UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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FORM 8-K
____________________________________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of The Securities Exchange Act of 1934
June 8, 2023
Date of Report (Date of earliest event reported)
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A10 NETWORKS, INC.
(Exact name of the registrant as specified in its charter)
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| | | | | | | | |
| Delaware | 001-36343 | 20-1446869 |
| (State or Other Jurisdiction of Incorporation or Organization) | (Commission File Number) | (I.R.S. Employer Identification Number) |
2300 Orchard Parkway
San Jose, CA 95131
(Address of principal executive offices, including zip code)
(408) 325-8668
(Name and telephone number, including area code, of the person to contact in connection with this report)
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Securities registered pursuant to Section 12(b) of the Act:
| | | | | | | | | | | | | | |
| Title of each class | | Trading symbol(s) | | Name of each exchange on which registered |
| Common stock, $0.00001 par value per share | | ATEN | | New York Stock Exchange |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 4.01 Changes in Registrant's Certifying Accountant.
(a) Dismissal of Independent Registered Public Accounting Firm
On June 8, 2023, the Audit Committee of the Board of Directors of A10 Networks, Inc. (the “Company”) dismissed Armanino LLP (“Armanino”) as the Company’s independent registered public accounting firm, effective immediately.
The audit reports of Armanino on the consolidated financial statements of the Company for each of the two most recent fiscal years ended December 31, 2021 and 2022 did not contain an adverse opinion or a disclaimer of opinion and were not qualified or modified as to uncertainty, audit scope or accounting principles.
During the Company's two most recent fiscal years and subsequent interim period from January 1, 2023 to June 8, 2023, (i) there were no disagreements with Armanino on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedures that, if not resolved to Armanino’s satisfaction, would have caused Armanino to make reference to the subject matter of such disagreements in their reports on the Company’s consolidated financial statements for such years, and (ii) there were no “reportable events” as defined in Item 304(a)(1)(v) of Regulation S-K, except as described below.
The Company provided Armanino with a copy of the disclosures it is making in this Form 8-K and requested that Armanino furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether or not Armanino agrees with the statements made herein. A copy of Armanino’s letter dated June 143, 2023 is filed as Exhibit 16.1 hereto.
(b) Engagement of Independent Registered Public Accounting Firm
On June 13, 2023, following a competitive request-for-proposal process, the Audit Committee approved the engagement of Grant Thornton LLP (“Grant Thornton”) as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023, effective immediately.
During the Company's two most recent fiscal years ended December 31, 2021 and 2022 and subsequent interim period from January 1, 2023 to June 14, 2023, neither the Company nor anyone on its behalf consulted Grant Thornton regarding (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company’s consolidated financial statements, and neither a written report nor oral advice was provided to the Company that Grant Thornton concluded was an important factor considered by the Company in reaching a decision as to any accounting, auditing or financial reporting issue, or (ii) any matter that was either the subject of a “disagreement,” as that term is defined in Item 304(a)(1)(iv) of Regulation S-K, or a “reportable event,” as that term is defined in Item 304(a)(1)(v) of Regulation S-K.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: June 14, 2023
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| A10 NETWORKS, INC. |
| By: /s/ Brian Becker |
| Brian Becker |
| Chief Financial Officer |
