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Silicon Laboratories stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+70.1% to $221.50
Silicon Laboratories (SLAB) stock rose 70% over the last 252 sessions, to $221.50. On the way it reported 3 quarters, its insiders filed 1 open-market trade and 1 Form 144 notice of planned sales, and the company filed 1 material 8-K. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Aug 14, 2026 | Form 144 | Form 144: Robert J Conrad plans to sell $1.4M | 0.0% (+0.2% vs SPY) | −0.1% (+1.9% vs SPY) | +0.4% (+2.6% vs SPY) |
| Aug 11, 2026 | Earnings | Earnings: beat the EPS estimate by 3.1% | +0.2% (+0.6% vs SPY) | +0.4% (+0.4% vs SPY) | +0.6% (+2.0% vs SPY) |
| May 18, 2026 | Insider sale | Johnson Robert Matthew sold $1.7M | 0.0% (+0.1% vs SPY) | +0.4% (−0.4% vs SPY) | +1.3% (−0.2% vs SPY) |
| May 5, 2026 | Earnings | Earnings: beat the EPS estimate by 5.3% | +0.6% (−0.2% vs SPY) | +0.1% (−2.8% vs SPY) | +1.0% (−3.9% vs SPY) |
| Feb 4, 2026 | 8-K | Material definitive agreement | +39.8% (+40.3% vs SPY) | +41.3% (+40.9% vs SPY) | +39.7% (+40.9% vs SPY) |
| Feb 4, 2026 | Earnings | Earnings: beat the EPS estimate by 2.2% | +39.8% (+40.3% vs SPY) | +41.3% (+40.9% vs SPY) | +39.7% (+40.9% vs SPY) |
Insiders’ record here
In the year on the chart, Silicon Laboratories' insiders reported 0 open-market buys ($0) and 1 sale ($1.7M). Of the 1 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale −2.8%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Silicon Laboratories: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.