QUINSTREET, INC

For the period ended Jun 30, 2026. Filed Aug 26, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2026 · Filed Aug 26, 2026

QNST$18.65-2.0%Stored close · as of Nov 10, 2026

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Item 15. Exhibits, Financial Statement Schedules

cial Statement Schedules

(a) We have filed the following documents as part of this Annual Report on Form 10-K:

(1)Consolidated Financial Statements

Our Consolidated Financial Statements are listed in the “Index to Consolidated Financial Statements” under Part II, Item 8 of this Annual Report on Form 10-K.

	Page
Report of Independent Registered Public Accounting Firm (PCAOB ID 238)	54
Consolidated Balance Sheets	57
Consolidated Statements of Operations and Comprehensive Income (Loss)	58
Consolidated Statements of Stockholders’ Equity	59
Consolidated Statements of Cash Flows	60
Notes to Consolidated Financial Statements	62

(2)Financial Statement Schedule for the Years ended June 30, 2026, 2025, and 2024

Schedule II: Valuation and Qualifying Account

The activity in the allowance for doubtful accounts and the deferred tax asset valuation allowance are as follows (in thousands):

	Balance at thebeginning of theyear	Charged toexpenses/againstrevenue (1)	Write-offsnet of recoveries	Balance at the end of the year
Allowance for doubtful accounts
Fiscal year 2024	$3,722	$935	$(2,551)	$2,106
Fiscal year 2025	$2,106	$2,181	$(2,385)	$1,902
Fiscal year 2026	$1,902	$2,772	$(1,251)	$3,423
Deferred tax asset valuation allowance
Fiscal year 2024	$59,556	$8,113	$—	$67,669
Fiscal year 2025	$67,669	$1,618	$—	$69,287
Fiscal year 2026	$69,287	$(60,561)	$—	$8,726

(1)

Additions to the allowance for doubtful accounts and the valuation allowance are charged to expense. Additions to the allowance for sales returns are charged against revenue.

All other financial statement schedules are omitted because they are not required or the required information is shown in the financial statements or notes thereto. See Part II, Item 8 “Financial Statements and Supplementary Data.

(3)Exhibits

The exhibits listed in the following Exhibit Index are filed or incorporated by reference into this report:

Exhibit Number	Description of Exhibit	Form	File Number	Exhibit	Filing Date
2.1	Share Purchase Agreement, dated as of November 30, 2025, by and among QuinStreet, SIREN GROUP AG (d/b/a/HomeBuddy), the Shareholders listed on Schedule I thereto and Maxym Entin, solely as the representative of the Shareholders.	8-K	001-34628	2.1	December 3, 2025
3.1	Amended and Restated Certificate of Incorporation.	S-1/A	333-163228	3.2	December 22, 2009
3.2	Bylaws.	S-1/A	333-163228	3.4	December 22, 2009
4.1	Form of QuinStreet, Inc.’s Common Stock Certificate.	S-1/A	333-163228	4.1	January 14, 2010
10.1	Financing Agreement dated as of January 2, 2026, by and among QuinStreet, as Borrower, the other Loan Parties thereto, the Lenders party thereto, the Issuing Banks party thereto and MUFG BANK, LTD., as Administrative Agent.	8-K	001-34628	10.1	January 2, 2026
10.5+	QuinStreet, Inc. 2010 Equity Incentive Plan.	S-8	333-165534	99.9	March 17, 2010
10.6+	Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan (for non-executive officer employees).	S-8	333-165534	99.10	March 17, 2010
10.7+	Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan (for executive officers).	S-8	333-165534	99.11	March 17, 2010
10.8+	Forms of Senior Management Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan (for executive officers).	10-K	001-34628	10.8	August 23, 2012
10.9+	Forms of Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan (for non-executive officer employees).	10-K	001-34628	10.9	August 23, 2012
10.10+	Form of Restricted Stock Unit Agreement under 2010 Equity Incentive Plan (for non-employee directors).	10-K	001-34628	10.10	August 20, 2013
10.11+	QuinStreet, Inc. 2010 Non-Employee Directors’ Stock Award Plan.	S-8	333-165534	99.12	March 17, 2010
10.12+	Forms of Option Agreement and Option Grant Notice for Initial Grants under the 2010 Non-Employee Directors’ Stock Award Plan.	S-8	333-165534	99.13	March 17, 2010
10.13+	Forms of Option Agreement and Option Grant Notice for Annual Grants under the 2010 Non-Employee Directors’ Stock Award Plan.	S-8	333-165534	99.14	March 17, 2010
10.15+	Annual Incentive Plan.	S-1/A	333-163228	10.12	January 14, 2010

10.18	Office Lease Metro Center, dated as of February 25, 2010, between the registrant and CA-Metro Center Limited Partnership.	10-Q	001-34628	10.1	May 12, 2010
10.19+	Form of Indemnification Agreement made by and between QuinStreet, Inc. and each of its directors and executive officers.	S-1/A	333-163228	10.19	January 26, 2010
10.20	Assurance of Voluntary Compliance dated June 26, 2012 by and among QuinStreet, Inc. and the Attorneys General of the States of Alabama, Arizona, Arkansas, Delaware, Florida, Idaho, Illinois, Iowa, Kentucky, Massachusetts, Mississippi, Missouri, Nevada, New York, North Carolina, Ohio, Oregon, South Carolina, Tennessee and West Virginia.	8-K	001-34628	10.1	June 27, 2012
10.27+	Forms of Senior Management Performance-Based Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan (for executive officers).	10-K	001-34628	10.27	September 12, 2014
10.28+	Form of Deferred Restricted Stock Unit Agreement under 2010 Non-Employee Directors’ Stock Award Plan.	10-Q	001-34628	10.1	February 6, 2015
10.29	Third Amendment, to the Second Amended and Restated Revolving Credit and Term Loan Agreement, as amended from time to time, dated as of June 11, 2015, by and among QuinStreet, Inc., Comerica Bank, as administrative agent, and certain lenders party thereto.	8-K	001-34628	10.1	June 12, 2015
10.30+	Forms of Performance-Based Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan (for non-executive officer employees).	10-K	001-34628	10.30	August 19, 2015
10.31	Counselor Agreement dated December 31, 2015 between the Company and William Bradley.	10-Q	001-34628	10.1	February 9, 2016
10.32	Form of Change in Control Severance Agreement.	10-Q	001-34628	10.1	November 9, 2016
10.33+	Forms of Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan (for employees with a Change in Control Severance Agreement).	10-K	001-34628	10.33	September 8, 2017
10.34+	Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan (for employees with a Change in Control Severance Agreement).	10-K	001-34628	10.34	September 8, 2017
10.35	Amended Office Lease Metro Center, dated February 25, 2010 between the registrant and CA-Metro Center Limited Partnership	10-K	001-34628	10.35	September 12, 2018
10.37+	Forms of Performance-Based Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan with Revenue and Adjusted EBITDA Performance Metrics (for non-executive officer employees).	10-Q	001-34628	10.36	November 9, 2018
10.38+	Forms of Performance-Based Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan with Revenue and Adjusted EBITDA Performance Metrics (for executive officer).	10-Q	001-34628	10.37	November 9, 2018

10.39+	Forms of Performance-Based Restricted Stock Unit (RSU) Grant Notice and Agreement under 2010 Equity Incentive Plan with Revenue and Adjusted EBITDA Performance Metrics (for employees with a Change in Control Severance Agreement).	10-Q	001-34628	10.38	November 9, 2018
10.40+	QuinStreet, Inc. 2021 Employee Stock Purchase Plan	S-8	333-260769	99.1	November 4, 2021
10.41#	Sixth Amendment to Office Lease Metro Center, dated March 16, 2023 between QuinStreet, Inc. and Hudson Metro Center, LLC	10-K	001-34628	10.41	August 21, 2024
19.1	QuinStreet, Inc. Policy Against Trading on the Basis of Inside Information	10-K	001-34628	19.1	August 21, 2024
19.2	QuinStreet, Inc. Trading Window and Trade Pre-Clearance Policy	10-K	001-34628	19.2	August 21, 2024
19.3	QuinStreet, Inc. Rule 10b5-1 Trading Guidelines	10-K	001-34628	19.3	August 21, 2024
21.1*	List of Subsidiaries
23.1*	Consent of Independent Registered Public Accounting Firm (PCAOB ID 238)
24.1*	Power of Attorney (incorporated by reference to the signature page of this Annual Report on Form 10-K).
31.1*	Certification of the Chief Executive Officer of QuinStreet, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act.
31.2*	Certification of the Chief Financial Officer of QuinStreet, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act.
32.1**	Section 1350 Certifications of Chief Executive Officer and Chief Financial Officer.
97.1+	QuinStreet, Inc. Financial Restatement Compensation Recoupment Policy	10-K	001-34628	97.1	August 21, 2024
101.INS*	Inline XBRL Instance Document - the instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document.
101.SCH*	Inline XBRL Taxonomy Extension Schema Document
104*	Cover Page Interactive Data File (formatted as iXBRL and contained in Exhibit 101).

Filed herewith.

** Furnished herewith.

Indicates management contract or compensatory plan.

The schedules to this exhibit have been omitted pursuant to Item 601(b)(2) of Regulation S-K. QuinStreet, Inc. will furnish copies of such schedules to the SEC upon its request; provided, however, that QuinStreet, Inc. may request confidential treatment pursuant to Rule 24b-2 of the Exchange Act for any schedule so furnished.

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