Chew Lewis insider trades
Chew Lewis has filed 39 Form 4s with the SEC that we hold, for Arista Networks, Inc. (ANET) (Director), Cadence Design Systems INC (CDNS) (Director), Intuitive Surgical INC (ISRG) (Director) and Dolby Laboratories, Inc. (DLB) (EVP & Chief Financial Officer). Across all of them we count 0 purchases worth $0 and 11 sales worth $12.3M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 20,698 shares of Dolby Laboratories, Inc. worth $2.0M, dated 2021-08-05. The first filing on our record is dated 2021-07-21 and the latest 2026-08-24.
Arista Networks, Inc. (ANET)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Cadence Design Systems INC (CDNS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Intuitive Surgical INC (ISRG)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Dolby Laboratories, Inc. (DLB)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-03 | S, sale reported on Form 4 | 20,000 | $2.0M | 2021-08-05 |
| 2021-08-04 | S, sale reported on Form 4 | 20,000 | $1.9M | 2021-08-05 |
| 2021-08-04 | S, sale reported on Form 4 | 10,000 | $979.9K | 2021-08-05 |
| 2021-08-05 | S, sale reported on Form 4 | 9,302 | $910.3K | 2021-08-09 |
| 2021-08-05 | S, sale reported on Form 4 | 20,698 | $2.0M | 2021-08-09 |
| 2021-08-06 | S, sale reported on Form 4 | 2,400 | $237.3K | 2021-08-09 |
| 2021-08-06 | S, sale reported on Form 4 | 12,600 | $1.2M | 2021-08-09 |
| 2021-08-17 | S, sale reported on Form 4 | 7,430 | $737.1K | 2021-08-18 |
| 2021-08-17 | S, sale reported on Form 4 | 4,900 | $494.0K | 2021-08-18 |
| 2021-08-17 | S, sale reported on Form 4 | 2,800 | $284.7K | 2021-08-18 |
| 2021-08-17 | S, sale reported on Form 4 | 14,870 | $1.5M | 2021-08-18 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1224994) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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