Abiopharma

🔍 Mallick Dhiraj (Executive)

Company: Cerebras Systems Inc. (CBRS)

Report Date: 2026-06-25

Detailed Transactions and Holdings:

• Acquired 69,445 shares of Class A Common Stock (Direct)
  Date: 2026-06-25 | Code: C | equity_swap_involved: 0 | shares_owned_after: 69,445.00 | transaction_form_type: 4 | Footnotes: F1, F1
• Sold 324 shares of Class A Common Stock at $162.24 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 69,121.00 | transaction_form_type: 4 | Footnotes: F2, F3
• Sold 810 shares of Class A Common Stock at $163.62 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 68,311.00 | transaction_form_type: 4 | Footnotes: F2, F4
• Sold 998 shares of Class A Common Stock at $164.73 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 67,313.00 | transaction_form_type: 4 | Footnotes: F2, F5
• Sold 837 shares of Class A Common Stock at $166.04 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 66,476.00 | transaction_form_type: 4 | Footnotes: F2, F6
• Sold 1,461 shares of Class A Common Stock at $166.98 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 65,015.00 | transaction_form_type: 4 | Footnotes: F2, F7
• Sold 885 shares of Class A Common Stock at $168.25 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 64,130.00 | transaction_form_type: 4 | Footnotes: F2, F8
• Sold 918 shares of Class A Common Stock at $169.22 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 63,212.00 | transaction_form_type: 4 | Footnotes: F2, F9
• Sold 162 shares of Class A Common Stock at $170.41 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 63,050.00 | transaction_form_type: 4 | Footnotes: F2, F10
• Sold 594 shares of Class A Common Stock at $171.74 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 62,456.00 | transaction_form_type: 4 | Footnotes: F2, F11
• Sold 324 shares of Class A Common Stock at $173.45 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 62,132.00 | transaction_form_type: 4 | Footnotes: F2, F12
• Sold 216 shares of Class A Common Stock at $175.61 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 61,916.00 | transaction_form_type: 4 | Footnotes: F2
• Sold 270 shares of Class A Common Stock at $178.92 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 61,646.00 | transaction_form_type: 4 | Footnotes: F2, F13
• Sold 594 shares of Class A Common Stock at $180.18 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 61,052.00 | transaction_form_type: 4 | Footnotes: F2, F14
• Sold 270 shares of Class A Common Stock at $181.23 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 60,782.00 | transaction_form_type: 4 | Footnotes: F2, F15
• Sold 162 shares of Class A Common Stock at $182.5 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 60,620.00 | transaction_form_type: 4 | Footnotes: F2
• Sold 1,026 shares of Class A Common Stock at $184.25 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 59,594.00 | transaction_form_type: 4 | Footnotes: F2, F16
• Sold 648 shares of Class A Common Stock at $185.21 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 58,946.00 | transaction_form_type: 4 | Footnotes: F2, F17
• Sold 276 shares of Class A Common Stock at $162.24 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 58,670.00 | transaction_form_type: 4 | Footnotes: F3
• Sold 690 shares of Class A Common Stock at $163.62 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 57,980.00 | transaction_form_type: 4 | Footnotes: F4
• Sold 1,051 shares of Class A Common Stock at $164.81 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 56,929.00 | transaction_form_type: 4 | Footnotes: F5
• Sold 2,198 shares of Class A Common Stock at $166.05 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 54,731.00 | transaction_form_type: 4 | Footnotes: F18
• Sold 7,399 shares of Class A Common Stock at $166.82 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 47,332.00 | transaction_form_type: 4 | Footnotes: F19
• Sold 4,106 shares of Class A Common Stock at $167.78 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 43,226.00 | transaction_form_type: 4 | Footnotes: F20
• Sold 2,200 shares of Class A Common Stock at $168.83 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 41,026.00 | transaction_form_type: 4 | Footnotes: F21
• Sold 484 shares of Class A Common Stock at $170.17 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 40,542.00 | transaction_form_type: 4 | Footnotes: F22
• Sold 4,192 shares of Class A Common Stock at $171.1 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 36,350.00 | transaction_form_type: 4 | Footnotes: F23
• Sold 2,560 shares of Class A Common Stock at $172.02 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 33,790.00 | transaction_form_type: 4 | Footnotes: F24
• Sold 338 shares of Class A Common Stock at $172.85 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 33,452.00 | transaction_form_type: 4 | Footnotes: F25
• Sold 138 shares of Class A Common Stock at $173.71 per share (Direct)
  Date: 2026-06-25 | Code: S | equity_swap_involved: 0 | shares_owned_after: 33,314.00 | transaction_form_type: 4 | Footnotes: F26
• Sold 69,445 shares of Class B Common Stock (Derivative)
  Date: 2026-06-25 | Code: C | equity_swap_involved: 0 | shares_owned_after: 689,696.00 | transaction_form_type: 4 | Footnotes: F1, F1, F1, F27

Footnotes:

• 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: These shares were sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of restricted stock units, resulting in the automatic conversion of the shares into Class A Common Stock immediately prior to execution of the sale. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. The Reporting Person is subject to a lock-up agreement that that was entered into with underwriters in connection with the Issuer's initial public offering and expires on the earlier of (i) 6:00 a.m. Eastern Time on the second trading day following the Issuer's release of earnings for the quarter ending September 30, 2026 or (ii) November 9, 2026. The sale of shares is a permissible exemption under the terms of the lock-up agreement.
• F3: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $162.24 to $162.96, 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.
• F4: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $163.17 to $163.85, 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 $164.28 to $165.14, 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 $165.48 to $166.42, 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 $166.55 to $167.51, 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 $167.68 to $168.62, 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 $168.93 to $169.67, 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.
• F10: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $170.11 to $170.92, 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 $171.50 to $172.04, 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 $173.01 to $173.73, 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 $178.69 to $179.10, 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 $179.81 to $180.58, 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 $181.18 to $181.26, 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: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $183.66 to $184.61, 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.
• F17: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $184.67 to $185.56, 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.
• F18: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $165.39 to $166.37, 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.
• F19: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $166.39 to $167.38, 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.
• F20: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $167.39 to $168.30, 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.
• F21: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $168.43 to $169.31, 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.
• F22: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $169.56 to $170.49, 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.
• F23: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $170.58 to $171.56, 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.
• F24: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $171.59 to $172.58, 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.
• F25: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $172.61 to $173.38, 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.
• F26: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $173.69 to $173.73, 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.
• F27: The amount in Column 9 has been amended to deduct 42,857 shares in order to correct the Class B Common Stock held.
• REMARKS: This Form 4 is the first of two Forms 4 being filed by the Reporting Person relating to transactions that occurred on June 25, 2026 and June 26, 2026 (the "Transaction Dates"). Because there are more than 30 rows associated with the Reporting Person's transactions that occurred on the Transaction Dates, and EDGAR will not allow for the entry of more than 30 rows on a single Form 4, a second Form 4 is also filed to report the transactions that were not included on this first Form 4. The two Forms 4 filed by the Reporting Person on the date hereof should be read together as one consolidated filing.