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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* BlueCrest Capital Management Ltd (Last) (First) (Middle) GROUND FLOOR, HARBOUR REACH LA RUE DE CARTERET (Street) ST HELIER Y9 JE2 4HR (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol South Mountain Merger Corp. [ SMMC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 06/24/2019
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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)
			Code	V	Amount	(A) or (D)	Price
Class A common stock, $0.0001 par value	06/24/2019	06/24/2019	P		2,227,500	A	(2)	2,227,500	I	See footnote(1)(3)

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrants	$11.5	06/24/2019		P		1,113,750		(2)	(2)	Class A Common Stock	1,113,750	(2)	1,113,750	I	See footnote(1)(3)

1. Name and Address of Reporting Person* BlueCrest Capital Management Ltd (Last) (First) (Middle) GROUND FLOOR, HARBOUR REACH LA RUE DE CARTERET (Street) ST HELIER Y9 JE2 4HR (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Platt Michael Edward (Last) (First) (Middle) C/O SOUTH MOUNTAIN MERGER CORP. 767 FIFTH AVENUE, 9TH FLOOR (Street) NEW YORK NY 10153 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. BlueCrest Capital Management Limited (the "Investment Manager") serves as investment manager to BSMA Limited, a Cayman Islands exempted company (the "Fund"), with respect to any securities held for the account of the Fund. The Investment Manager is a company organized under the laws of Jersey, Channel Islands, operating solely out of Jersey, Channel Islands. Michael E. Platt ("Mr. Platt" and, with the Investment Manager, each a "Reporting Person") serves as principal, director and control person of the Investment Manager with respect to any securities held for the account of the Fund.

2. On June 24, 2019, the Investment Manager acquired 2,227,500 units, held for the account of the Fund, with each unit (a "Unit") consisting of (i) one share of Class A common stock, par value $0.0001 per share (the "Class A common stock") of South Mountain Merger Corp. (the "Company") and (ii) one half of one warrant (the "Warrants"). Each whole warrant is initially exercisable for one share of Class A common stock at an exercise price of $11.50 per share of Class A common stock, subject to certain adjustments. The Warrants may be exercised only during the period (i) commencing on the later of (a) date that is 30 days after the first date on which the Company completes a business combination and (ii) expiring five years after the completion of the Company's business combination or earlier upon redemption or liquidation. The Units were purchased in a single transaction at a price of $10.00.

3. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), this filing shall not be deemed an admission that any of the Reporting Persons is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of any equity securities in excess of such Reporting Person's pecuniary interest therein.

	See Signatures included in Exhibit 99.1	06/26/2019
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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