APTI Apptio, Inc.

This Statement on Schedule 13D relates to the Class A common stock, par value $0.0001 per share (the “ Class A Common Stock ”), of Apptio, Inc., a Delaware corporation (the “ Issuer ”), having its principal executive offices located at 11100 NE 8th Street, Suite 600 Bellevue, WA 98004.

The Reporting Person’s beneficial ownership of Class A Common Stock includes 5,344,833 shares of Class B common stock, par value $0.0001 per share, of the Issuer (the “ Class B Common Stock ,” and together with the Class A Common Stock, the “ Common Stock ”) acquired in connection with the Issuer’s initial public offering of its Class A Common Stock, which closed on September 28, 2016, of which 4,444,652 shares are held by the Reporting Person directly and 900,181 shares are held by the Reporting Person indirectly through Sachin Gupta, Trustee of the PG GRAT of 2016 dated July 19, 2016. In connection with the Issuer’s initial public offering, shares of equity securities beneficially owned by the Reporting Person were converted into shares of Class B Common Stock on a one-for-one basis. Shares of Class B Common Stock are convertible at any time, at the holder’s election, into Class A Common Stock on a one-for-one basis.

The Reporting Person’s beneficial ownership of Class A Common Stock also includes 754 shares of Class A Common Stock received by the Reporting Person in the first quarter of 2017 pursuant to a pro rata distribution of shares by an investment fund in which the Reporting Person had an ownership interest and 754,332 shares of Class B Common Stock issuable pursuant to stock options vested and exercisable within 60 days of October 26, 2017, subject to the Reporting Person’s continued service. The Reporting Person holds additional options and restricted stock units to purchase or convert into 384,868 shares of Class A Common Stock which are not vested and exercisable within 60 days of October 26, 2017. These options are governed by the Issuer’s 2011 Executive Equity Incentive Plan (the “ 2011 Plan ”) and were granted in connection with the Reporting Person’s service as an officer of the Issuer. No additional consideration was paid by the Reporting Person in connection with the receipt of such options.

As described in Item 3 above, the shares of Class A Common Stock beneficially owned by the Reporting Person were acquired in connection with the Issuer’s initial public offering. The Reporting Person is a co-founder and the president, chief executive officer and a member of the board of directors of the Issuer. Prior to the Issuer’s initial public offering, the Reporting Person beneficially owned approximately 18.7% of the equity securities of the Issuer.

The Reporting Person has no present plans or proposals for disposition of the shares beneficially owned by him or for acquisition of additional shares. The Reporting Person, however, expects to evaluate on a continuing basis his goals and objectives, other business opportunities available to him, and general economic and equity market conditions, as well as the Issuer’s business operations and prospects. Based on such evaluations, the Reporting Person may change his plans and intentions and may determine to sell or otherwise dispose of some or all of the shares beneficially owned by him or to acquire additional shares. In addition, the Reporting Person may, from time to time, transfer shares beneficially owned by him for tax or other economic planning purposes.

Except as set forth in this Schedule 13D, the Reporting Person does not have any present plans which relate to or would result in:

The Reporting Person is the president and chief executive officer of the Issuer and is a member of the Issuer’s board of directors and, accordingly, may have the ability to effect and influence control of the Issuer.

The Reporting Person is a party to the Amended and Restated Investors’ Rights Agreement dated as May 3, 2013, by and among the Issuer and certain investors of the Issuer (the “ Rights Agreement ”). Beginning six months following the Issuer’s initial public offering, various parties to the Rights Agreement have the right to demand that the Issuer use its best efforts to file a registration statement for the registration of the offer and sale of at least such number of shares as will result in anticipated offering proceeds in excess of $10.0 million. In addition, at any time after the Issuer is qualified to file a registration statement on Form S-3, various parties to the Rights Agreement have the right to demand that the Issuer file a registration statement on Form S-3 so long as the aggregate number of shares to be offered and sold equals at least $1.0 million. If the Issuer proposes to register the offer and sale of any of its securities either for its own account or for the account of other stockholders, various parties to the Rights Agreement have the right, subject to certain exceptions, to include their shares in such registration statement. The foregoing description of the Rights Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Rights Agreement, as amended, included as Exhibit 4.2 and Exhibit 4.2A to the Registration Statement.

The Reporting Person is also a party to stock option agreements under the 2011 Plan. In December 2011, the Reporting Person received a stock option exercisable for 450,000 shares of Class B Common Stock at a price of $2.39 per share, all of which are exercisable within 60 days of October 26, 2017. In June 2014, the Reporting Person received a stock option exercisable for 182,000 shares of Class B Common Stock at a price of $11.46 per share, of which 166,833 are exercisable within 60 days of October 26, 2017. In November 2015, the Reporting Person received a stock option exercisable for 400,000 shares of Class B Common Stock at a price of $14.31 per share, of which 137,499 are exercisable within 60 days of October 26, 2017. In May 2017, the Reporting Person received a stock option exercisable for 54,400 shares of Class B Common Stock at a price of $14.04 per share, none of which are exercisable within 60 days of October 26, 2017. In May 2017, the Reporting Person received an award of restricted stock units exercisable for 52,800 shares of Class B Common Stock, none of which are exercisable within 60 days of October 26, 2017.

Other than the agreements and relationships between the Reporting Persons described in Item 5 above and in this Item 6, to the knowledge of the Reporting Person, there are no contracts, arrangements, understandings or relationships (legal or otherwise) among the Reporting Person and any persons with respect to any securities of the Issuer, including, but not limited to, transfer or voting of any of the Shares, finder’s fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving of withholding of proxies.

Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: November 2, 2017