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HarbourVest IX-Venture Associates LLC

Disclosed activity across 1 company

Tapewire entity
171537
SEC CIK
0001659259

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Wayfair Inc.W · Entity 3426see remarksNovember 28, 2017November 30, 2017

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect306,215 Reported balance After 2017-11-28 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2017-11-28 · Sale · Disposed 12,959 · Balance 306,215

F9: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect306,215 Reported balance After 2017-11-28 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2017-11-28 · Sale · Disposed 11,824 · Balance 306,215

F9: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect612,431 Reported balance After 2017-11-28 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2017-11-28 · Sale · Disposed 23.649 · Balance 612,431

F9: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2017-11-28 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2017-11-28 · Sale · Disposed 1,568 · Balance 0

F9: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect305,440 Reported balance After 2017-11-29 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2017-11-29 · Sale · Disposed 775 · Balance 305,440

F10: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect305,440 Reported balance After 2017-11-29 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2017-11-29 · Sale · Disposed 775 · Balance 305,440

F10: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Class A Common StockSEC Table I · non-derivativeDirect610,881 Reported balance After 2017-11-29 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2017-11-29 · Sale · Disposed 1,550 · Balance 610,881

F10: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Filing footnotes · ownership attribution and instrument terms

F1: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F3: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F7: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F9: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F10: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
November 29, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 1,550 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 7

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 610,881

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 29, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 775 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 6

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,440

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 29, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 775 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 5

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,440

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.60 to $71.835 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 28, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 1,568 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 28, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 23.649 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 612,431

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 28, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 11,824 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,215

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
November 28, 2017 Filed Nov 30, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 12,959 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-027696 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · see remarks

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · see remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,215

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.05 to $70.25 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 10,625 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-021460 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,568

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 105,947 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-021460 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 636,080

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 52,974 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-021460 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,039

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 31, 2017 Filed Sep 5, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 60,263 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-021460 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 319,174

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 16, 2017 Filed Aug 18, 2017 18:03 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 2,532 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020720 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,633

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.70 to $71.18 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 16, 2017 Filed Aug 18, 2017 18:03 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 26,651 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020720 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 742,047

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.70 to $71.18 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 16, 2017 Filed Aug 18, 2017 18:03 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 13,325 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020720 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,013

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.70 to $71.18 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 16, 2017 Filed Aug 18, 2017 18:03 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 15,159 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020720 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,437

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.70 to $71.18 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 15, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 OtherClass A Common Stock 14,165 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 11

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,165

F12 · kind: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 8/15/2017.

F12 · price: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 8/15/2017.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 15, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 OtherClass A Common Stock 10,258 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 10

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 394,596

F12 · kind: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 8/15/2017.

F12 · price: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 8/15/2017.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 15, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 35,199 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 9

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 768,678

F11 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $70.96 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 15, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 17,600 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 8

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 384,338

F11 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $70.96 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 15, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 17,600 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 7

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 384,338

F11 · price: This transaction was executed in multiple trades at prices ranging from $70.50 to $70.96 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 1,150 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 6

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 803,877

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.03 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 575 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 5

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,938

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.03 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 575 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,938

F10 · price: This transaction was executed in multiple trades at prices ranging from $71.03 to $71.24 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 43,850 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 805,027

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.03 to $71.025 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 21,925 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 402,513

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.03 to $71.025 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
August 14, 2017 Filed Aug 16, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 21,925 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-020519 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 402,513

F9 · price: This transaction was executed in multiple trades at prices ranging from $70.03 to $71.025 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 31, 2017 Filed Jun 1, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 58,848 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-015015 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.90 to $63.55 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 31, 2017 Filed Jun 1, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 158,733 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-015015 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 434,788

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.90 to $63.55 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 30, 2017 Filed Jun 1, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 OtherClass A Common Stock 14,326 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-015015 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,848

F9 · kind: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 5/30/2017.

F9 · price: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 5/30/2017.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 30, 2017 Filed Jun 1, 2017 18:01 UTC Wayfair Inc. W · Entity 3426 OtherClass A Common Stock 10,374 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-015015 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 593,521

F9 · kind: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 5/30/2017.

F9 · price: Shares received from Battery Ventures IX (AIV) L.P. in-kind stock distribution on 5/30/2017.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 485 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 8

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,522

F10 · price: This transaction was executed in multiple trades at prices ranging from $64.29 to $64.73 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 2,559 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 7

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,007

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.28 to $64.28 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 9,553 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 6

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 869,577

F10 · price: This transaction was executed in multiple trades at prices ranging from $64.29 to $64.73 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 49,899 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 5

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 879,130

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.28 to $64.28 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 4,779 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 434,788

F10 · price: This transaction was executed in multiple trades at prices ranging from $64.29 to $64.73 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 24,947 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 439,567

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.28 to $64.28 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 6,411 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 583,147

F10 · price: This transaction was executed in multiple trades at prices ranging from $64.29 to $64.73 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 25, 2017 Filed May 26, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 33,459 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014610 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 589,558

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.28 to $64.28 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 2,697 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 12

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,566

F11 · price: This transaction was executed in multiple trades at prices ranging from $63.98 to $64.85 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 1,681 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 11

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,263

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.97 to $63.97 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 52,680 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 10

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 929,029

F11 · price: This transaction was executed in multiple trades at prices ranging from $63.98 to $64.85 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 32,836 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 9

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 981,709

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.97 to $63.97 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 26,345 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 8

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 464,514

F11 · price: This transaction was executed in multiple trades at prices ranging from $63.98 to $64.85 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 16,413 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 7

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 490,859

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.97 to $63.97 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

Read SEC document
May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 35,333 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 6

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 623,017

F11 · price: This transaction was executed in multiple trades at prices ranging from $63.98 to $64.85 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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May 24, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 22,015 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 5

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 658,350

F10 · price: This transaction was executed in multiple trades at prices ranging from $62.97 to $63.97 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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May 23, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 786 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 4

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,944

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.60 to $64.13 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F7 · ownership.direct: The securities are owned solely by HarbourVest Partners IX-Venture Fund L.P. ("HV9"). HarbourVest Partners LLC which is the Managing Member of HarbourVest IX-Venture Associates LLC, which is the general partner of HarbourVest IX-Venture Associates L.P. which is the general partner of HarbourVest Partners IX-Venture Fund L.P. may be deemed to have a beneficial interest in the securities held by HV9 and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F8 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. disclaims beneficial ownership of the securities held by HV9 and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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May 23, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 15,344 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 3

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,014,545

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.60 to $64.13 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F5 · ownership.direct: These securities are owned solely by HarbourVest Partners 2007 Direct Fund L.P. ("HV Direct"). HarbourVest Partners, LLC is the managing member of HarbourVest 2007 Direct Associates LLC, which is the general partner of HarbourVest 2007 Direct Associates L.P., which is the general partner of HV Direct. Each of HarbourVest Partners, LLC, HarbourVest 2007 Direct Associates LLC and HarbourVest 2007 Direct Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Direct and each disclaims beneficial ownership of the securities held by HV Direct, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F6 · ownership.direct: Each of HV Co-Invest, HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Direct and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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May 23, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 7,672 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 2

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 507,272

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.60 to $64.13 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F3 · ownership.direct: These securities are owned solely by HarbourVest/NYSTRS Co-Invest Fund L.P. ("HV Co-Invest"). HarbourVest Partners, LLC is the managing member of HIPEP VI Select Associates LLC, which is the general partner of HIPEP VI Select Associates L.P., which is the general partner of HV Co-Invest. Each of HarbourVest Partners, LLC, HIPEP VI Select Associates LLC and HIPEP VI Select Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Co-Invest and each disclaims beneficial ownership of the securities held by HV Co-Invest, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F4 · ownership.direct: Each of HV Ventures, HarbourVest VIII-Venture Associates LLC, HarbourVest VIII-Venture Associates L.P., HV Direct, HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P disclaims beneficial ownership of the securities held by HV Co-Invest and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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May 23, 2017 Filed May 25, 2017 18:02 UTC Wayfair Inc. W · Entity 3426 SaleClass A Common Stock 10,290 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-014377 · doc4.xml · nonDerivative · entry 1

HARBOURVEST PARTNERS 2007 DIRECT ASSOCIATES L.P. · CIK 0001620786 · See Remarks

HarbourVest Partners IX-Venture Fund L.P. · CIK 0001485992 · (see remarks)

HarbourVest IX-Venture Associates L.P. · CIK 0001659078 · (see remarks)

HarbourVest IX-Venture Associates LLC · CIK 0001659259 · (see remarks)

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 680,365

F9 · price: This transaction was executed in multiple trades at prices ranging from $63.60 to $64.13 per share inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected.

F1 · ownership.direct: These securities are owned solely by HarbourVest Partners VIII-Venture Fund, L.P. ("HV Ventures"). HarbourVest Partners, LLC is the managing member of HarbourVest VIII-Venture Associates LLC, which is the general partner of HarbourVest VIII-Venture Associates L.P., which is the general partner of HV Ventures. Each of HarbourVest Partners, LLC, HarbourVest VIII-Venture Associates LLC and HarbourVest VIII-Venture Associates L.P. may be deemed to have a beneficial interest in the securities held by HV Ventures and each disclaims beneficial ownership of the securities held by HV Ventures, except to the extent of its pecuniary interest which is subject to indeterminable future events.

F2 · ownership.direct: Each of HV Co-Invest (as defined below), HIPEP VI Select Associates LLC, HIPEP VI Select Associates L.P., HV Direct (as defined below), HarbourVest 2007 Direct Associates LLC, HarbourVest 2007 Direct Associates L.P., HV9 (as defined below), HarbourVest IX-Venture Associates LLC, and HarbourVest IX-Venture Associates L.P,. disclaims beneficial ownership of the securities held by HV Ventures and this report shall not be deemed an admission that any such reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.