Robert Matthew Johnson

CIK: 0001792014

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (20.0%)

Position reduction

Option Exercises (M)2 (20.0%)

Derivative conversions

Awards (A)4 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

SLAB

SILICON LABORATORIES INC.

DirectorOfficer

NOVT

NOVANTA INC

Director

Discretionary Trading P&L

Holdings

Transaction History (10 total)

SLAB
SILICON LABORATORIES INC.
May 18, 2026
Sale(S)
Direct
8K shares at avg. $216.83$1.7M
SLAB
SILICON LABORATORIES INC.
May 15, 2026
Tax Payment(F)
Direct
10.4K shares at avg. $216.59$2.2M
SLAB
SILICON LABORATORIES INC.
Feb 15, 2026
Award(A)
Direct
25.2K shares-
NOVT
NOVANTA INC
Jan 2, 2026
Exercise(M)
Direct
1.3K shares-
NOVT
NOVANTA INC
Jan 2, 2026
Award(A)
Restricted Stock Units
Direct
1.8K shares-
SLAB
SILICON LABORATORIES INC.
May 16, 2025
Sale(S)
Direct
5.9K shares at avg. $131.20$771K
SLAB
SILICON LABORATORIES INC.
May 15, 2025
Tax Payment(F)
Direct
7.6K shares at avg. $133.17$1.0M
SLAB
SILICON LABORATORIES INC.
May 15, 2025
Award(A)
Direct
39.3K shares-
NOVT
NOVANTA INC
May 8, 2025
Exercise(M)
Direct
818 shares-
NOVT
NOVANTA INC
Jan 2, 2025
Award(A)
Restricted Stock Units
Direct
1.3K shares-

		Type	Shares	Price		Ownership
May 18, 2026	SLAB SILICON LABORATORIES INC.	Sale(S)	8,024	$216.83	$1,739,844	Direct
May 15, 2026	SLAB SILICON LABORATORIES INC.	Tax Payment(F)	10,363	$216.59	$2,244,522	Direct
Feb 15, 2026	SLAB SILICON LABORATORIES INC.	Award(A)	25,218	-	$0	Direct
Jan 2, 2026	NOVT NOVANTA INC	Exercise(M)	1,325	-	$0	Direct
Jan 2, 2026	NOVT NOVANTA INC	Award(A) Restricted Stock Units	1,799	-	-	Direct
May 16, 2025	SLAB SILICON LABORATORIES INC.	Sale(S)	5,879	$131.20	$771,325	Direct
May 15, 2025	SLAB SILICON LABORATORIES INC.	Tax Payment(F)	7,625	$133.17	$1,015,421	Direct
May 15, 2025	SLAB SILICON LABORATORIES INC.	Award(A)	39,282	-	-	Direct
May 8, 2025	NOVT NOVANTA INC	Exercise(M)	818	-	-	Direct
Jan 2, 2025	NOVT NOVANTA INC	Award(A) Restricted Stock Units	1,325	-	-	Direct

1-10 of 10 transactions

About Johnson Robert Matthew

Johnson Robert Matthew (SEC CIK 0001792014) files insider reports with the SEC as President & CEO of SILICON LABORATORIES INC. (SLAB) and Director of NOVANTA INC (NOVT).

Signal8 holds 6 ownership filings by Johnson Robert Matthew, all Form 4s, filed between Jan 6, 2025 and May 19, 2026. Those filings report 10 transactions, from Jan 2, 2025 to May 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Johnson Robert Matthew's filings is in AUSTIN, TX.

Recent filings by Johnson Robert Matthew

May 18, 2026: Open-market sale of SLAB shares (Form 4, code S).
May 15, 2026: Tax withholding of SLAB shares (Form 4, code F).
Feb 15, 2026: Grant or award of SLAB shares (Form 4, code A).
Jan 2, 2026: Option exercise of NOVT shares (Form 4, code M).
Jan 2, 2026: Grant or award of NOVT derivative securities (Form 4, code A).

Other insiders filing for SILICON LABORATORIES INC. (SLAB)

CONRAD ROBERT J, Sr VP and General Manager
Butler Dean Warren, Sr VP and CFO
MAULDIN MARK D, Chief Accounting Officer
Tolany Brandon, Sr VP WW Sales & Marketing
Wyatt Christy, Director
SOOCH NAVDEEP S, Director

How to read Form 4 transaction codes