Sec Form 13G Filing - OAK MANAGEMENT CORP @ NEOPHOTONICS CORP

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934
(Amendment No. 8)*

NeoPhotonics Corporation
(Name of Issuer)

Common Stock, $0.0025 par value per share
(Title of Class of Securities)

64051T100
(CUSIP Number)

December 31, 2019
(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)
x	Rule 13d-1(d)

(Page 1 of 23 Pages)

______________________________

*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 the disclosures provided in a prior cover page.

The information required in 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 ("Act") 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).

CUSIP No. 64051T100

13G/A

Page 2 of 23 Pages

1	NAME OF REPORTING PERSON Oak Investment Partners IX, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 19,452 shares of Common Stock^[1]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 19,452 shares of Common Stock¹
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,452 shares of Common Stock¹
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.04%
12	TYPE OF REPORTING PERSON PN

________________________

¹ Represents options to acquire 19,452 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 3 of 23 Pages

1	NAME OF REPORTING PERSON Oak Associates IX, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 19,452 shares of Common Stock^[2]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 19,452 shares of Common Stock²
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,452 shares of Common Stock²
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.04%
12	TYPE OF REPORTING PERSON OO-LLC

________________________

² Represents options to acquire 19,452 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 4 of 23 Pages

1	NAME OF REPORTING PERSON Oak IX Affiliates Fund, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 206 shares of Common Stock^[3]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 206 shares of Common Stock³
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 206 shares of Common Stock³
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON PN

________________________

³ Represents options to acquire 206 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 5 of 23 Pages

1	NAME OF REPORTING PERSON Oak IX Affiliates, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 673 shares of Common Stock^[4]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 673 shares of Common Stock⁴
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 673 shares of Common Stock⁴
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON OO-LLC

________________________

⁴ Represents options to acquire 673 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 6 of 23 Pages

1	NAME OF REPORTING PERSON Oak IX Affiliates Fund - A, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 467 shares of Common Stock^[5]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 467 shares of Common Stock⁵
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 467 shares of Common Stock⁵
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON PN

________________________

⁵ Represents 38 options to acquire 467 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 7 of 23 Pages

1	NAME OF REPORTING PERSON Oak Investment Partners X, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 38,326 shares of Common Stock^[6]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 38,326 shares of Common Stock⁶
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 38,326 shares of Common Stock⁶
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.08%
12	TYPE OF REPORTING PERSON PN

________________________

⁶ Represents options to acquire 38,326 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 8 of 23 Pages

1	NAME OF REPORTING PERSON Oak Associates X, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 38,326 shares of Common Stock^[7]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 38,326 shares of Common Stock⁷
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 38,326 shares of Common Stock⁷
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.08%
12	TYPE OF REPORTING PERSON OO-LLC

________________________

⁷ Represents options to acquire 38,326 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 9 of 23 Pages

1	NAME OF REPORTING PERSON Oak X Affiliates Fund, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 616 shares of Common Stock^[8]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 616 shares of Common Stock⁸
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 616 shares of Common Stock⁸
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON PN

________________________

⁸ Represents options to acquire 616 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 10 of 23 Pages

1	NAME OF REPORTING PERSON Oak X Affiliates, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 616 shares of Common Stock^[9]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 616 shares of Common Stock⁹
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 616 shares of Common Stock⁹
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON OO-LLC

________________________

⁹ Represents options to acquire 616 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 11 of 23 Pages

1	NAME OF REPORTING PERSON Oak Investment Partners XI, Limited Partnership
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 1,375 shares of Common Stock^[10]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 1,375 shares of Common Stock¹⁰
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,375 shares of Common Stock¹⁰
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON PN

________________________

¹⁰ Represents options to acquire 1,375 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 12 of 23 Pages

1	NAME OF REPORTING PERSON Oak Associates XI, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 1,375 shares of Common Stock^[11]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 1,375 shares of Common Stock¹¹
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,375 shares of Common Stock¹¹
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) Less than 0.01%
12	TYPE OF REPORTING PERSON OO-LLC

________________________

¹¹ Represents options to acquire 1,375 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 13 of 23 Pages

1	NAME OF REPORTING PERSON Oak Management Corporation
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 60,442 shares of Common Stock^[12]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 60,442 shares of Common Stock¹²
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,442 shares of Common Stock¹²
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.13%
12	TYPE OF REPORTING PERSON CO

________________________

¹² Represents options to acquire 60,442 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 14 of 23 Pages

1	NAME OF REPORTING PERSON Bandel L. Carano
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 60,442 shares of Common Stock^[13]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 60,442 shares of Common Stock¹³
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,442 shares of Common Stock¹³
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.13%
12	TYPE OF REPORTING PERSON IN

________________________

¹³ Represents options to acquire 60,442 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 15 of 23 Pages

1	NAME OF REPORTING PERSON Edward F. Glassmeyer
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 60,442 shares of Common Stock^[14]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 60,442 shares of Common Stock¹⁴
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,442 shares of Common Stock¹⁴
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.13%
12	TYPE OF REPORTING PERSON IN

________________________

¹⁴ Represents options to acquire 60,442 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 16 of 23 Pages

1	NAME OF REPORTING PERSON Fredric W. Harman
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 60,442 shares of Common Stock^[15]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 60,442 shares of Common Stock¹⁵
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,442 shares of Common Stock¹⁵
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.13%
12	TYPE OF REPORTING PERSON IN

________________________

¹⁵ Represents options to acquire 60,442 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 17 of 23 Pages

1	NAME OF REPORTING PERSON Ann H. Lamont
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	5	SOLE VOTING POWER 0 shares of Common Stock
	6	SHARED VOTING POWER 60,442 shares of Common Stock^[16]
	7	SOLE DISPOSITIVE POWER 0 shares of Common Stock
	8	SHARED DISPOSITIVE POWER 60,442 shares of Common Stock¹⁶
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,442 shares of Common Stock¹⁶
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.13%
12	TYPE OF REPORTING PERSON IN

________________________

¹⁶ Represents options to acquire 60,442 shares of Common Stock.

CUSIP No. 64051T100

13G/A

Page 18 of 23 Pages

Item 1(a).	NAME OF ISSUER
	NeoPhotonics Corporation

Item 1(b).	ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
	2911 Zanker Road,
	San Jose, California 95134

Item 2(a).	NAME OF PERSON FILING
	Oak Investment Partners IX, Limited Partnership ("Oak IX")
	Oak Associates IX, LLC
	Oak IX Affiliates Fund, Limited Partnership ("Oak IX Affiliates")
	Oak IX Affiliates, LLC
	Oak IX Affiliates Fund – A, Limited Partnership ("Oak IX Affiliates – A")
	Oak Investment Partners X, Limited Partnership ("Oak X")
	Oak Associates X, LLC
	Oak X Affiliates Fund, Limited Partnership ("Oak X Affiliates)
	Oak X Affiliates, LLC
	Oak Investment Partners XI, Limited Partnership ("Oak XI")
	Oak Associates XI, LLC
	Oak Management Corporation ("Oak Management")
	Bandel L. Carano
	Edward F. Glassmeyer
	Fredric W. Harman
	Ann H. Lamont

Item 2(b).	ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE
	c/o Oak Management Corporation
	901 Main Avenue, Suite 600
	Norwalk, CT 06851

Item 2(c).	CITIZENSHIP
	Please refer to Item 4 on each cover sheet for each filing person.

Item 2(d).	TITLE OF CLASS OF SECURITIES
	Common Stock, par value $0.0025 per share

Item 2(e).	CUSIP NUMBER
	64051T100

CUSIP No. 64051T100

13G/A

Page 19 of 23 Pages

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:

(a)	¨	Broker or dealer registered under Section 15 of the Act;
(b)	¨	Bank as defined in Section 3(a)(6) of the Act;
(c)	¨	Insurance company as defined in Section 3(a)(19) of the Act;
(d)	¨	Investment company registered under Section 8 of the Investment Company Act of 1940;
(e)	¨	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)	¨	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)	¨	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)	¨	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
(i)	¨	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
(j)	¨	A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);
(k)	¨	Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please

specify the type of institution:

Item 4.	OWNERSHIP
	The information in Items 1 and 5 through 11 on the cover pages of this Schedule 13G is hereby incorporated by reference.

	The approximate percentages of shares of Common Stock reported as beneficially owned by the Reporting Persons are based upon approximately 48,241,131 shares of Common Stock outstanding as of October 31, 2019, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2019 filed with the Securities and Exchange Commission on November 4, 2019, plus certain shares described below that are issuable upon exercise by the Reporting Persons of options to acquire Common Stock.

	Oak Associates IX, LLC is the general partner of Oak IX; and Oak IX Affiliates, LLC is the general partner of both Oak IX Affiliates and Oak IX Affiliates - A. Oak Management is the manager of each of Oak IX, Oak IX Affiliates, and Oak IX Affiliates - A. Bandel L. Carano, Edward F. Glassmeyer, Fredric W. Harman and Ann H. Lamont are the managing members of each of Oak Associates IX, LLC, Oak IX Affiliates, LLC and Oak IX Affiliates - A, and, as such, may be deemed to possess shared beneficial ownership of the shares of Common Stock held by such entities.

CUSIP No. 64051T100

13G/A

Page 20 of 23 Pages

	Oak Associates X, LLC is the general partner of Oak X; and Oak X Affiliates, LLC is the general partner of Oak X Affiliates. Oak Management is the manager of each of Oak X and Oak X Affiliates. Bandel L. Carano, Edward F. Glassmeyer, Fredric W. Harman and Ann H. Lamont are the managing members of each of Oak Associates X, LLC and Oak X Affiliates, LLC, and, as such, may be deemed to possess shared beneficial ownership of the shares of Common Stock held by such entities.

	Oak Associates XI, LLC is the general partner of Oak XI. Oak Management is the manager of Oak XI. Bandel L. Carano, Edward F. Glassmeyer, Fredric W. Harman and Ann H. Lamont are the managing members of Oak Associates XI, LLC, and, as such, may be deemed to possess shared beneficial ownership of the shares of Common Stock held by the Oak XI.

	Amounts shown as beneficially owned by Oak IX and Oak Associates IX, LLC include 19,452 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak IX that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak IX Affiliates and Oak IX Affiliates, LLC include 206 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak IX Affiliates that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak IX Affiliates - A and Oak IX Affiliates, LLC include 467 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak IX Affiliates – A, that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak X and Oak Associates X, LLC include 38,326 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak X, that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak X Affiliates and Oak X Affiliates, LLC include 616 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak X Affiliates, that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak XI and Oak Associates XI, LLC include 1,375 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak XI, that are issuable upon exercise of options to acquire Common Stock.

	Amounts shown as beneficially owned by Oak Management, Bandel L. Carano, Edward F. Glassmeyer, Fredric W. Harman and Ann H. Lamont, include an aggregate of 60,442 shares, which may be deemed to be held by Bandel L. Carano on behalf of Oak IX, Oak IX Affiliates, Oak IX Affiliates – A, Oak X, Oak X Affiliates or Oak XI (in each case as described above), that are issuable upon exercise of options to acquire Common Stock.

CUSIP No. 64051T100

13G/A

Page 21 of 23 Pages

By making this filing, the Reporting Persons acknowledge that they may be deemed to constitute a “group” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, in connection with the securities of the Issuer. Each Reporting Person disclaims the existence of a “group” and disclaims beneficial ownership of all shares of Common Stock or securities convertible into or exercisable for Common Stock other than any shares or other securities reported herein as being owned by it, him or her, as the case may be.

Item 5.	OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: x

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 OR CONTROL PERSON
	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.

CUSIP No. 64051T100

13G/A

Page 22 of 23 Pages

SIGNATURES

After reasonable inquiry and to the best of the knowledge and belief of the undersigned, each of the undersigned certifies that the information set forth in this statement with respect to such entity or individual is true, complete and correct.

DATE: January 23, 2020

Entities: Oak Investment Partners IX, Limited Partnership Oak Associates IX, LLC Oak IX Affiliates Fund, Limited Partnership Oak IX Affiliates, LLC Oak IX Affiliates Fund – A, Limited Partnership Oak Investment Partners X, Limited Partnership Oak Associates X, LLC Oak X Affiliates Fund, Limited Partnership Oak X Affiliates, LLC Oak Investment Partners XI, Limited Partnership Oak Associates XI, LLC Oak Management Corporation


/s/ Edward F. Glassmeyer
Name:	Edward F. Glassmeyer
Title:	General Partner or Managing Member or attorney-in-fact for the above-listed entities

Individuals: Bandel L. Carano Edward F. Glassmeyer Fredric W. Harman Ann H. Lamont


/s/ Edward F. Glassmeyer
Edward F. Glassmeyer, individually and as attorney-in-fact for the above-listed individuals

CUSIP No. 64051T100

13G/A

Page 23 of 23 Pages

INDEX TO EXHIBITS

EXHIBIT A - Joint Filing Agreement (previously filed)

EXHIBIT B - Power of Attorney (previously filed)

Sec Form 13G Filing - OAK MANAGEMENT CORP filing for NEOPHOTONICS CORP (NPTN) - 2020-01-23