Silicon Labs (SLAB) CFO uses 6,291 shares to cover equity-award taxes

Rhea-AI Filing Summary

SILICON LABORATORIES INC. Senior Vice President and CFO Dean Warren Butler reported a routine tax-related share disposition. On the reported date, 6,291 shares of common stock were withheld to cover taxes due upon vesting of a previously reported equity award, rather than sold in the open market. After this withholding, Butler directly holds 43,767 shares of Silicon Labs common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Butler Dean Warren

Role Sr VP and CFO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock, $0.0001 par value	6,291	$216.59	$1.36M

Holdings After Transaction: Common Stock, $0.0001 par value — 43,767 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares withheld for taxes: 6,291 shares Reported price per share: $216.59 per share Shares held after transaction: 43,767 shares +1 more

4 metrics

Shares withheld for taxes 6,291 shares Tax-withholding disposition on vesting of equity award

Reported price per share $216.59 per share Value used for 6,291 withheld shares

Shares held after transaction 43,767 shares Direct holdings of CFO following withholding

Security par value $0.0001 par value Common Stock of Silicon Laboratories Inc.

Key Terms

tax-withholding disposition, equity award, Common Stock, $0.0001 par value, Form 4

4 terms

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

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

"vested 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""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

Butler Dean Warren

(Last) (First) (Middle)

400 W 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr VP and CFO

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		6,291(1)	D	$216.59	43,767	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 Dean Butler	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)

FAQ

What did Silicon Laboratories (SLAB) CFO Dean Warren Butler report in this Form 4?

The Form 4 shows 6,291 Silicon Laboratories shares were withheld from CFO Dean Warren Butler to cover taxes on a vesting equity award, leaving him with 43,767 directly held shares after the transaction.

Was the Silicon Laboratories (SLAB) CFO’s Form 4 transaction an open-market sale?

No. The 6,291 Silicon Laboratories shares were withheld to pay taxes on a vesting equity award, not sold in the open market, making this a routine tax-withholding disposition rather than a discretionary share sale.

How many Silicon Laboratories (SLAB) shares does the CFO hold after this filing?

Following the tax-withholding disposition of 6,291 shares, CFO Dean Warren Butler directly holds 43,767 shares of Silicon Laboratories common stock, as reported in the Form 4 insider transaction filing.

What is the reported price per share in the Silicon Laboratories (SLAB) Form 4?

The Form 4 lists a price of $216.59 per Silicon Laboratories share for the 6,291 shares withheld to satisfy tax obligations related to the vesting of a previously reported equity award.

What type of security is involved in the Silicon Laboratories (SLAB) Form 4?

The transaction involves Silicon Laboratories common stock with a par value of $0.0001 per share, reflecting standard equity compensation that vested and triggered the related tax-withholding share disposition.