Sec Form 13D Filing - VIKING GLOBAL INVESTORS LP @ ARBUTUS BIOPHARMA CORP

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

AMENDMENT NO. 6*

Arbutus Biopharma Corporation

(Name of Issuer)

Common Shares, no par value

(Title of Class of Securities)

03879J100

(CUSIP Number)

Andrew Genser

General Counsel

55 Railroad Avenue

Greenwich, Connecticut 06830

203-863-7050

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

July 10, 2019

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

(Continued on following pages)

(Page 1 of 16 Pages)

* 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 disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 03879J100					13D	Page 2 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Investors LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON PN

CUSIP No. 03879J100					13D	Page 3 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Performance LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON OO

CUSIP No. 03879J100					13D	Page 4 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Equities LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON PN

CUSIP No. 03879J100					13D	Page 5 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Equities II LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON PN


	CUSIP No. 03879J100					13D	Page 6 of 16 Pages
1		NAMES OF REPORTING PERSONS VGE III Portfolio Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3		SEC USE ONLY
4		SOURCE OF FUNDS (see instructions) OO (See Item 3)
5		CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH				7	SOLE VOTING POWER 0
				8	SHARED VOTING POWER 0
				9	SOLE DISPOSITIVE POWER 0
				10	SHARED DISPOSITIVE POWER 0
11			AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12			CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13			PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14			TYPE OF REPORTING PERSON CO

	CUSIP No. 03879J100					13D	Page 6 of 16 Pages
1		NAMES OF REPORTING PERSONS Viking Global Equities Master Ltd.
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3		SEC USE ONLY
4		SOURCE OF FUNDS (see instructions) OO (See Item 3)
5		CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6		CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH				7	SOLE VOTING POWER 0
				8	SHARED VOTING POWER 0
				9	SOLE DISPOSITIVE POWER 0
				10	SHARED DISPOSITIVE POWER 0
11			AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13			PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14			TYPE OF REPORTING PERSON CO

	CUSIP No. 03879J100			13D	Page 7 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Long Fund GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)					☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)				☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON OO

CUSIP No. 03879J100					13D	Page 8 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Long Fund Master Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON CO

CUSIP No. 03879J100					13D	Page 9 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Opportunities GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON OO

CUSIP No. 03879J100					13D	Page 10 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Opportunities Portfolio GP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON OO

CUSIP No. 03879J100					13D	Page 11 of 16 Pages
1	NAMES OF REPORTING PERSONS Viking Global Opportunities Illiquid Investments Sub-Master LP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON PN

CUSIP No. 03879J100					13D	Page 12 of 16 Pages
1	NAMES OF REPORTING PERSONS O. Andreas Halvorsen
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Norway
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7	SOLE VOTING POWER 0
			8	SHARED VOTING POWER 0
			9	SOLE DISPOSITIVE POWER 0
			10	SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON IN

	CUSIP No. 03879J100					13D	Page 13 of 16 Pages
1		NAMES OF REPORTING PERSONS David C. Ott
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3		SEC USE ONLY
4		SOURCE OF FUNDS (see instructions) OO (See Item 3)
5		CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6		CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH				7	SOLE VOTING POWER 0
				8	SHARED VOTING POWER 0
				9	SOLE DISPOSITIVE POWER 0
				10	SHARED DISPOSITIVE POWER 0
11			AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12			CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13			PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14			TYPE OF REPORTING PERSON IN

CUSIP No. 03879J100				13D		Page 14 of 16 Pages
1	NAMES OF REPORTING PERSONS Rose S. Shabet
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (see instructions) OO (See Item 3)
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)						☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			7		SOLE VOTING POWER 0
			8		SHARED VOTING POWER 0
			9		SOLE DISPOSITIVE POWER 0
			10		SHARED DISPOSITIVE POWER 0
11		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
12		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (see instructions)					☐
13		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0%*
14		TYPE OF REPORTING PERSON IN

EXPLANATORY NOTE

Pursuant to Rule 13d-2 of the Securities Exchange Act of 1934, as amended, this Amendment No. 6 to the Schedule 13D amends certain items of the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on June 13, 2016 (the “Schedule 13D”) relating to the Common Shares, no par value (the “Common Shares”), of Arbutus Biopharma Corporation (the “Issuer”). This Amendment No. 6 to the Schedule 13D constitutes an exit filing for the Reporting Persons. Due to changes in the internal governance of Roivant Sciences Ltd. (“Roivant”) relating to Roivant’s dispositive power over the Common Shares, the Reporting Persons are no longer deemed to beneficially own the Common Shares directly owned by Roivant. Roivant’s ownership of the Issuer’s Common Shares remains unchanged and this filing is not being made as a result of the purchase or sale of Common Shares of the Issuer by any party, including the Reporting Persons. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D.

Item 3. Source and Amount of Funds or Other Consideration

The information set forth in the Explanatory Note is hereby incorporated herein by reference.

Item 4. Purpose of Transaction

The information set forth in the Explanatory Note is hereby incorporated herein by reference.

Item 5. Interest in Securities of the Issuer

The information set forth in the Explanatory Note is hereby incorporated herein by reference.

Item 5(a) of the Schedule 13D is hereby amended and restated as follows:

“On July 10, 2019, the board of directors of Roivant adopted changes to Roivant’s internal governance concerning the disposition of the Common Shares and other matters relating to oversight of Roivant’s business and governance. Following the amendments adopted on July 10, 2019, disposition of the Common Shares requires either the approval of a majority of Roivant’s board, including (i) at least two directors meeting certain independence criteria (each, an “Independent Director” and, collectively, the “Independent Directors”) or, (ii) if there is only one Independent Director, that sole Independent Director. Andrew Lo and Patrick Machado are currently Independent Directors of Roivant. However, the vote of a majority of Roivant’s shareholders holding 5% or more of Roivant’s shares (other than Vivek Ramaswamy) may override certain decisions of Roivant’s board of directors, including with respect to dispositions of Common Shares. As a result of these changes, the Reporting Persons and other major shareholders of Roivant no longer have the individual right to veto dispositive decisions of Roivant’s board of directors regarding disposition of the Common Shares, and so have ceased to have beneficial ownership of the Common Shares directly owned by Roivant.”

Item 5(e) of the Schedule 13D is hereby amended and restated as follows:

“On July 10, 2019, each of the Reporting Persons ceased to the beneficial owner of more than five percent of the Common Shares.”

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

The information set forth in the Explanatory Note is hereby incorporated herein by reference.

SIGNATURE

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

Dated: July 12, 2019



	By:/s/ O. Andreas Halvorsen
	By: O. Andreas Halvorsen - individually and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES LP, VIKING GLOBAL EQUITIES II LP, VGE III PORTFOLIO LTD. and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of Viking Global Partners LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP

	By: /s/ David C. Ott
	By: David C. Ott - individually and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES LP, VIKING GLOBAL EQUITIES II LP, VGE III PORTFOLIO LTD. and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of Viking Global Partners LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP
	By: /s/ Rose S. Shabet
	By: Rose S. Shabet - individually and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES LP, VIKING GLOBAL EQUITIES II LP, VGE III PORTFOLIO LTD. and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of Viking Global Partners LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP

Sec Form 13D Filing - VIKING GLOBAL INVESTORS LP filing for ARBUTUS BIOPHARMA CORP (ABUS) - 2019-07-12