Silicon Labs CEO sells 8,024 shares in open market

SILICON LABORATORIES INC.

Rhea-AI Filing Summary

SILICON LABORATORIES INC. President & CEO Robert Matthew Johnson reported an open-market sale of 8,024 shares of common stock at $216.83 per share on May 18, 2026, leaving him with 80,519 directly held shares.

On May 15, 2026, 10,363 shares were disposed of at $216.59 per share to cover taxes upon the vesting of a previously reported equity award, a tax-withholding event rather than a market sale.

Insights

Equity compensation and insider trading analyst

CEO records a modest open-market sale plus routine tax withholding.

The President & CEO of SILICON LABORATORIES INC., Robert Matthew Johnson, executed an open-market sale of 8,024 common shares at $216.83. After this transaction, he continued to hold 80,519 shares directly, indicating he retains a substantial equity position.

A separate disposition of 10,363 shares at $216.59 was used to pay taxes upon vesting of a previously reported equity award, a common non-market mechanism for covering tax liabilities. This tax-withholding event does not reflect an active trading decision about the stock.

Overall, the filing shows a net sale of 8,024 shares and routine equity-compensation tax handling, with the CEO maintaining significant direct ownership. From this single filing, the activity appears typical of executive portfolio and compensation management rather than a transformative change in ownership.

Insider Trade Summary

Net Seller: 8,024 shares

Net Sell 2 txns

Insider Johnson Robert Matthew

Role President & CEO

Sold 8,024 shs ($1.74M)

Type	Security	Shares	Price	Value
Sale	Common Stock, $0.0001 par value	8,024	$216.83	$1.74M
Exercise Price or Tax Liability	Common Stock, $0.0001 par value	10,363	$216.59	$2.24M

Holdings After Transaction: Common Stock, $0.0001 par value — 80,519 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld to pay taxes upon the vesting of a previously reported equity award.

Key Figures

Open-market shares sold: 8,024 shares Sale price per share: $216.83/share Shares withheld for taxes: 10,363 shares +4 more

7 metrics

Open-market shares sold 8,024 shares Common stock sale at $216.83 on May 18, 2026

Sale price per share $216.83/share Open-market sale of common stock

Shares withheld for taxes 10,363 shares Tax-withholding disposition at $216.59 on May 15, 2026

Tax-withholding price $216.59/share Used to pay taxes on vested equity award

Shares after open-market sale 80,519 shares Directly held common stock following May 18, 2026 sale

Shares after tax withholding 88,543 shares Directly held common stock following May 15, 2026 disposition

Net buy/sell shares -8,024 shares Net effect of buy/sell activity in this Form 4

Key Terms

open-market sale, tax-withholding disposition, equity award, Common Stock, $0.0001 par value, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for 8,024 common shares at $216.83"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition" for 10,363 shares at $216.59"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

equity award financial

"shares withheld to pay taxes upon the vesting of a previously reported equity award"

An equity award is a form of pay where a company gives employees, executives or other stakeholders the right to own or buy company shares—either immediately or after meeting certain conditions. Think of it like receiving slices of the company pie now or coupons to claim slices later; it matters to investors because it affects ownership dilution, executive incentives and reported compensation costs, and signals how management is being rewarded and retained.

Common Stock, $0.0001 par value financial

"security_title: "Common Stock, $0.0001 par value" for both transactions"

net-sell financial

"transactionSummary shows netBuySellDirection: "net-sell" based on activity"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did SLAB's CEO report in this Form 4?

SLAB’s President & CEO, Robert Matthew Johnson, reported two transactions: an open-market sale of 8,024 common shares at $216.83 per share, and a 10,363-share disposition at $216.59 per share to satisfy tax obligations on a vested equity award.

How many Silicon Laboratories (SLAB) shares did the CEO sell on the open market?

The CEO sold 8,024 shares of Silicon Laboratories common stock in an open-market transaction at $216.83 per share. This sale was recorded on May 18, 2026 and reflects an active decision to dispose of a portion of his holdings.

How many SLAB shares does the CEO hold after these reported transactions?

Following the reported transactions, the CEO directly holds 80,519 shares of Silicon Laboratories common stock. This figure comes after the 8,024-share open-market sale and the separate 10,363-share tax-withholding disposition related to an equity award vesting.

Was the 10,363-share SLAB disposition a market sale by the CEO?

No. The 10,363-share disposition at $216.59 per share was for tax-withholding upon vesting of a previously reported equity award. This type of transaction is used to pay taxes and is not an open-market sale initiated for investment reasons.

What is the net share change from the SLAB CEO’s Form 4 transactions?

The transactions result in a net sale of 8,024 shares when considering buy/sell activity. In addition, 10,363 shares were withheld to pay taxes on a vested equity award, which reduces his share count but is categorized as tax-withholding rather than a market trade.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/19/2026 - 02:16 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Johnson Robert Matthew

(Last) (First) (Middle)

400 WEST CESAR CHAVEZ

(Street)

AUSTIN TEXAS 78701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SILICON LABORATORIES INC. [ SLAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.0001 par value	05/15/2026		F		10,363(1)	D	$216.59	88,543	D
Common Stock, $0.0001 par value	05/18/2026		S		8,024	D	$216.83	80,519	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld to pay taxes upon the vesting of a previously reported equity award.

Remarks:

	Saie-Yau Hui for Robert M. Johnson	05/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)