Robert Patrick Komin Jr sold $6.6M of Cerebras Systems stock
By AlphaYouPublished Form 4
Komin Robert Patrick Jr.
Reporting filer
Robert Patrick Komin Jr reported selling 32,500 shares of Cerebras Systems Inc. for about $6.6M ($203.53 a share on average). Form 4 filed Sep 30, 2026 lists 16 entries.
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- Disclosed
- Sep 30, 2026
Reported details
16 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 1830 | 211.79 | 30,670 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 2771 | 211.03 | 27,899 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 2802 | 210.02 | 25,097 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 2197 | 208.98 | 22,900 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 700 | 207.83 | 22,200 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 800 | 206.68 | 21,400 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 600 | 205.47 | 20,800 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 1600 | 204.26 | 19,200 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 800 | 203.48 | 18,400 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 400 | 201.96 | 18,000 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 11200 | 201.22 | 6,800 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 1130 | 199.80 | 5,670 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 870 | 198.70 | 4,800 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 685 | 197.48 | 4,115 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 1115 | 195.61 | 3,000 | 1 day | Filed terms
|
| Class A Common Stock | Komin Robert Patrick Jr. | 2026-09-29 | S | Sale | 3000 | 194.92 | 0 | 1 day | Filed terms
|
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 1830
- Price
- 211.79
- Following holdings
- 30,670
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 1830
- id: F2
- transaction Price Per Share: 211.79
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 30670
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 2771
- Price
- 211.03
- Following holdings
- 27,899
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 2771
- id: F3
- transaction Price Per Share: 211.03
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 27899
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 2802
- Price
- 210.02
- Following holdings
- 25,097
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 2802
- id: F4
- transaction Price Per Share: 210.02
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 25097
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 2197
- Price
- 208.98
- Following holdings
- 22,900
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 2197
- id: F5
- transaction Price Per Share: 208.98
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 22900
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 700
- Price
- 207.83
- Following holdings
- 22,200
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 700
- id: F6
- transaction Price Per Share: 207.83
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 22200
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 800
- Price
- 206.68
- Following holdings
- 21,400
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 800
- id: F7
- transaction Price Per Share: 206.68
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 21400
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 600
- Price
- 205.47
- Following holdings
- 20,800
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 600
- id: F8
- transaction Price Per Share: 205.47
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 20800
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 1600
- Price
- 204.26
- Following holdings
- 19,200
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 1600
- id: F9
- transaction Price Per Share: 204.26
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 19200
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 800
- Price
- 203.48
- Following holdings
- 18,400
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 800
- id: F10
- transaction Price Per Share: 203.48
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 18400
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 400
- Price
- 201.96
- Following holdings
- 18,000
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 400
- id: F11
- transaction Price Per Share: 201.96
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 18000
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 11200
- Price
- 201.22
- Following holdings
- 6,800
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 11200
- id: F12
- transaction Price Per Share: 201.22
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 6800
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 1130
- Price
- 199.80
- Following holdings
- 5,670
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 1130
- id: F13
- transaction Price Per Share: 199.80
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 5670
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 870
- Price
- 198.70
- Following holdings
- 4,800
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 870
- id: F14
- transaction Price Per Share: 198.70
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 4800
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 685
- Price
- 197.48
- Following holdings
- 4,115
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 685
- id: F15
- transaction Price Per Share: 197.48
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 4115
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 1115
- Price
- 195.61
- Following holdings
- 3,000
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 1115
- id: F16
- transaction Price Per Share: 195.61
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 3000
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Komin Robert Patrick Jr.
- Date
- 2026-09-29
- Code
- S
- Action
- Sale
- Quantity
- 3000
- Price
- 194.92
- Following holdings
- 0
- Reporting delay
- 1 day
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-29
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 3000
- id: F17
- transaction Price Per Share: 194.92
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 0
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Komin Robert Patrick Jr.: Chief Financial Officer.
- The filing reports a Rule 10b5-1 trading plan.
- F1: 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 June 30, 2026
- F2: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.48 to $212.44, 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.
- F3: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.47 to $211.44, 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 $209.45 to $210.40, 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 $208.40 to $209.38, 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.
- F6: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.33 to $208.23, 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 $206.18 to $207.17, 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 $205.02 to $205.79, 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 $203.93 to $204.86, 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 $202.85 to $203.78, 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 $201.60 to $202.39, 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 $200.30 to $201.28, 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 $199.28 to $200.25, 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 $198.28 to $199.22, 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 $197.15 to $198.13, 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 $195.45 to $195.89, 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 $194.45 to $195.21, 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.
Original sources
Prepared automatically from public filing data. Report a correction.