SLAB insider buying and SEC filings, explained
Silicon Laboratories Inc. · CIK 1038074
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.7M
Planned sales (10b5-1)
$2.5M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 14, 2026 | Planned (10b5-1) | Robert J. Conrad (Sr VP and General Manager) sold 6,581 shares at $218.21 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 22% to 23,815 shares. | SEC filing Filed Aug 17, 2026 |
| May 18, 2026 | Sale | Robert Matthew Johnson (CEO and Director) sold 8,024 shares at $216.83 ($1.7M). Holdings down 9% to 80,519 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| Jan 13, 2026 | Planned (10b5-1) | Nina Richardson (Director) sold 1,355 shares at $149.00 ($202K), marked as a 10b5-1 plan trade. Holdings down 14% to 8,543 shares. | SEC filing Filed Jan 15, 2026 |
| Dec 4–5, 2025 | Planned (10b5-1) | Brandon Tolany (Sr VP WW Sales & Marketing) sold 6,200 shares between Dec 4, 2025 and Dec 5, 2025 at about $140.59 ($872K), marked as a 10b5-1 plan trade. Holdings down 9% to 62,381 shares. | SEC filing Filed Dec 8, 2025 |
24 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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