Silvaco CEO granted 154,745 RSUs in Form 4

RHINES WALDEN C reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

RHINES WALDEN C reported acquisition or exercise transactions in this Form 4 filing.

Silvaco Group, Inc. reported that Chief Executive Officer Walden C. Rhines received a grant of 154,745 Restricted Stock Units (RSUs) on May 22, 2026 under his employment agreement. Each RSU represents one share of common stock and was granted at no cash purchase price.

The RSUs are scheduled to vest on March 31, 2027, with vesting accelerating if his employment is terminated by the company for any reason or if he resigns after an uncured material breach of the agreement by the company before that date. Following this grant, Rhines directly holds 288,833 shares of Silvaco common stock.

Insider Trade Summary

Grant/Award: 154,745 shares

Grant/Award 1 txn

Insider RHINES WALDEN C

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	154,745	$0.00	$0.00

Holdings After Transaction: Common Stock — 288,833 shares (Direct)

Footnotes (1)

1. F1. Represents Restricted Stock Units ("RSUs") granted to the Reporting Person pursuant to that certain Employment Agreement, effective as of August 19, 2025 (the "Agreement"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on May 22, 2026, and will vest on March 31, 2027, provided that the vesting of the RSUs shall be accelerated in the event the Issuer terminates the Reporting Person's employment for any reason or the Reporting Person terminates his employment following a material breach of the Agreement by the Issuer which is not cured within 30 days after the Reporting Person provides written notice, in each case, prior to March 31, 2027.

Key Figures

RSUs granted: 154,745 RSUs Grant price per share: $0.0000 per share Shares held after transaction: 288,833 shares +1 more

4 metrics

RSUs granted 154,745 RSUs Grant on May 22, 2026 to CEO Walden C. Rhines

Grant price per share $0.0000 per share Reported transaction price for RSU award

Shares held after transaction 288,833 shares Direct common stock holdings following RSU grant

RSU vesting date March 31, 2027 Scheduled vesting date for 154,745 RSUs

Key Terms

Restricted Stock Units, Employment Agreement, vest, material breach

4 terms

Restricted Stock Units financial

"Represents Restricted Stock Units ("RSUs") granted to the Reporting Person pursuant to that certain Employment Agreement"

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.

Employment Agreement financial

"RSUs granted to the Reporting Person pursuant to that certain Employment Agreement, effective as of August 19, 2025"

vest financial

"The RSUs were granted on May 22, 2026, and will vest on March 31, 2027"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

material breach financial

"the Reporting Person terminates his employment following a material breach of the Agreement by the Issuer"

A material breach is a serious failure by a party to meet a key term of a contract that undermines the contract’s purpose or value; it’s more than a minor mistake and can allow the other side to end the deal or seek compensation. For investors, a material breach is a red flag because it can lead to lost revenue, costly legal fights, or sudden changes in a company’s operations — like finding a major structural problem in a house that makes it unsafe to live in.

FAQ

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

What insider transaction did Silvaco (SVCO) report for its CEO?

Silvaco reported that CEO Walden C. Rhines received 154,745 Restricted Stock Units (RSUs) as a share-based compensation grant. The award involves no cash purchase and increases his direct holdings to 288,833 common shares following the transaction.

How many RSUs were granted to the Silvaco (SVCO) CEO and at what price?

The CEO received a grant of 154,745 Restricted Stock Units (RSUs) with a reported price per unit of $0.0000. This indicates a compensation award rather than an open-market purchase, with each RSU representing a contingent right to one common share.

When do the CEO’s RSUs at Silvaco (SVCO) vest and under what conditions?

The 154,745 RSUs granted to Silvaco’s CEO are scheduled to vest on March 31, 2027. Vesting accelerates if the company terminates his employment for any reason or he resigns after an uncured material breach of his employment agreement by the company.

How many Silvaco (SVCO) shares does the CEO hold after this Form 4 transaction?

After the RSU grant, CEO Walden C. Rhines is reported to directly hold 288,833 shares of Silvaco common stock. This figure reflects his position following the award of 154,745 Restricted Stock Units disclosed in the Form 4 filing.

Is the Silvaco (SVCO) CEO’s Form 4 transaction an open-market buy or a compensation grant?

The Form 4 shows a compensation-related grant coded as an “A” transaction, not an open-market purchase. The CEO received 154,745 Restricted Stock Units at a stated price of $0.0000 per share under his employment agreement with Silvaco.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/27/2026 - 05:41 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^*

RHINES WALDEN C

(Last) (First) (Middle)

C/O SILVACO GROUP, INC.

4701 PATRICK HENRY DRIVE, BUILDING #23

(Street)

SANTA CLARA CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Silvaco Group, Inc. [ SVCO ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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	05/22/2026		A		154,745(1)	A	$0	288,833	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 Restricted Stock Units ("RSUs") granted to the Reporting Person pursuant to that certain Employment Agreement, effective as of August 19, 2025 (the "Agreement"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on May 22, 2026, and will vest on March 31, 2027, provided that the vesting of the RSUs shall be accelerated in the event the Issuer terminates the Reporting Person's employment for any reason or the Reporting Person terminates his employment following a material breach of the Agreement by the Issuer which is not cured within 30 days after the Reporting Person provides written notice, in each case, prior to March 31, 2027.

Remarks:

	/s/ Candace Jackson, as Attorney-in-Fact	05/27/2026
	** 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)