# EDGAR Filing Document

**Accession Number:** 0001580808
**File Stem:** 0001193125-23-020507
**Filing Date:** 2023-2
**Character Count:** 35467
**Document Hash:** fef6dd21f1a5c10fb6875d2f4460ca86
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-020507.hdr.sgml**: 20230201

**ACCESSION NUMBER**: 0001193125-23-020507

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230201

**DATE AS OF CHANGE**: 20230131

**GROUP MEMBERS**: MARTIN J. MANNION

**GROUP MEMBERS**: PETER Y. CHUNG

**GROUP MEMBERS**: SUMMIT INVESTORS I (UK), L.P.

**GROUP MEMBERS**: SUMMIT INVESTORS I, LLC

**GROUP MEMBERS**: SUMMIT INVESTORS MANAGEMENT, LLC

**GROUP MEMBERS**: SUMMIT MASTER COMPANY, LLC

**GROUP MEMBERS**: SUMMIT PARTNERS GE VIII, L.P.

**GROUP MEMBERS**: SUMMIT PARTNERS GE VIII, LLC

**GROUP MEMBERS**: SUMMIT PARTNERS GROWTH EQUITY FUND VIII-A, L.P.

**GROUP MEMBERS**: SUMMIT PARTNERS GROWTH EQUITY FUND VIII-B, L.P.

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** A10 Networks, Inc.
- **CENTRAL INDEX KEY:** 0001580808
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMPUTER COMMUNICATIONS EQUIPMENT [3576]
- **IRS NUMBER:** 201446869
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88506
- **FILM NUMBER:** 23573724

**BUSINESS ADDRESS:**
- **STREET 1:** 2300 ORCHARD PKWY
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131
- **BUSINESS PHONE:** (408) 325-8668

**MAIL ADDRESS:**
- **STREET 1:** 2300 ORCHARD PKWY
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SUMMIT PARTNERS L P
- **CENTRAL INDEX KEY:** 0000830588
- **IRS NUMBER:** 043478657
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 222 BERKELEY STREET
- **STREET 2:** 18TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** 6178241094

**MAIL ADDRESS:**
- **STREET 1:** 222 BERKELEY STREET
- **STREET 2:** 18TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

------

------

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, D.C. 20549** 

------

**SCHEDULE 13G/A** 

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**(Amendment No. 4)\*** 

------

## A10 Networks, Inc.
**(Name of Issuer)** 

**Common Stock, par value $0.00001 per share** 

**(Title of Class of Securities)** 

**002121101** 

**(CUSIP Number)** 

**December 31, 2022** 

**(Date of Event Which Requires Filing of this Statement)** 

------

Check the Appropriate Box to Designate the Rule Pursuant to Which this Schedule Is Filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☒ Rule 13d-1(d)

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("<u>Act</u>") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the *Notes*).

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Partners, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Partners GE VIII, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Partners GE VIII, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Partners Growth Equity Fund VIII-A, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Partners Growth Equity Fund VIII-B, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Master Company, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Investors Management, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Investors I, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Summit Investors I (UK), L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman
Islands

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

------

1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Martin J. Mannion

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; United States of
America

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; IN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

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1. &nbsp;&nbsp;&nbsp;&nbsp; Names of Reporting Persons &nbsp;&nbsp;&nbsp;&nbsp; Peter Y. Chung

2. &nbsp;&nbsp;&nbsp;&nbsp; Check The Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☐

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; United States of
America

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 5. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 6. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned By<br> Each<br> Reporting<br> Person<br> With | 8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;3,877,890 |

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9. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 3,877,890

10. &nbsp;&nbsp;&nbsp;&nbsp; Check Box if the Aggregate
Amount in Row (9) Excludes Certain Shares &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; Percent of
Class Represented By Amount in Row (9) &nbsp;&nbsp;&nbsp;&nbsp; 5.28%<sup>(1)</sup>

12. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; IN

(1) Calculated based on 73,447,815 shares of common stock, par value $0.00001 per share outstanding as of
October 28, 2022 as reported on the Issuer's Form 10-Q, filed on November 3, 2022.

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| | |
|:---|:---|
| **Item 1(a).** | **Name of Issuer** |
|  | A10 Networks, Inc. (the "Issuer") |
| **Item 1(b).** | **Address of the Issuer's Principal Executive Offices** |
|  | 2300 Orchard Parkway<br> San Jose, California 95131 |
| **Item 2(a).** | **Names of Persons Filing** |
|  | This Schedule 13G is being filed by Summit Partners, L.P., Summit Partners GE VIII, LLC, Summit Partners GE VIII, L.P., Summit Partners Growth Equity Fund VIII-A, L.P., Summit Partners Growth Equity Fund VIII-B, L.P., Summit Master Company, LLC, Summit Investors Management, LLC, Summit Investors I, LLC, Summit Investors I (UK), L.P. (individually, an "Entity" and collectively, the "Entities"), Martin J. Mannion and Peter Y. Chung (each of the foregoing Entities or individuals, a "Reporting Person").<br>Summit Master Company, LLC is the (i) general partner of Summit Partners, L.P., which is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. and (ii) managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as general partner of Summit Partners, L.P. and the managing member of Summit Investors Management, LLC, has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to A10 Networks, Inc. Summit Partners, L.P., through a two-person investment committee responsible for voting and investment decisions with respect to A10 Networks, Inc., currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by the reporting persons, as applicable. |
| **Item 2(b).** | **Address of the Principal Business Office, or if none, Residence:** |
|  | The address of the principal business office of Summit Partners, L.P., Summit Partners GE VIII, LLC, Summit Partners GE VIII, L.P., Summit Partners Growth Equity Fund VIII-A, L.P., Summit Partners Growth Equity Fund VIII-B, L.P., Summit Master Company, LLC, Summit Investors Management, LLC, Summit Investors I, LLC, Summit Investors I (UK), L.P., Martin J. Mannion and Peter Y. Chung is c/o Summit Partners, 222 Berkeley Street, 18th Floor, Boston, Massachusetts 02116. |
| **Item 2(c).** | **Citizenship** |
|  | Each of Summit Partners, L.P., Summit Partners GE VIII, L.P., Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. is a limited partnership organized under the laws of the State of Delaware. Each of Summit Partners GE VIII, LLC, Summit Master Company, LLC, Summit Investors Management, LLC and Summit Investors I, LLC is a limited liability company organized under the laws of the State of Delaware. Summit Investors I (UK), L.P. is a Cayman exempted limited partnership. Each of Martin J. Mannion and Peter Y. Chung is a United States citizen. |
| **Item 2(d).** | **Title of Class of Securities** |
|  | Common Stock, par value $0.00001 per share |

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| | |
|:---|:---|
| **Item 2(e).** | **CUSIP Number** |
|  | 002121101 |
| **Item 3.** | **If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a(n):** |
|  | Not Applicable. |
| **Item 4.** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Ownership**<br>**(a) Amount beneficially owned:**<br>See responses to Item 9 on each cover page.<br>**(b) Percent of Class:**<br>See responses to Item 11 on each cover page.<br>**(c) Number of shares as to which the Reporting Person has:**<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(i) Sole power to vote or to direct the vote:**<br>See responses to Item 5 on each cover page.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(ii) Shared power to vote or to direct the vote:**<br>See responses to Item 6 on each cover page.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(iii) Sole power to dispose or to direct the disposition of:**<br>See responses to Item 7 on each cover page.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**(iv) Shared power to dispose or to direct the disposition of:**<br>See responses to Item 8 on each cover page.<br>Of the 3,877,890 reported securities, (i) Summit Partners Growth Equity Fund VIII-A, L.P. directly holds 2,717,692 shares of Common Stock, (ii) Summit Partners Growth Equity Fund VIII-B, L.P. directly holds 992,866 shares of Common Stock, (iii) Summit Investors I, LLC directly holds 15,889 shares of Common Stock, (iv) Summit Investors I (UK), L.P. directly holds 1,399 shares of Common Stock and (v) 150,044 shares of Common Stock in the name of Peter Y. Chung are held for the benefit of Summit Partners, L.P.<br>By virtue of the affiliate relationship among the Entities and by virtue of Mr. Mannion's and Mr. Chung's membership in the two-person investment committee of Summit Partners, L.P., each of the Reporting Persons may be deemed to own beneficially all of the 3,877,890 shares of Common Stock as of December 31, 2022. Each of the Reporting Persons expressly disclaims beneficial ownership of any shares of A10 Networks, Inc., except with respect to shares held of record by such Reporting Person, as provided above.<br>The filing of this Statement shall not be construed as an admission that any Reporting Person is, for the purpose of Section 13(d) or 13(g) of the Exchange Act, the beneficial owner of any securities covered by this Statement. |
| **Item 5.** | **Ownership of Five Percent or Less of a Class** |
|  | Not Applicable. |

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| | |
|:---|:---|
| **Item 6.** | **Ownership of More than Five Percent on Behalf of Another Person** |
|  | Not Applicable. |
| **Item 7.** | **Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company** |
|  | Not Applicable. |
| **Item 8.** | **Identification and Classification of Members of the Group** |
|  | Not Applicable. |
| **Item 9.** | **Notice of Dissolution of Group** |
|  | Not Applicable. |
| **Item 10.** | **Certification** |
|  | Not Applicable. |

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**SIGNATURE** 

After reasonable inquiry and to the best of my knowledge and belief, we certify that the information set forth in this statement is true, complete and correct.

Dated: January 31, 2023

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| | | | |
|:---|:---|:---|:---|
| SUMMIT PARTNERS, L.P.<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS, L.P.<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GE VIII, LLC<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GE VIII, LLC<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner |
| By: | \* | By: | \* |
|  | Member |  | Member |
| SUMMIT PARTNERS GE VIII, L.P.<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GE VIII, L.P.<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GROWTH EQUITY FUND VIII-A, L.P.<br> By: Summit Partners GE VIII, L.P.,<br> its general partner<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GROWTH EQUITY FUND VIII-A, L.P.<br> By: Summit Partners GE VIII, L.P.,<br> its general partner<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner |
| By: | \* | By: | \* |
|  | Member |  | Member |
| SUMMIT PARTNERS GROWTH EQUITY FUND VIII-B, L.P.<br> By: Summit Partners GE VIII, L.P.,<br> its general partner<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT PARTNERS GROWTH EQUITY FUND VIII-B, L.P.<br> By: Summit Partners GE VIII, L.P.,<br> its general partner<br> By: Summit Partners GE VIII, LLC,<br> its general partner<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT MASTER COMPANY, LLC | SUMMIT MASTER COMPANY, LLC |
| By: | \* | By: | \* |
|  | Member |  | Member |

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| | | | |
|:---|:---|:---|:---|
| SUMMIT INVESTORS MANAGEMENT, LLC<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT INVESTORS MANAGEMENT, LLC<br> By: Summit Partners, L.P.,<br> its managing member<br> By: Summit Master Company, LLC,<br> its general partner | SUMMIT INVESTORS I, LLC<br> By: Summit Investors Management, LLC,<br> its manager<br> By: Summit Master Company, LLC,<br> its managing member | SUMMIT INVESTORS I, LLC<br> By: Summit Investors Management, LLC,<br> its manager<br> By: Summit Master Company, LLC,<br> its managing member |
| By: | \* | By: | \* |
|  | Member |  | Member |
| SUMMIT INVESTORS I (UK), L.P.<br> By: Summit Investors Management, LLC,<br> its general partner<br> By: Summit Master Company, LLC,<br> its managing member | SUMMIT INVESTORS I (UK), L.P.<br> By: Summit Investors Management, LLC,<br> its general partner<br> By: Summit Master Company, LLC,<br> its managing member |  |  |
| By: | \* | By: | \* |
|  | Member |  | Martin J. Mannion |
| By: | \* |  |  |
|  | Peter Y. Chung |  |  |
|  |  | \* By: | /s/ Adam H. Hennessey |
|  |  |  | Adam H. Hennessey<br> Power of Attorney\*\* |

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\*\* Pursuant to the Powers of Attorney attached hereto as Exhibit 99.2.

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EXHIBIT LIST

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| | |
|:---|:---|
| Exhibit 99.1 | Joint Filing Agreement, dated as of February 4, 2021, by and among Summit Partners, L.P., Summit Partners GE VIII, LLC, Summit Partners GE VIII, L.P., Summit Partners Growth Equity Fund VIII-A, L.P., Summit Partners Growth Equity Fund VIII-B, L.P., Summit Master Company, LLC, Summit Investors Management, LLC, Summit Investors I, LLC, Summit Investors I (UK), L.P., Martin J. Mannion and Peter Y. Chung (incorporated by reference to Exhibit A to that certain Schedule 13G filed on February 4, 2021 by the Reporting Persons with the Securities and Exchange Commission). |
| Exhibit 99.2 | Powers of Attorney, dated as of December 13, 2021 (incorporated by reference to Exhibit A to that certain Schedule 13G/A filed on February 4, 2022 by the Reporting Persons with the Securities and Exchange Commission). |

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