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Cerebras Systems Inc.

Sean Lie (Chief Technology Officer) sells CBRS shares

4CBRSFiled Oct 28, 2026, 6:30 PM ET· Period Oct 27, 2026

AI-generated summary

Chief Technology Officer Sean Lie converted 32,023 shares, gifted 18,000 shares, and sold 60,000 shares for $6,947,166 at an average price of $115.79. Following these transactions, the insider directly holds 263,592 shares. The sales were executed under a Rule 10b5-1 trading plan adopted on May 20, 2026.

Key facts

Insider
Sean Lie · Chief Technology Officer

Rule 10b5-1 plan · adopted May 20, 2026

DateTransactionSharesPriceValueHeld afterOwnership
Oct 27, 2026C · conversionFootnotes F1+32,023——341,592Direct
Oct 27, 2026G · giftFootnotes F2−18,000$0.00$0.00323,592Direct
Oct 27, 2026S · open-market saleFootnotes F3, F4−14,500$116.82$1,693,890.00309,092Direct
Oct 27, 2026S · open-market saleFootnotes F3, F5−45,400$115.46$5,241,884.00263,692Direct
Oct 27, 2026S · open-market saleFootnotes F3−100$113.92$11,392.00263,592Direct
Oct 27, 2026M · exercise or conversion of a derivativeStock OptionFootnotes F6−28,898$0.00$0.00143,248Direct
Oct 27, 2026M · exercise or conversion of a derivativeStock OptionFootnotes F7−3,125$0.00$0.0029,295Direct
Oct 27, 2026M · exercise or conversion of a derivativeClass B Common StockFootnotes F1+32,023$0.00$0.007,615,015Direct
Oct 27, 2026C · conversionClass B Common StockFootnotes F1−32,023$0.00$0.007,582,992Direct
Footnotes
  1. F1 The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.
  2. F2 The reporting person transferred 18,000 shares of the Issuer's common stock to a donor-advised fund sponsored by a charitable organization under Section 501(c)(3) of the Internal Revenue Code.
  3. F3 The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.
  4. F4 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $116.58 to $116.88, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
  5. F5 The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $115.46 to $116.19, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
  6. F6 The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2024.
  7. F7 The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2023.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.