[Form 4] Cerebras Systems Inc. Insider Trading Activity
Rhea-AI Filing Summary
Cerebras Systems Inc. Chief Technology Officer and 10% owner Sean Lie reported internal equity restructuring and tax-related share withholding. On May 13, 2026, 96,127 shares of Class A common stock were withheld at $185.00 per share to cover tax liability on vesting of restricted stock units, which the filing states was not a market sale.
On May 15, 2026, the filing shows multiple "J" code transactions reflecting reclassification of Lie’s holdings so that Class A common stock and related awards were converted into Class B common stock in an exempt transaction under Rule 16b-7, in connection with the company’s initial public offering. Following these changes, Lie holds 8,209,731 shares of Class B common stock directly and 180,600 shares indirectly through a spouse, plus several vested stock options over Class B common stock.
Positive
- None.
Negative
- None.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Other | Class B Common Stock | 8,209,731 | $0.00 | -- |
| Other | Class B Common Stock | 180,600 | $0.00 | -- |
| Other | Stock Option | 350,000 | $0.00 | -- |
| Other | Stock Option | 175,000 | $0.00 | -- |
| Other | Stock Option | 100,000 | $0.00 | -- |
| Other | Stock Option | 150,000 | $0.00 | -- |
| Other | Stock Option | 400,000 | $0.00 | -- |
| Other | Stock Option | 350,000 | $0.00 | -- |
| Other | Stock Option | 175,000 | $0.00 | -- |
| Other | Stock Option | 100,000 | $0.00 | -- |
| Other | Stock Option | 150,000 | $0.00 | -- |
| Other | Stock Option | 400,000 | $0.00 | -- |
| Other | Class A Common Stock | 8,209,731 | $0.00 | -- |
| Other | Class A Common Stock | 180,600 | $0.00 | -- |
| Tax Withholding | Class A Common Stock | 96,127 | $185.00 | $17.78M |
Footnotes (1)
- Represents shares withheld by the Issuer to satisfy tax liability on vesting of restricted stock units. Not a market sale. Immediately prior to the completion of the Issuer's initial public offering, each share of Class A common stock beneficially owned by the Reporting Person, including shares of Class A common stock underlying restricted stock unit ("RSU") and stock options awards, were reclassified into one share of Class B common stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock. The stock option is fully vested and exercisable. The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2023. The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2024.
