As of the latest Form 4 filed Jul 1, 2026.
What Cerebras Systems Inc. Class A Common Stock insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 150 most recent filings for CBRS.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-07-01 | 2026-06-30 | Mallick Dhiraj Chief Operating Officer | SSale | −10.0K | $206.51 | $2.07M | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-30 | Mallick Dhiraj, Chief Operating Officer | CConvert | +10.0K | — | — | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | Feldman Andrew D. CEO, President | JOther | +268.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | Vishria Eric Director | JOther | +99.7K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | Benchmark Capital Management Co. VIII, L.L.C. 10% owner | JOther | −2.16M | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-06-29 | Benchmark Capital Management Co. VIII, L.L.C., 10% owner | CConvert | +2.16M | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj Chief Operating Officer | SSale | −800.00 | $181.62 | $145K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.20K | $180.50 | $217K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.10K | $179.67 | $198K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −200.00 | $178.12 | $35.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −200.00 | $177.23 | $35.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −200.00 | $175.94 | $35.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −600.00 | $174.70 | $105K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −11.8K | $173.65 | $2.04M | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −839.00 | $172.78 | $145K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −300.00 | $171.45 | $51.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −100.00 | $169.76 | $17.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −700.00 | $169.07 | $118K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −400.00 | $167.76 | $67.1K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −400.00 | $166.62 | $66.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −300.00 | $165.09 | $49.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −400.00 | $163.90 | $65.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −300.00 | $162.75 | $48.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Mallick Dhiraj, Chief Operating Officer | SSale | −200.00 | $161.46 | $32.3K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh Chief Accounting Officer | AAward | +15.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −354.00 | $182.05 | $64.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −700.00 | $180.83 | $127K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −300.00 | $179.56 | $53.9K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −200.00 | $178.36 | $35.7K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −100.00 | $176.12 | $17.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −200.00 | $175.01 | $35.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −500.00 | $173.36 | $86.7K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −400.00 | $171.99 | $68.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −300.00 | $169.31 | $50.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −200.00 | $168.45 | $33.7K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −200.00 | $166.66 | $33.3K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −100.00 | $164.79 | $16.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −300.00 | $163.29 | $49.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-26 | Patel Yagnesh, Chief Accounting Officer | SSale | −100.00 | $161.61 | $16.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj Chief Operating Officer | SSale | −100.00 | $187.90 | $18.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.75K | $186.85 | $327K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.62K | $186.23 | $301K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −7.28K | $185.19 | $1.35M | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.07K | $184.30 | $198K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −138.00 | $182.50 | $25.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −330.00 | $181.17 | $59.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −606.00 | $180.19 | $109K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −230.00 | $178.92 | $41.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −184.00 | $175.61 | $32.3K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj Chief Operating Officer | SSale | −138.00 | $173.71 | $24.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −338.00 | $172.85 | $58.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −2.56K | $172.02 | $440K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −4.19K | $171.10 | $717K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −484.00 | $170.17 | $82.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −2.20K | $168.83 | $371K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −4.11K | $167.78 | $689K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −7.40K | $166.82 | $1.23M | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −2.20K | $166.05 | $365K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.05K | $164.81 | $173K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −690.00 | $163.62 | $113K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −276.00 | $162.24 | $44.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −648.00 | $185.21 | $120K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.03K | $184.25 | $189K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −162.00 | $182.50 | $29.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −270.00 | $181.23 | $48.9K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −594.00 | $180.18 | $107K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −270.00 | $178.92 | $48.3K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −216.00 | $175.61 | $37.9K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −324.00 | $173.45 | $56.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −594.00 | $171.74 | $102K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −162.00 | $170.41 | $27.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −918.00 | $169.22 | $155K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −885.00 | $168.25 | $149K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −1.46K | $166.98 | $244K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −837.00 | $166.04 | $139K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −998.00 | $164.73 | $164K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −810.00 | $163.62 | $133K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | SSale | −324.00 | $162.24 | $52.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Mallick Dhiraj, Chief Operating Officer | CConvert | +69.4K | — | — | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh Chief Accounting Officer | SSale | −46.00 | $189.36 | $8.71K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh Chief Accounting Officer | SSale | −385.00 | $185.01 | $71.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −93.00 | $183.60 | $17.1K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −46.00 | $182.38 | $8.39K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −46.00 | $180.93 | $8.32K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −46.00 | $179.80 | $8.27K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −100.00 | $178.50 | $17.9K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −46.00 | $175.74 | $8.08K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −100.00 | $173.91 | $17.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −200.00 | $172.33 | $34.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −993.00 | $171.57 | $170K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −239.00 | $169.21 | $40.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −663.00 | $168.59 | $112K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −796.00 | $166.93 | $133K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −269.00 | $165.85 | $44.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −185.00 | $164.19 | $30.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −193.00 | $162.45 | $31.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −54.00 | $189.36 | $10.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −215.00 | $184.96 | $39.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −107.00 | $183.60 | $19.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −54.00 | $182.38 | $9.85K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −54.00 | $180.93 | $9.77K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −54.00 | $179.80 | $9.71K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −54.00 | $175.74 | $9.49K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −107.00 | $171.66 | $18.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −269.00 | $169.11 | $45.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −228.00 | $166.98 | $38.1K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −161.00 | $166.01 | $26.7K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −215.00 | $164.19 | $35.3K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | SSale | −107.00 | $162.71 | $17.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Patel Yagnesh, Chief Accounting Officer | CConvert | +10.1K | — | — | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D. CEO, President | SSale | −1.70K | $184.73 | $314K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −500.00 | $183.71 | $91.9K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −400.00 | $182.55 | $73.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −500.00 | $181.15 | $90.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −400.00 | $180.25 | $72.1K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −300.00 | $178.81 | $53.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −300.00 | $175.70 | $52.7K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −400.00 | $173.50 | $69.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −160.00 | $172.03 | $27.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −700.00 | $171.53 | $120K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −8.60K | $170.58 | $1.47M | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | SSale | −4.03K | $169.07 | $681K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Feldman Andrew D., CEO, President | CConvert | +18.0K | — | — | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean Chief Technology Officer | SSale | −104.00 | $186.51 | $19.4K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −100.00 | $185.51 | $18.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −705.00 | $184.80 | $130K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −300.00 | $183.71 | $55.1K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −200.00 | $182.57 | $36.5K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −200.00 | $181.20 | $36.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −300.00 | $180.12 | $54.0K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −242.00 | $178.66 | $43.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −100.00 | $175.57 | $17.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −200.00 | $173.16 | $34.6K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −263.00 | $171.78 | $45.2K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −110.00 | $170.57 | $18.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −400.00 | $169.62 | $67.8K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −922.00 | $168.80 | $156K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −3.35K | $165.43 | $555K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | SSale | −2.53K | $165.21 | $419K | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-25 | Lie Sean, Chief Technology Officer | CConvert | +10.0K | — | — | No | Form 4 ↗ |
| 2026-06-26 | 2026-06-25 | Susan Lior Director | JOther | +41.0K | — | — | No | Form 4 ↗ |
| 2026-06-26 | 2026-06-25 | Susan Lior, Director | JOther | +93.0K | — | — | No | Form 4 ↗ |
| 2026-06-26 | 2026-06-25 | Susan Lior, Director | JOther | −2.02M | — | — | No | Form 4 ↗ |
| 2026-06-12 | 2026-06-11 | Susan Lior Director | CConvert | +13.5M | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | Mallick Dhiraj Chief Operating Officer | JOther | −802K | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | Susan Lior Director | JOther | −1.09M | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | Komin Robert Patrick Jr. Chief Financial Officer | JOther | −175K | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | Komin Robert Patrick Jr., Chief Financial Officer | JOther | −854K | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | DONIO ELENA A. Director | JOther | −33.7K | — | — | No | Form 4 ↗ |
| 2026-05-15 | 2026-05-15 | Auvil Paul R. III Director | JOther | −204K | — | — | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also CBRS’s full analysis or the market-wide insider trading feed. The tabs above jump to CBRS’s other SEC data.
Source: SEC Form 4 filings for CBRS, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.