Insider · CIK 0001791047
Dean Warren Butler
Files at SLAB (SILICON LABORATORIES INC.), PXLW (PIXELWORKS, INC). First filing -, latest -.
In brief
Dean Warren Butler files SEC Form 4 as CFO and director at SLAB (SILICON LABORATORIES INC.), and also at PXLW (PIXELWORKS, INC). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Dean Warren Butler has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | PXLW PIXELWORKS, INC | AGrant or award Common Stock | +8,000 | - | - | 33,949 | May 22, 2026 |
| May 15, 2026 | SLAB SILICON LABORATORIES INC. | FTax withholding Common Stock, $0.0001 par value | -6,291 | $216.59 | $1.4M | 43,767 | May 19, 2026 |
| Apr 30, 2026 | SLAB SILICON LABORATORIES INC. | AGrant or award Common Stock, $0.0001 par value | +152 | $86.46 | $13k | 50,058 | May 1, 2026 |
| Feb 15, 2026 | SLAB SILICON LABORATORIES INC. | AGrant or award Common Stock, $0.0001 par value | +11,033 | $0.00 | $0 | 49,906 | Feb 17, 2026 |
| Oct 31, 2025 | SLAB SILICON LABORATORIES INC. | AGrant or award Common Stock, $0.0001 par value | +177 | $86.46 | $15k | 38,873 | Nov 12, 2025 |
| May 23, 2025 | PXLW PIXELWORKS, INC | AGrant or award Common Stock | +176,883 | - | - | 311,385 | May 27, 2025 |
| Apr 30, 2025 | SLAB SILICON LABORATORIES INC. | AGrant or award Common Stock, $0.0001 par value | +164 | $86.46 | $14k | 28,113 | May 19, 2025 |
| May 15, 2025 | SLAB SILICON LABORATORIES INC. | AGrant or award Common Stock, $0.0001 par value | +14,731 | $0.00 | $0 | 42,844 | May 19, 2025 |
| May 15, 2025 | SLAB SILICON LABORATORIES INC. | FTax withholding Common Stock, $0.0001 par value | -4,148 | $133.17 | $552k | 38,696 | May 19, 2025 |
Questions about Dean Warren Butler
Answered from the filings on this page, as of the latest one.
Is Dean Warren Butler buying or selling?
Dean Warren Butler has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Dean Warren Butler's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Dean Warren Butler has 0.
Where does Dean Warren Butler file Form 4?
Dean Warren Butler has filed Form 4 at SLAB (SILICON LABORATORIES INC.) as Sr VP and CFO; PXLW (PIXELWORKS, INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.