SEC FORM 4

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

1. Name and Address of Reporting Person^*

Fagnan Jeff

(Last)

(First)

(Middle)

C/O CARBON BLACK, INC.

1100 WINTER STREET

(Street)

WALTHAM

02451

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Carbon Black, Inc. [ CBLK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/13/2019

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/13/2019		A		9,375⁽¹⁾	A	$0	15,382	D
Common Stock								9,365,231	I	By Atlas Venture Fund VI, L.P.⁽²⁾
Common Stock								286,392	I	By Atlas Venture Entrepreneurs' Fund VI, L.P.⁽³⁾
Common Stock								171,480	I	By Atlas Venture Fund VI GmbH & Co. KG⁽⁴⁾
Common Stock								181,273	I	By Atlas Venture Fund IX, L.P.⁽⁵⁾
Common Stock								21,079	I	By Accom B9F Investors, LLC⁽⁶⁾
Common Stock								174,500	I	By Accomplice CB Investors, LLC⁽⁷⁾

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The shares were acquired pursuant to a restricted stock unit award under the 2018 Stock Option and Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Carbon Black, Inc. common stock. The restricted stock units fully vest on June 12, 2020.

2. The shares are held directly by Atlas Venture Fund VI, L.P. ("AVF VI"). Atlas Venture Associates VI, L.P. ("AVA VI LP") is the sole general partner of AVF VI. Atlas Venture Associates VI, Inc. ("AVA VI Inc.") is the sole general partner of AVA VI LP. Mr. Fagnan is a director of AVA VI Inc. and is an investor in a limited partner of AVF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

3. The shares are held directly by Atlas Venture Entrepreneurs' Fund VI, L.P. ("AVEF VI"). AVA VI LP is the sole general partner of AVEF VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

4. The shares are held directly by Atlas Venture Fund VI GmbH & Co. KG ("AVFG VI"). AVA VI LP is the managing partner of AVFG VI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

5. The shares are held directly by Atlas Venture Fund IX, L.P. ("AVF IX"). Atlas Venture Associates IX, L.P. ("AVA IX LP") is the general partner of AVF IX. Atlas Venture Associates IX, LLC ("AVA IX LLC") is the general partner of AVA IX LP. Mr. Fagnan is a member of AVA IX LP. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

6. The shares are held directly by Accom B9F Investors, LLC ("AB9F"). Mr. Fagnan is a member of AB9F. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

7. The shares are held directly by Accomplice CB Investors, LLC ("ACBI"). Mr. Fagnan is a member of ACBI. Mr. Fagnan disclaims Section 16 beneficial ownership of all shares except to the extent of his pecuniary interest, if any, therein. This report shall not be deemed to be an admission that Mr. Fagnan is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

	/s/ Frank Castellucci, attorney-in-fact	06/14/2019
	** Signature of Reporting Person	Date
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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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