SECURITIES AND EXCHANGE COMMISSIONSEC FORM 17-C

CURRENT REPORT UNDER SECTION 17
OF THE SECURITIES REGULATION CODE
AND SRC RULE 17.2(c) THEREUNDER

1. Date of Report (Date of earliest event reported)

May 9, 2017

2. SEC Identification Number

A200016575

3. BIR Tax Identification No.

055-695-791

4. Exact name of issuer as specified in its charter

PHILAB HOLDINGS CORP. (formerly Alterra Capital Partners, Inc.)

5. Province, country or other jurisdiction of incorporation

Philippines

6. Industry Classification Code(SEC Use Only)

7. Address of principal office

8th Floor, 1128 38th Avenue, Fort Bonifacio Global City, Taguig City, Metro Manila Postal Code 1634

8. Issuer's telephone number, including area code

(02)5519639

9. Former name or former address, if changed since last report

N/A

10. Securities registered pursuant to Sections 8 and 12 of the SRC or Sections 4 and 8 of the RSA

Title of Each Class	Number of Shares of Common Stock Outstanding and Amount of Debt Outstanding
Common Shares	62,276,060

11. Indicate the item numbers reported herein

Item 9

The Exchange does not warrant and holds no responsibility for the veracity of the facts and representations contained in all corporate disclosures, including financial reports. All data contained herein are prepared and submitted by the disclosing party to the Exchange, and are disseminated solely for purposes of information. Any questions on the data contained herein should be addressed directly to the Corporate Information Officer of the disclosing party.

Philab Holdings Corp.DNA

PSE Disclosure Form 13-1 - Change in Shareholdings of
Directors and Principal Officers References: SRC Rule 23 (SEC Form 23-B) and
Section 13 of the Revised Disclosure Rules

Subject of the Disclosure
Changes in the direct shareholdings of Mr. Hector Thomas A. Navasero, Executive Chairman of Philab Holdings Corp.
Background/Description of the Disclosure
Changes in the direct interests of Mr. Hector Thomas A. Navasero as a result of a share acquisition on 05 May 2017 amounting to 16,600 common shares of the Company at Php6.50 per share.

Name of Person	Hector Thomas A. Navasero
Position/Designation	Executive Chairman

For Equity Securities

Type of Security / Stock Symbol	Date of Transaction	Securities Acquired (A) or Disposed (D)			Ownership Form Direct (D) or Indirect (I)	Nature of Indirect Beneficial Ownership
		Number of Shares	(A) or (D)	Price per Share
Common Shares	May 5, 2017	16,600	A	6.50	D	-

Number of Shares Owned after the Transaction

Direct	1,728,881,712
Indirect	686,248