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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Madrona Investment Partners III
  2. Issuer Name and Ticker or Trading Symbol
Redfin Corp [RDFN]
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)
C/O MADRONA VENTURE GROUP, 999 THIRD AVE., 34TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
08/02/2017
(Street)

SEATTLE, WA 98104
4. If Amendment, Date 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
(City)
(State)
(Zip)
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
Common Stock 08/02/2017   C   1,355,350 A (1) 1,355,350 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   2,739,483 A (3) 4,094,833 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   1,184,724 A (4) 5,279,557 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   1,497,804 A (5) 6,777,361 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   411,932 A (6) 7,189,293 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   392,965 A (7) 7,582,258 I By Madrona Venture Fund III, L.P. (2)
Common Stock 08/02/2017   C   104,077 A (1) 104,077 I By Madrona Venture Fund III-A, L.P. (8)
Common Stock 08/02/2017   C   210,372 A (3) 314,449 I By Madrona Venture Fund III-A, L.P. (8)
Common Stock 08/02/2017   C   47,326 A (4) 361,775 I By Madrona Venture Fund III-A, L.P. (8)
Common Stock 08/02/2017   C   59,835 A (5) 421,610 I By Madrona Venture Fund III-A, L.P. (8)
Common Stock 08/02/2017   C   16,456 A (6) 438,066 I By Madrona Venture Fund III-A, L.P. (8)
Common Stock 08/02/2017   C   15,698 A (7) 453,764 I By Madrona Venture Fund III-A, L.P. (8)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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
Series A-1 Preferred Stock (1) 08/02/2017   C     1,355,350   (1)   (1) Common Stock 1,355,350 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series A-3 Preferred Stock (3) 08/02/2017   C     2,739,483   (3)   (3) Common Stock 2,739,483 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series B Preferred Stock (4) 08/02/2017   C     1,184,724   (4)   (4) Common Stock 1,184,724 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series C Preferred Stock (5) 08/02/2017   C     1,497,804   (5)   (5) Common Stock 1,497,804 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series D Preferred Stock (6) 08/02/2017   C     411,932   (6)   (6) Common Stock 411,932 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series E Preferred Stock (7) 08/02/2017   C     392,965   (7)   (7) Common Stock 392,965 $ 0 0 I By Madrona Venture Fund III, L.P. (2)
Series A-1 Preferred Stock (1) 08/02/2017   C     104,077   (1)   (1) Common Stock 104,077 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)
Series A-3 Preferred Stock (2) 08/02/2017   C     210,372   (3)   (3) Common Stock 210,372 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)
Series B Preferred Stock (4) 08/02/2017   C     47,326   (4)   (4) Common Stock 47,326 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)
Series C Preferred Stock (5) 08/02/2017   C     59,835   (5)   (5) Common Stock 59,835 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)
Series D Preferred Stock (6) 08/02/2017   C     16,456   (6)   (6) Common Stock 16,456 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)
Series E Preferred Stock (7) 08/02/2017   C     15,698   (7)   (7) Common Stock 15,698 $ 0 0 I By Madrona Venture Fund III-A, L.P. (8)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Madrona Investment Partners III
C/O MADRONA VENTURE GROUP
999 THIRD AVE., 34TH FLOOR
SEATTLE, WA 98104
    X    
Madrona Venture Fund III L P
C/O MADRONA VENTURE GROUP
999 THIRD AVE., 34TH FLOOR
SEATTLE, WA 98104
    X    
Madrona Venture Fund III-A LP
C/O MADRONA VENTURE GROUP
999 THIRD AVE., 34TH FLOOR
SEATTLE, WA 98104
    X    

Signatures

 /s/ Troy Cichos, Authorized Signatory of Madrona III General Partner, LLC, general partner of Madrona Investment Partners III, L.P., which is the general partner of each of Madrona Venture Fund III, L.P. and Madrona Venture Fund III-A, L.P.   08/02/2017
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Each share of the issuer's Series A-1 Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.
(2) These securities are held of record by Madrona Venture Fund III, L.P. ("Madrona Fund III"). Madrona Investment Partners III, L.P. ("Madrona Partners III") is the general partner of Madrona Fund III, and Madrona III General Partner, LLC ("Madrona III LLC") is the general partner of Madrona Partners III. The reporting person, who is a member of the issuer's board of directors, together with Tom Alberg, Scott Jacobson, Len Jordon, Matthew McIlwain and Tim Porter, are the managing members of Madrona III LLC, and each may be deemed to share voting and investment power over the securities held by Madrona Fund III. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(3) Each share of the issuer's Series A-3 Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to a the Registration Statement, and had no expiration date.
(4) Each share of the issuer's Series B Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to a the Registration Statement, and had no expiration date.
(5) Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to a the Registration Statement, and had no expiration date.
(6) Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to a the Registration Statement, and had no expiration date.
(7) Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to a the Registration Statement, and had no expiration date.
(8) These securities are held of record by Madrona Venture Fund III-A, L.P. ("Madrona Fund III-A"). Madrona Partners III is the general partner of Madrona Fund III-A, and Madrona III LLC is the general partner of Madrona Partners III. The reporting person, who is a member of the issuer's board of directors, together with Tom Alberg, Scott Jacobson, Len Jordon, Matthew McIlwain and Tim Porter are the managing members of Madrona III LLC, and each may be deemed to share voting and investment power over the securities held by Madrona Fund III-A. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

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