Director Joseph R. Bronson receives 2,689-share equity award at PDF Solutions (PDFS)

Rhea-AI Filing Summary

BRONSON JOSEPH R reported acquisition or exercise transactions in this Form 4 filing.

PDF Solutions director Joseph R. Bronson received an equity award of 2,689 shares of Common Stock as a grant under the company’s Director Compensation Program. The award is in the form of Restricted Stock Units that vest in four equal quarterly installments, subject to his continued service.

After this grant, Bronson directly holds 40,956 shares of Common Stock reported in this filing.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider BRONSON JOSEPH R

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,689	$0.00	--

Holdings After Transaction: Common Stock — 40,956 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Equity award size: 2,689 shares Transaction price per share: $0.0000 per share Post-transaction holdings: 40,956 shares +1 more

4 metrics

Equity award size 2,689 shares Grant of Common Stock/RSUs to director Joseph R. Bronson

Transaction price per share $0.0000 per share Equity grant under Director Compensation Program

Post-transaction holdings 40,956 shares Bronson’s direct Common Stock ownership after the grant

Vesting structure 4 installments of 25% RSUs vest quarterly after the grant effective date

Key Terms

Restricted Stock Units, Director Compensation Program, vesting

3 terms

Restricted Stock Units financial

"These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program."

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.

Director Compensation Program financial

"These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program."

vesting financial

"RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter..."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:36 PM Accepted by SEC EDGAR 07/02/2026 - 04:35 PM 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^*

BRONSON JOSEPH R

(Last) (First) (Middle)

2858 DE LA CRUZ BLVD.

(Street)

SANTA CLARA CALIFORNIA 95050

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
PDF SOLUTIONS INC [ PDFS ]

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)
07/01/2026

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	07/01/2026		A		2,689(1)	A	(1)	40,956	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. These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

	/s/ Adnan Raza, Attorney-in-Fact for Joseph Bronson	07/02/2026
	** 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 insider transaction did PDF Solutions (PDFS) report for Joseph R. Bronson?

PDF Solutions reported that director Joseph R. Bronson received a grant of 2,689 shares of Common Stock as an equity award. The grant was made at no cash cost to him and is structured as Restricted Stock Units that vest over time.

How many shares did Joseph R. Bronson acquire in this PDFS Form 4 filing?

Joseph R. Bronson acquired 2,689 shares of Common Stock as a grant. These shares are tied to Restricted Stock Units that vest in four equal installments, providing quarterly vesting rather than immediate full ownership, subject to his continued service as a director.

What is Joseph R. Bronson’s PDF Solutions (PDFS) shareholding after this transaction?

Following this grant, Joseph R. Bronson directly holds 40,956 shares of PDF Solutions Common Stock as reported. This total includes the newly awarded 2,689 shares, reflecting his updated direct ownership position after the director compensation equity grant.

How do the Restricted Stock Units granted to Joseph R. Bronson vest at PDF Solutions?

The Restricted Stock Units granted to Joseph R. Bronson vest in four equal installments of twenty-five percent each. Vesting occurs on the first day of each calendar quarter after the grant’s effective date, provided he continues to serve through each vesting date.

Was cash paid for the shares in Joseph R. Bronson’s latest PDFS Form 4 transaction?

No cash was paid for these shares; the transaction price per share is reported as 0.0000. The 2,689 shares were received as a stock-based compensation grant under the Director Compensation Program rather than through an open-market purchase.