Robert Matthew Johnson
Robert Matthew Johnson: President & CEO · Director at Silicon Labs. What Robert Matthew Johnson holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Silicon Labs (SLAB)
Robert Matthew Johnson holds 80,519 Silicon Labs shares (0.24% of the company), worth about $17.9M at the last price, according to the Form 4 of May 18, 2026.
- Shares held: 80,519 (0.24%), $17.9M — Held in their own name.
Declarations
- Silicon Labs (SLAB) — Form 4 of May 18, 2026 (President & CEO): shares withheld for tax of 10,363 at $216.59; open-market sale of 8,024 at $216.83; 80,519 shares after 0001628280-26-036287
- Silicon Labs (SLAB) — Form 4 of Feb 15, 2026 (President & CEO): grant or award of 25,218; 98,906 shares after 0001628280-26-008429
- Silicon Labs (SLAB) — Form 4 of May 16, 2025 (President & CEO): grant or award of 39,282; shares withheld for tax of 7,625 at $133.17; 73,688 shares after 0001628280-25-026429
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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