Sec Form 4 Filing - Mhatre Ravi @ Blend Labs, Inc. - 2021-12-06

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 Mhatre Ravi 2. Issuer Name and Ticker or Trading Symbol Blend Labs, Inc. [ BLND] 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) 2200 SAND HILL ROAD 3. Date of Earliest Transaction (MM/DD/YY) 12/06/2021 (Street) MENLO PARK, CA94025 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 Class A Common Stock 12/06/2021 J( 1 ) 2,600,000 D $ 0 14,818,355 I By Lightspeed Venture Partners IX, L.P( 2 ) Class A Common Stock 12/06/2021 J( 3 ) 82,908 A $ 0 82,908 D( 4 ) Class A Common Stock 12/06/2021 J( 3 ) 82,908 A $ 0 82,908 D( 5 ) Class A Common Stock 12/06/2021 J( 3 ) 82,908 A $ 0 82,908 D( 6 ) Class A Common Stock 6,047,382 I By Lightspeed Venture Partners Select, L.P.( 7 ) Class A Common Stock 2,261,500 I By Lightspeed Venture Partners Select III, L.P.( 8 )

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 P rice 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 Mhatre Ravi 2200 SAND HILL ROAD MENLO PARK, CA94025 X Eggers Barry 2200 SAND HILL ROAD MENLO PARK, CA94025 X Nieh Peter 2200 SAND HILL ROAD MENLO PARK, CA94025 X Signatures /s/ Ravi Mhatre 12/08/2021 Signature of Reporting Person Date /s/ Barry Eggers 12/08/2021 Signature of Reporting Person Date /s/ Peter Nieh 12/08/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Lightspeed Venture Partners IX, L.P ("Lightspeed IX") to its general partner and limited partners without additional consideration. The general partner further distributed the shares received in this distribution to its members on a pro rata basis for no consideration. ( 2 )Shares are held by Lightspeed IX. Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of Messrs. Eggers, Mhatre, and Nieh disclaims beneficial ownership of the shares held by Lightspeed IX except to the extent of his respective pecuniary interest therein. ( 3 )Represents receipt of shares in the distribution in kind described in footnote (1). ( 4 )Shares are held by Ravi Mhatre. ( 5 )Shares are held by Barry Eggers. ( 6 )Shares are held by Peter Nieh. ( 7 )Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Ravi Mhatre and Peter Nieh are directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. Each of Messrs. Eggers, Mhatre, and Nieh disclaims beneficial ownership of the shares held by Lightspeed Select except to the extent of his respective pecuniary interest therein. ( 8 )Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed General Partner Select III, L.P. ("LGP Select III") is the general partner of Lightspeed Select III. Lightspeed Ultimate General Partner Select III, Ltd ("LUGP Select III") is the general partner of LGP Select III. Barry Eggers, Ravi Mhatre, and Peter Nieh are directors of LUGP Select III and share voting and dispositive power with respect to the shares held by Lightspeed Select III. Each of Messrs. Eggers, Mhatre, and Nieh disclaims beneficial ownership of the shares held by Lightspeed Select III except to the extent of his respective 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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