X0306 4 2017-12-13 0 0001370702 QUANTENNA COMMUNICATIONS INC QTNA 0001199039 STEVENS MARK A C/O QUANTENNA COMMUNICATIONS, INC. 1704 AUTOMATION PARKWAY SAN JOSE CA 95131 1 0 0 0 Common Stock 2017-12-13 4 J 0 17307 A 43294 I See footnote Common Stock 2017-12-13 4 J 0 8452 A 51746 I See footnote Common Stock 2017-12-13 4 J 0 546 A 52292 I See footnote Common Stock 6616 D Common Stock 15000 I See footnote Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distribution by SC XI Management, LLC. Shares held by Third Millennium Trust ("Millennium"). The Reporting Person is the trustee of Millennium, and has voting and investment power with respect to the shares held by Millennium. Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Sequoia Capital XI Principals Fund, LLC. Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Sequoia Technology Partners XI Management, LLC. Shares held by S-Cubed Capital ("SCC"). The Reporting Person is the managing partner of SCC, and has voting and investment power with respect to the shares held by SCC. /s/ Tom MacMitchell, as Attorney-in-Fact 2017-12-15