Abiopharma

🔍 Feldman Andrew D. (Director)

Company: Cerebras Systems Inc. (CBRS)

Report Date: 2026-08-21

Detailed Transactions and Holdings:

• Sold 50,000 shares of Class A Common Stock (Direct)
  Date: 2026-08-21 | Code: G | equity_swap_involved: 0 | shares_owned_after: 16,853.00 | transaction_form_type: 4 | Footnotes: F1, F2, F2
• Acquired 237,559 shares of Class A Common Stock (Direct)
  Date: 2026-08-21 | Code: C | equity_swap_involved: 0 | shares_owned_after: 254,412.00 | transaction_form_type: 4 | Footnotes: F2, F2
• Sold 43,553 shares of Class A Common Stock at $196.2 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 210,859.00 | transaction_form_type: 4 | Footnotes: F3, F4
• Sold 21,307 shares of Class A Common Stock at $197.45 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 189,552.00 | transaction_form_type: 4 | Footnotes: F3, F5
• Sold 32,864 shares of Class A Common Stock at $198.18 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 156,688.00 | transaction_form_type: 4 | Footnotes: F3, F6
• Sold 66,237 shares of Class A Common Stock at $199.33 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 90,451.00 | transaction_form_type: 4 | Footnotes: F3, F7
• Sold 33,575 shares of Class A Common Stock at $200.13 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 56,876.00 | transaction_form_type: 4 | Footnotes: F3, F8
• Sold 8,832 shares of Class A Common Stock at $201.12 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 48,044.00 | transaction_form_type: 4 | Footnotes: F3, F9
• Sold 6,699 shares of Class A Common Stock at $202.28 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 41,345.00 | transaction_form_type: 4 | Footnotes: F3, F10
• Sold 12,092 shares of Class A Common Stock at $203.37 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 29,253.00 | transaction_form_type: 4 | Footnotes: F3, F11
• Sold 4,800 shares of Class A Common Stock at $204.44 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 24,453.00 | transaction_form_type: 4 | Footnotes: F3, F12
• Sold 1,600 shares of Class A Common Stock at $205.32 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 22,853.00 | transaction_form_type: 4 | Footnotes: F3, F13
• Sold 1,400 shares of Class A Common Stock at $207.28 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 21,453.00 | transaction_form_type: 4 | Footnotes: F3, F14
• Sold 4,594 shares of Class A Common Stock at $208.86 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 16,859.00 | transaction_form_type: 4 | Footnotes: F3, F15
• Sold 6 shares of Class A Common Stock at $210.21 per share (Direct)
  Date: 2026-08-21 | Code: S | equity_swap_involved: 0 | shares_owned_after: 16,853.00 | transaction_form_type: 4 | Footnotes: F3
• Acquired 120 shares of Class A Common Stock (Direct)
  Date: 2026-08-24 | Code: J | equity_swap_involved: 0 | shares_owned_after: 686.00 | transaction_form_type: 4 | Footnotes: F16
• Sold 62,674 shares of Stock Option at $5.02 per share (Derivative)
  Date: 2026-08-21 | Code: M | Expires: 2033-02-13 | equity_swap_involved: 0 | shares_owned_after: 87,326.00 | transaction_form_type: 4 | Footnotes: F17
• Sold 137,326 shares of Stock Option at $7.89 per share (Derivative)
  Date: 2026-08-21 | Code: M | Expires: 2032-01-11 | equity_swap_involved: 0 | shares_owned_after: 12,674.00 | transaction_form_type: 4 | Footnotes: F18
• Sold 37,559 shares of Stock Option at $2.72 per share (Derivative)
  Date: 2026-08-21 | Code: M | Expires: 2030-12-07 | equity_swap_involved: 0 | shares_owned_after: 562,441.00 | transaction_form_type: 4 | Footnotes: F18
• Acquired 237,559 shares of Class B Common Stock (Derivative)
  Date: 2026-08-21 | Code: M | equity_swap_involved: 0 | shares_owned_after: 14,182,693.00 | transaction_form_type: 4 | Footnotes: F2, F2, F2
• Sold 237,559 shares of Class B Common Stock (Derivative)
  Date: 2026-08-21 | Code: C | equity_swap_involved: 0 | shares_owned_after: 13,945,134.00 | transaction_form_type: 4 | Footnotes: F2, F2, F2
• Holds 50,000 shares of Class B Common Stock (Derivative)
  Date: 2026-08-21 | Code: H | shares_owned_after: 50,000.00 | Footnotes: F2, F2, F2
• Holds 50,000 shares of Class B Common Stock (Derivative)
  Date: 2026-08-21 | Code: H | shares_owned_after: 50,000.00 | Footnotes: F2, F2, F2

Footnotes:

• F1: The reporting person transferred 50,000 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.
• F2: 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.
• 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 $195.75 to $196.74, 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.
• F5: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $196.75 to $197.74, 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.
• F6: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $197.75 to $198.74, 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.
• F7: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $198.75 to $199.74, 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.
• F8: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.75 to $200.74, 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.
• F9: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $200.75 to $201.72, 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.
• F10: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $201.86 to $202.83, 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.
• F11: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $202.90 to $203.87, 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.
• F12: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.92 to $204.87, 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.
• F13: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $204.96 to $205.67, 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.
• F14: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.81to $207.59, 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.
• F15: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.42 to $209.00, 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.
• F16: Represents a pro-rata, in-kind distribution not for additional consideration.
• F17: The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2023.
• F18: The stock option is fully vested and exercisable.