SLAB insider purchase: 53 shares acquired via ESPP

Rhea-AI Filing Summary

Silicon Laboratories (SLAB) reported an insider purchase by its Sr VP WW Sales & Marketing, Brandon Tolany. On 10/31/2025, he acquired 53 shares of common stock at $86.46 per share through the company’s Employee Stock Purchase Plan, a transaction coded “A.”

Following this purchase, his beneficial ownership stands at 62,381 shares, held directly.

Insider Trade Summary

Net Buyer: 53 shares

Net Buy 1 txn

Insider Tolany Brandon

Role Sr VP WW Sales & Marketing

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, $0.0001 par value	53	$86.46	$5K

Holdings After Transaction: Common Stock, $0.0001 par value — 62,381 shares (Direct)

Footnotes (1)

1. F1. Shares acquired by Reporting Person through the Issuer's 2009 Employee Stock Purchase Plan on the most recent semi-annual purchase date in a transaction exempt under both Rule 166-3(c) and Rule 166-3(d).

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/12/2025 - 05:44 PM Learn about SEC filing dates

FAQ

What did SLAB’s officer report in this Form 4?

He acquired 53 shares of common stock via the Employee Stock Purchase Plan on 10/31/2025.

At what price were the SLAB shares acquired?

The reported purchase price was $86.46 per share.

How many SLAB shares does the reporting person now own?

Following the transaction, he beneficially owns 62,381 shares.

What is the reporting person’s role at Silicon Laboratories (SLAB)?

He is the Sr VP WW Sales & Marketing.

What was the transaction code on the Form 4?

The transaction was coded “A” for acquisition.

Was the ownership marked as direct or indirect?

The filing lists Direct (D) ownership.

How were the shares acquired?

Through the company’s Employee Stock Purchase Plan on its semi-annual purchase date.

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^*

Tolany Brandon

(Last) (First) (Middle)

400 WEST CESAR CHAVEZ STREET

(Street)

AUSTIN TX 78701

(City) (State) (Zip)

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 WW Sales & Marketing

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

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

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

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

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	10/31/2025		A	V	53(1)	A	$86.46	62,381	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. Shares acquired by Reporting Person through the Issuer's 2009 Employee Stock Purchase Plan on the most recent semi-annual purchase date in a transaction exempt under both Rule 166-3(c) and Rule 166-3(d).

Remarks:

	Saie-Yau Hui for Brandon Tolany	11/13/2025
	** 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.