Sec Form 4 Filing - Yorktown Energy Partners X, L.P. @ Brigham Minerals, Inc. - 2019-12-16

FORM 4 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 Yorktown Energy Partners X, L.P. 2. Issuer Name and Ticker or Trading Symbol Brigham Minerals, Inc. [ MNRL] 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) 410 PARK AVENUE, 19TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 12/16/2019 (Street) NEW YORK, NY10022 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 Class B Common Stock ( 1 ) 12/16/2019 C 802,324 D 2,683,371 D Class A Common Stock 12/16/2019 C 802,324 A 802,324 D Class A Common Stock 12/16/2019 S 802,324 D $ 17.376 0 D

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 Brigham Minerals Holdings, LLC Units ( 1 ) 12/16/2019 C 802,324 ( 1 ) ( 1 ) Class A Common Stock 802,324 $ 0 2,683,371 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Yorktown Energy Partners X, L.P. 410 PARK AVENUE 19TH FLOOR NEW YORK, NY10022 X Signatures Yorktown Energy Partners X, L.P.,By: Yorktown X Company LP, its general partnerBy: Yorktown X Associates LLC, its general partner/s/ Robert A. Signorino, Manager 12/18/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by shareholders generally. At the request of the holder, each common unit (each, a "Common Unit") of Brigham Minerals Holdings, LLC ("Brigham LLC") may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average closing price of one share of Class A common stock for each Common Unit redeemed for the 10 trading days prior to the date the holder requests redemption. The Common Units do not expire. ( 2 )On December 16, 2019, the reporting person requested that 802,324 shares of Class B common stock and 802,324 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 802,324 shares of Class A common stock.

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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