares and then sold 11,112 shares of common stock in open-market transactions under a pre-arranged Rule 10b5-1 trading plan adopted on May 28, 2025. The reported sale prices were based on weighted-average prices within ranges from $18.10 to $18.41 per share. After these transactions, Woo directly held 166,912 shares of Ceribell common stock.

Rhea-AI Summary

Ceribell, Inc. senior vice president of finance David Foehr sold 1,350 shares of common stock in open-market transactions. The sales involved 781 shares at an average price of $19.98 on February 24, 2026 and 569 shares at $19.79 on February 23, 2026.

According to the disclosure, these shares were sold to cover tax withholding obligations tied to vesting restricted stock units, and were executed under a pre-arranged Rule 10b5-1 trading plan adopted on September 4, 2025. After these sales, Foehr directly owned 17,550 common shares.