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[https://finance.yahoo.com/markets/stocks/articles/cerebras-cto-files-sell-over-081013367.html](https://finance.yahoo.com/markets/stocks/articles/cerebras-cto-files-sell-over-081013367.html)
* CTO Sean Lie filed to sell 710,247 common shares of Cerebras.
* Chief Operating Officer Dhiraj Mallick sold $8.64 million worth of shares.
* On Stocktwits, the retail sentiment for CBRS was 'bullish' on Friday.
Cerebras Systems senior executive commenced stock sales as the lock-up eases, with co-founder and Chief Technology Officer Sean Lie filing to sell over $153 million worth of shares.
Lie filed a Form 144 on Thursday indicating plans to sell 710,247 common shares of Cerebras. The shares were acquired when performance stock units vested in June, and the sale is tied to a 10b5-1 trading plan adopted the month before.
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Lie sold 21,257 shares for $4.72 million on Aug. 18 and 10,033 shares for $1.71 million on June 25, bringing his disclosed sales over the past three months to $6.43 million.
# Cerebras Insider Trades
Cerebras Systems executives disclosed stock sales, with Chief Operating Officer Dhiraj Mallick reporting the largest transaction.
Mallick sold 38,889 common shares for about $8.64 million, based on the individual prices disclosed in his Form 4. The shares were sold to cover tax-withholding obligations tied to the settlement of restricted stock units.
Yagnesh Patel, chief accounting officer at Cerebras, sold 4,574 shares for about $1 million. The filings also showed several large non-sale transfers and conversions involving Foundation Capital.
Cerebras' standard IPO lock-up is 180 days, but unlike a typical IPO, it has a staggered early-release structure for pre-IPO investors, including certain insiders and key managerial personnel.
Cerebras went public on May 14 and the lock-up would expire around November 10; however, portions of the locked-up shares are being released earlier in tranches following earnings and subject to specified conditions, according to the company's FAQs page.
The executives' lock-up agreements remain in effect until the earlier of 6 am ET on the second trading day after Cerebras releases its third-quarter 2026 earnings or Nov. 9, with the tax-related sales permitted under the lock-up.
# CBRS Stock Move, Retail View
Cerebras stock has ended in the red for four straight sessions, losing over 17% in total in their period.
Cerebras' market performance has been a mixed bag. The company made a strong debut, buoyed by optimism around its proprietary wafer technology, but the stock fell soon after its listing. Currently, CBRS shares are 40% below the price they opened at on their May 14 debut.

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