# EDGAR Filing Document

**Accession Number:** 0001627436
**File Stem:** 0001627436-23-000002
**Filing Date:** 2023-2
**Character Count:** 8832
**Document Hash:** 02f5221f065d4ede6877e84ed352e46e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001627436-23-000002.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001627436-23-000002

**CONFORMED SUBMISSION TYPE**: 4/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230210

**FILED AS OF DATE**: 20230216

**DATE AS OF CHANGE**: 20230216

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Sylebra Capital Ltd
- **CENTRAL INDEX KEY:** 0001627436
- **STATE OF INCORPORATION:** K3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37824
- **FILM NUMBER:** 23640162

**BUSINESS ADDRESS:**
- **STREET 1:** 28 HENNESSY ROAD, 20TH FLOOR
- **STREET 2:** WAN CHAI
- **CITY:** HONG KONG
- **STATE:** K3
- **ZIP:** 00000
- **BUSINESS PHONE:** 852-2191-2100

**MAIL ADDRESS:**
- **STREET 1:** 28 HENNESSY ROAD, 20TH FLOOR
- **STREET 2:** WAN CHAI
- **CITY:** HONG KONG
- **STATE:** K3
- **ZIP:** 00000

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Sylebra HK Co Ltd
- **DATE OF NAME CHANGE:** 20141209
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gibson Daniel Patrick
- **CENTRAL INDEX KEY:** 0001745725

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37824
- **FILM NUMBER:** 23640161

**MAIL ADDRESS:**
- **STREET 1:** 400 FAIRVIEW AVENUE NORTH, SUITE 1200
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98109
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IMPINJ INC
- **CENTRAL INDEX KEY:** 0001114995
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRONIC COMPONENTS, NEC [3679]
- **IRS NUMBER:** 912041398
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 400 FAIRVIEW AVENUE NORTH
- **STREET 2:** SUITE 1200
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98109
- **BUSINESS PHONE:** 206-517-5300

**MAIL ADDRESS:**
- **STREET 1:** 400 FAIRVIEW AVENUE NORTH
- **STREET 2:** SUITE 1200
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98109

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4/A

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Sylebra Capital Ltd<br><sub>(Last) (First) (Middle)</sub><br>28 HENNESSY ROAD, 20TH FLOOR<br>WAN CHAI<br><sub>(Street)</sub><br>HONG KONG, K3 00000<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-10 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>IMPINJ INC [ PI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gibson Daniel Patrick<br><sub>(Last) (First) (Middle)</sub><br>400 FAIRVIEW AVENUE NORTH, SUITE 1200<br><sub>(Street)</sub><br>SEATTLE, WA 98109<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-10 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>IMPINJ INC [ PI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-02-10 |  | P |  | 39928 | A | $123.37 | 2776316 | I | See Footnoe<sup>(1)(2)</sup> |
| Common Stock | 2022-02-13 |  | P |  | 31769 | A | $126.78 | 2808085 | I | See Footnote<sup>(1)(2)</sup> |
| Common Stock | 2022-02-14 |  | P |  | 40000 | A | $125.57 | 2848085<sup>(3)</sup> | I | See Footnote<sup>(1)(2)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Sylebra Capital Limited (Sylebra HK) is the investment sub-adviser to Sylebra Capital Partners Master Fund, Ltd. (SCPMF), Sylebra Capital Parc Master Fund (PARCMF),Sylebra Capital Menlo Master Fund (MENLO MF), and other advisory clients. Sylebra Capital Management (Sylebra Cayman) is the investment manager and parent of Sylebra HK. Sylebra Cayman owns 100% of the shares of Sylebra HK. Daniel Gibson (Mr. Gibson) owns more than 99% of the shares of Sylebra Cayman. In such capacities, Sylebra HK, Sylebra Cayman and Mr. Gibson may be deemed to share voting and dispositive power over the shares of common stock of the Issuer held by SCP MF, PARCMF, MENLO MF, and other advisory clients

(2) These securities are held by SCP MF, PARC MF, MENLO MF, and other advisory clients. Mr. Gibson is a member of the board of directors of the Issuer. Sylebra HK, Sylebra Cayman and Mr. Gibson disclaim beneficial ownership of these securities, and this report shall not be deemed an admission that Sylebra HK, Sylebra Cayman and Mr. Gibson are the beneficial owners of such securities, except to the extent of their pecuniary interest, if any, therein.

(3) The original Form 4, filed on February 14, 2023, is being amended by this Form 4 amendment solely to correct an administrative error, which misreported the amount of securities beneficially owned following the reported transaction as 2,768,085, when in fact the amount of securities beneficially owned following the reported transaction is 2,848,085.

**Signature:** Matthew Whitehead, COO, CCO, Authorised Signaotry  
**Date:** 2023-02-16

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**