Lie Sean
Lie Sean, CTO, reported an open-market or private sale at Cerebras Systems Inc. involving 119311.000000 shares for an estimated $24899012.59. Reported holdings after the transaction were 565483.000000 shares. The stored filing text includes a detected 10b5-1 reference.
- Trade date
- Aug 20, 2026
- Filing date
- Aug 22, 2026
How reported position traded is calculated
Shares sold ÷ (holdings after + shares sold). Estimated position before: 684,794 shares.
Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.
CBRS price since this filing
Daily closing prices, with the filing date and available return windowsTransaction facts
Stored Form 4 columns with their raw values
- Type
- Sell Code S
- Identifier
- 0001628280-26-058506 Class A Common Stock
- Transaction date
- Aug 20, 2026 Filed Aug 22, 2026, 12:58 AM · 2d delay
- Shares
- 119,311 sh $208.69 per share
- Estimated value
- -$24.8M Computed from shares × price
- Holdings after
- 565,483 sh Direct
Filing signal explanations
Badges describe filing facts only — not predictions.
0 points
Compact filing score computed from stored Form 4 facts. Version v1.
This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.
How this score is calculated
- direct_ownership+6 points
direct_or_indirect_ownership = D
Direct ownership reports the insider's personal stake. - timely_filing+4 points
reporting_delay_days = 2
Filing reported within two business days of the transaction. - tenb5_1_detected-10 points
is_10b5_1 = true
Stored filing content includes detected 10b5-1 language.
Signed filing-only points, not a probability or expected return. Version v1.
Reported relationships & other filings
Form 4 relationship flags and nearby filing context
Chief Technology Officer
- 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.
- F2
The reporting person transferred 213,074 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.
- 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.
- F4
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.18 to $204.17, inclusive. Upon request by the staff of the Securities and…
- F5
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $204.18 to $205.17, inclusive. Upon request by the staff of the Securities and…
- F6
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $205.18 to $206.17, inclusive. Upon request by the staff of the Securities and…
- F7
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.18 to $207.17, inclusive. Upon request by the staff of the Securities and…
- F8
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.18 to $208.17, inclusive. Upon request by the staff of the Securities and…
- F9
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.18 to $209.17, inclusive. Upon request by the staff of the Securities and…
- F10
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.18 to $210.17, inclusive. Upon request by the staff of the Securities and…
- F11
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.18 to $211.17, inclusive. Upon request by the staff of the Securities and…
- F12
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.21 to $212.12, inclusive. Upon request by the staff of the Securities and…
- F13
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $212.22 to $213.16, inclusive. Upon request by the staff of the Securities and…
- F14
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.00 to $210.16, inclusive. Upon request by the staff of the Securities and…
- F15
The stock option is fully vested and exercisable.
- F16
The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2023.
- F17
The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2024.
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