144
0002003074
XXXXXXXX
LIVE
0001114995
IMPINJ INC
001-37824
400 FAIRVIEW AVENUE NORTH
SUITE 1200
SEATTLE
WA
98109
206-517-5300
SYLEBRA CAPITAL LLC
See Remarks
COMMON STOCK
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
16667
2593985.21
1781677
11/11/2025
NASDAQ
COMMON STOCK
J.P. Morgan Securities LLC
383 Madison
New York
NY
1017
4444
691842.01
1777233
11/11/2025
NASDAQ
COMMON STOCK
BOFA SECURITIES, INC
One Bryant Park
New York
NY
10036
4444
691026.22
1772789
11/11/2025
NASDAQ
COMMON STOCK
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
4445
692252.74
1768344
11/11/2025
NASDAQ
COMMON STOCK
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
2000
312366.80
1766344
11/12/2025
NASDAQ
COMMON STOCK
J.P. Morgan Securities LLC
383 Madison
New York
NY
10179
500
78389.02
1765844
11/12/2025
NASDAQ
COMMON STOCK
BOFA SECURITIES, INC
One Bryant Park
New York
NY
10036
636
99443.99
1765208
11/12/2025
NASDAQ
COMMON STOCK
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
636
99398.14
1764572
11/12/2025
NASDAQ
COMMON STOCK
03/01/2018
Open Market Purchases. Please refer to explanatory notes under the section of Remarks.
Open Market Purchases. Please refer to explanatory notes under the section of Remarks.
N
30000
03/01/2018
DVP - Cash. Please refer to explanatory notes under the section of Remarks.
COMMON STOCK
03/01/2018
Open Market Purchases. Please refer to explanatory notes under the section of Remarks.
Open Market Purchases. Please refer to explanatory notes under the section of Remarks
N
3772
03/01/2018
DVP - Cash. Please refer to explanatory notes under the section of Remarks
N
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
COMMON STOCK
09/10/2025
300000
58873670.10
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
COMMON STOCK
11/03/2025
904
182617.04
J.P. Morgan Securities LLC
383 Madison
New York
NY
10179
COMMON STOCK
11/03/2025
200
40402.00
BofA Securities Inc.
One Bryant Park
New York
NY
10036
COMMON STOCK
11/04/2025
200
40402.00
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
COMMON STOCK
11/03/2025
209
42220.09
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
COMMON STOCK
11/06/2025
13211
2267427.74
J.P. Morgan Securities LLC
383 Madison
New York
NY
10179
COMMON STOCK
11/06/2025
3461
596773.40
BofA Securities Inc.
One Bryant Park
New York
NY
10036
COMMON STOCK
11/06/2025
2943
507286.58
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
COMMON STOCK
11/06/2025
3542
610378.93
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
COMMON STOCK
11/07/2025
2722
441571.55
J.P. Morgan Securities LLC
383 Madison
New York
NY
10179
COMMON STOCK
11/07/2025
1134
183618.95
BofA Securities Inc.
One Bryant Park
New York
NY
10036
COMMON STOCK
11/07/2025
1214
196724.00
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
COMMON STOCK
11/07/2025
1176
190996.15
Morgan Stanley & Co. LLC
1585 Broadway
New York
NY
10036
COMMON STOCK
11/11/2025
16667
2593985.21
J.P. Morgan Securities LLC
383 Madison
New York
NY
10179
COMMON STOCK
11/11/2025
4444
691842.01
BofA Securities Inc.
One Bryant Park
New York
NY
10036
COMMON STOCK
11/11/2025
4444
691026.22
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
COMMON STOCK
11/11/2025
4445
692252.74
Please note that the securities to be sold were acquired fromMar 2018 to Nov 2023 and the date of payment ranged from Mar 2018 to Nov 2023. The reporting person hereby undertakes to provide upon request to the SEC staff or the Issuer full information regarding the number of shares and prices at which the transactions were effected. These securities are held by other advisory clients of the Reporting Person. Daniel Gibson (Mr Gibson) is the sole member andthe CIO of the Reporting Person and is a member of the board of directors of the Issuer. Reporting Person and Mr Gibson disclaim beneficial ownership of thesesecurities, and this report shall not be deemed an admission that Reporting Person and Mr Gibson are the beneficial ownersof such securities, except to the extent of their pecuniary interest, if any, therein.
11/12/2025
Matthew Whitehead