Robert Matthew Johnson

CIK 1792014 · President & CEO · last filed 2026-05-19

Robert Matthew Johnson is a President & CEO who has filed 34 SEC Form 4 insider transactions across 3 companies since 2020. The most recent filing, for SLAB, was dated May 19, 2026. Across all open-market trades the lifetime net is −$7.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $17.7M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Disclosed Exposure

$17.74M

Companies

3

Total Filings

34

Lifetime Open-Market Net

-$7.65M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.

Symbol	Role	Shares	Price	Disclosed Exposure	Lifetime OM Net	Filings	Latest Filed
SLAB	President & CEO	80,519	$217.25	$17.49M	-$7.65M	24	2026-05-19
NOVTU	Director	2,143	$60.27	$129.2K	$0	1	2026-01-06
NOVT	Director	818	$141.62	$115.8K	$0	3	2025-05-12

Recent Filings

34 filings

Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.

Filed	Symbol	Action	Net Shares	Net $	Link
2026-05-19	SLAB	Mixed	−18,387	-$3.98M	EDGAR
2026-05-18	SLAB	Notice (144)	−8,024	-$1.74M	EDGAR
2026-02-17	SLAB	Grant (A)	+25,218	$0	EDGAR
2026-01-06	NOVTU	Mixed	+1,325	$0	EDGAR
2025-05-19	SLAB	Mixed	+25,778	-$1.79M	EDGAR
2025-05-16	SLAB	Notice (144)	−5,879	-$771.3K	EDGAR
2025-05-12	NOVT	Exer (M)	+818	$0	EDGAR
2025-01-06	NOVT	Grant (A)	—	$0	EDGAR
2024-06-04	SLAB	Sell (S)	−7,230	-$895.1K	EDGAR
2024-06-03	SLAB	Notice (144)	−7,230	-$915.1K	EDGAR

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Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.