UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

(Rule 12g-3(a))

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): January 11, 2017

BankGuam Holding Company

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (671) 472-5300

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Item 1.01. ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

On August 8, 2016, the Company requested confidential treatment with the Securities and Exchange Commission for certain portions of a Stock Purchase Agreement dated May 27, 2016 between the Company and David J. John included as Exhibit 10. 01 to the Company’s Form 10-K filed on August 8, 2016. The Company has elected to withdraw the request for confidential treatment, and accordingly is filing the complete non-redacted Stock Purchase Agreement as an Exhibit hereto.

Item 5.02. COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS.

Employment Agreement of Senior Vice President and Chief Financial Officer.

On January 11, 2017, Francisco M. Atalig, the Senior Vice President and Chief Financial Officer, entered into an Employment Agreement with the Company’s subsidiary, Bank of Guam, to continue to act as the Senior Vice President and Chief Financial Officer of the Bank, effective January 1, 2017 to expire December 31, 2021. The Employment Agreement provides for, among other things, the payment of an annual base salary of $201,000 with annual CPI adjustments. The Employment Agreement provides for an incentive bonus equal to 1.00% of the net profits after taxes of the Bank, payable in the capital stock of the Bank or in cash or combination thereof. The incentive bonus shall be reduced by 5% to 100% if the Bank does not meet certain objectives, which are set forth in the Employment Agreement, as measured by return on assets, return on equity, Federal Deposit Insurance Corporation ratings, level of adversely classified assets or the Bank’s efficiency performance. Francisco M. Atalig also receives certain other personal benefits including (a) a group term life insurance policy in the amount of $700,000 maintained by the Bank, and (b) the right to participate in the Bank’s group health insurance, accident insurance and disability insurance plans. Upon disability, Francisco M. Atalig would receive his base salary, adjusted for the CPI increases, together with all incentive bonuses for the remainder of the term of the Employment Agreement. The Employment Agreement also includes a Survivor Income Plan with a death benefit of $1,060,606 and a SERP which pays out for a period of 15 years the amount of $50,000 per annum after 10 years from the date of SERP contract, at the Bank’s sole expense and cost, which benefit is generally made available to the Bank’s executive employees.

Item 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

EXHIBIT LIST