13D Filing: Sylebra Capital Management and Impinj Inc

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which 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. [   ]

* 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 purposes of
Section 18 of the Securities Exchange Act of 1934 (the 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 Instructions).