The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

Names of Reporting Persons

Christian Groh

Check the Appropriate Box if a Member of a Group (see instructions)

(a)  ☐        (b)  ☐

SEC USE ONLY

Citizenship or Place of Organization

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

6,293,257

Shared Voting Power

844,491

Sole Dispositive Power

6,293,257

Shared Dispositive Power

844,491

Aggregate Amount Beneficially Owned by Each Reporting Person

7,137,748 shares⁽¹⁾

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)  ☐

Percent of Class Represented by Amount in Row 9

8.2%⁽²⁾

Type of Reporting Person (see instructions)

IN

Includes (1) 3,691,252 shares of Class 1 Common Stock held directly by Mr. Groh, (2) 1,776,821 shares of Class 2 Common Stock held directly by Mr. Groh, (3) 19,307 shares of Class 2 Common Stock held directly by Mr. Groh’s spouse, (4) 825,184 shares of Class 2 Common Stock held by a Grantor retained annuity trust for the benefit of Mr. Groh and (5) 825,184 shares of Class 2 Common Stock held by a Grantor retained annuity trust for the benefit of Mr. Groh’s spouse. In addition, each share of Class 1 Common Stock will convert automatically into one share of Class 2 Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the issuer’s amended and restated certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes.

Based on (1) 83,021,590 shares of Class 2 Common Stock that were anticipated to be outstanding as of December 12, 2019, as set forth in the Issuer’s Current Report on Form 8-K filed with the SEC on December 17, 2019 and (2) 3,691,252 shares of Class 1 Common Stock held directly by Mr. Groh.

Address of Principal Business Office or, if none, Residence: The address and principal business office of the Reporting Person is:

2701 Eastlake Ave. E.

Seattle, WA 98102

☐   Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);

☐   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

☐   Insurance company as defined in section 3(a)19) of the Act (15 U.S.C. 78c);

☐   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

☐   An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

☐   An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

☐   A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

☐   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

☐   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

☐   A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);

☐   Group, in accordance with §240.13d–1(b)(1)(ii)(K).

Ownership

Amount Beneficially Owned: See Row 9 of cover page for Reporting Person.

Percent of Class: See Row 11 of cover page for Reporting Person

Number of shares as to which the person has:

Sole power to vote or to direct the vote: See Row 5 of cover page for Reporting Person.

Shared power to vote or to direct the vote: See Row 6 of cover page for Reporting Person.

Sole power to dispose or to direct the disposition of: See Row 7 of cover page for Reporting Person.

Shared power to dispose or to direct the disposition of: See Row 8 of cover page for Reporting Person.

Ownership of 5 Percent or Less of a Class

Ownership of More than 5 Percent on Behalf of Another Person

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Identification and Classification of Members of the Group

Notice of Dissolution of a Group

Certification