Ceribell CBLL Insider Ownership

Updated Oct 10, 2026

Over the past 12 months, Ceribell insiders sold $22.9 million of stock on the open market (1.13Mn shares) and made no open-market purchases.

• Ceribell's open-market sales in the past 12 months came from 10 insiders; no insider bought.
• Xingjuan Chao (President and CEO) led open-market sales of Ceribell stock over the past 12 months with $11.13 million (560.18K shares), most recently on September 15, 2026.
• The newest open-market trade among Ceribell insiders came on October 1, 2026, when Raymond Woo (Chief Technology Officer) made a sale of 4.89K shares for $119,145.
• Away from the open market, CBLL insiders received 174.19K shares in stock awards, acquired 649.46K shares through option exercises and conversions and gave up 4.72K shares to cover taxes or exercise prices over the last 12 months.
• Per Business Quant data, Ceribell insiders hold 8.34Mn shares in total based on their latest Form 4 filings, or 21.83% of the 38.22Mn shares outstanding; that total is down 0.60% from 8.39Mn shares at the end of Q2 2026 and down 10.42% from 9.31Mn shares at the end of Q3 2025.
• Of the 8.34Mn shares held by Ceribell insiders, 1.4Mn shares (16.73%) are held directly and 6.95Mn shares (83.27%) indirectly, through trusts, partnerships, family members and other entities.
• Business Quant counts 14 insiders with holdings in Ceribell stock, among the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• CBLL's largest insider holders by reported holdings are TPG GP A, LLC (3.77Mn shares), Bakker Juliet Tammenoms (Director, 2.5Mn shares) and Xingjuan Chao (President and CEO, 746.35K shares).
• The largest insider, TPG GP A, LLC, holds 45.13% of CBLL's insider total.
• In the last 12 months, 75 Form 4 filings with transactions in CBLL stock came from 14 insiders.
• These insider figures for Ceribell are based on Form 4 filings through October 2, 2026.