Silicon Labs director granted 962 RSUs

Luther Sherri R reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Luther Sherri R reported acquisition or exercise transactions in this Form 4 filing.

Silicon Laboratories Inc. director Sherri R. Luther received an equity award in the form of restricted stock units. The grant covers 962 RSUs, each convertible into one share of common stock. These RSUs vest in full on the earlier of the first anniversary of the grant date or the day before the next year’s Annual Meeting of Stockholders.

After this award, Luther directly holds 6,701 shares of Silicon Labs common stock. This is a compensation-related grant, not an open-market stock purchase or sale.

Insider Trade Summary

Grant/Award: 962 shares

Grant/Award 1 txn

Insider Luther Sherri R

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, $0.0001 par value	962	$0.00	$0.00

Holdings After Transaction: Common Stock, $0.0001 par value — 6,701 shares (Direct)

Footnotes (1)

1. F1. Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person to receive one (1) share of common stock per RSU. The RSUs will vest completely on the earlier of (i) the first (1st) anniversary of the date of grant, and (ii) the date one day prior to the Annual Meeting of Stockholders in the year following the grant date.

Key Figures

RSU grant size: 962 units Shares after grant: 6,701 shares Security type: Common Stock, $0.0001 par value

3 metrics

RSU grant size 962 units Restricted stock units granted to director Sherri R. Luther

Shares after grant 6,701 shares Total common stock directly held after RSU award

Security type Common Stock, $0.0001 par value Underlying security for the RSU grant

Key Terms

restricted stock units, RSUs, Annual Meeting of Stockholders

3 terms

restricted stock units financial

"Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

"Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

Annual Meeting of Stockholders financial

"the date one day prior to the Annual Meeting of Stockholders in the year following"

FAQ

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

What did Silicon Laboratories (SLAB) director Sherri Luther report on this Form 4?

Sherri Luther reported receiving a grant of 962 restricted stock units from Silicon Laboratories. Each RSU represents the right to receive one share of common stock, reflecting routine equity-based director compensation rather than an open-market stock purchase or sale.

How many Silicon Laboratories (SLAB) shares does Sherri Luther hold after this RSU grant?

After the RSU award, Sherri Luther directly holds 6,701 shares of Silicon Laboratories common stock. This total includes the impact of the 962 newly granted restricted stock units, which will convert into shares once they vest under the specified schedule.

What are the vesting terms of Sherri Luther’s 962 RSUs at Silicon Laboratories (SLAB)?

The 962 RSUs granted to Sherri Luther vest completely on the earlier of two dates: the first anniversary of the grant date or the day before the next year’s Annual Meeting of Stockholders, providing a time-based vesting schedule tied to service.

Is Sherri Luther’s Silicon Laboratories (SLAB) RSU grant an open-market stock purchase?

No, the 962-share RSU grant to Sherri Luther is a stock-based compensation award, not an open-market purchase. The units are granted at no cash cost and convert into common shares only when the vesting conditions are satisfied in the future.

What type of security did Sherri Luther receive from Silicon Laboratories (SLAB)?

Sherri Luther received restricted stock units representing Silicon Laboratories common stock with a par value of $0.0001 per share. Each RSU will deliver one share of common stock when vested, aligning director compensation with shareholder interests over time.

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

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Accepted by SEC EDGAR 04/24/2026 - 11:23 AM 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^*

Luther Sherri R

(Last) (First) (Middle)

111 SW FIFTH AVE SUITE 700

(Street)

PORTLAND OREGON 97204

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/23/2026

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	04/23/2026		A		962(1)	A	$0	6,701	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. Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person to receive one (1) share of common stock per RSU. The RSUs will vest completely on the earlier of (i) the first (1st) anniversary of the date of grant, and (ii) the date one day prior to the Annual Meeting of Stockholders in the year following the grant date.

Remarks:

	Saie-Yau Hui for Sherri Luther	04/23/2026
	** 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)