Sec Form 3 Filing - AlpInvest Partners B.V. @ N-able, Inc. - 2021-07-19

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person AlpInvest Partners B.V. 2. Issuer Name and Ticker or Trading Symbol N-able, Inc. [ NABL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) JACHTHAVENWEG 118, 3. Date of Earliest Transaction (MM/DD/YY) 07/19/2021 (Street) 1081 KJ AMSTERDAM, P7 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 2,479,735 ( 1 ) I ( 2 ) See footnote ( 2 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other AlpInvest Partne rs B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest GA B.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest GA Co C.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest Partners 2014 I B.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest Partners Co-Investments 2014 I C.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X Alpinvest Partners 2014 II B.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest Partners Co-Investments 2014 II C.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AlpInvest Mich B.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X AM 2014 CO C.V. C/O ALPINVEST PARTNERS B.V. JACHTHAVENWEG 118 1081 KJ AMSTERDAM, P7 X Signatures /s/ Patrick de van der Schueren 07/28/2021 Signature of Reporting Person Date /s/ Joeri de Groot 07/28/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of 29,757 shares held directly by AlpInvest GA CO C.V., 2,053,221 shares held directly by AlpInvest Partners Co-Investments 2014 I C.V., 332,780 shares held directly by AlpInvest Partners Co-Investments 2014 II C.V., and 63,977 shares held directly by AM 2014 CO C.V. ( 2 )AlpInvest GA, B.V. is the general partner of AlpInvest GA Co C.V. AlpInvest Partners 2014 I B.V. is the general partner of AlpInvest Partners Co-Investments 2014 I C.V. AlpInvest Partners2014 II B.V. is the general partner of AlpInvest Partners Co-Investment 2014 II C.V. AlpInvest Mich B.V. is the general partner of AM 2014 CO C.V. AlpInvest Partners B.V. is the managingdirector of each of AlpInvest GA B.V., AlpInvest Partners 2014 I B.V., AlpInvest Partners 2014 II B.V. and AlpInvest Mich B.V. (collectively, the "General Partners"). Due to this relationship,AlpInvest Partners B.V. may be deemed to exercise voting and dispositive power with respect to the shares held by AlpInvest GA CO C.V, AlpInvest Partners Co-Investments 2014 I C.V.,AlpInvest Partners Co-Investments 2014 II C.V., and AM 2014 CO C.V. (collectively, the "Funds"). Each of AlpInvest Partners B.V. and the General Partners disclaims beneficialownership of the shares owned by the Funds except to the extent of its pecuniary interest therein.

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).

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