13D Filing: Phase4 Partners Ltd and Albireo Pharma Inc. (ALBO)

CUSIP No. 01345P 106

Schedule 13D

1

NAME OF REPORTING PERSON

Phase4 Ventures III LP

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)

☐

(b)

☒ (joint filers)

3

SEC USE ONLY

4

SOURCE OF FUNDS

OO

5

CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)

☐

6

CITIZENSHIP OR PLACE OF ORGANIZATION

England and Wales

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

7

SOLE VOTING POWER

 1,065,447 shares³

8

SHARED VOTING POWER

0 shares

9

SOLE DISPOSITIVE POWER

 1,065,447 shares³

10

SHARED DISPOSITIVE POWER

0 shares

11

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 1,065,447 shares³

12

CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

13

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

9.56%⁴

14

TYPE OF REPORTING PERSON

PN