PI Impinj, Inc.

NASDAQ
$176.82

Impinj, Inc. (PI) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with PI's own trailing one-year pace, with 1% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
5
55 transactions
Purchases
$0
0 shares
Sales
$179.8M
1,183,884 shares
Net activity
-$179.8M
purchases less sales

How much of that selling was preplanned? 1% planned / 99% discretionary

10b5-1 plan sales $1.9M 11 transactions · 10,525 shares
Discretionary sales $177.9M 44 transactions · 1,173,359 shares

Largest single sale: $20.2M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Baker Cary CHIEF FINANCIAL OFFICER Sell 10b5-1 1,429 $185.00 $264.4K 88,226 −1.6% of holding
SYLEBRA CAPITAL LLC 2 fills Director Sell 31,210 $127.36 $4.0M 782,943 −3.8% of holding
SYLEBRA CAPITAL LLC 4 fills Director Sell 91,056 $128.94 $11.7M 828,048 −9.9% of holding
SYLEBRA CAPITAL LLC 2 fills Director Sell 47,479 $124.06 $5.9M 876,453 −5.1% of holding
SYLEBRA CAPITAL LLC Director Sell 33,412 $136.84 $4.6M 888,055 −3.6% of holding
SYLEBRA CAPITAL LLC Director Sell 6,313 $139.17 $878.6K 921,467 −0.7% of holding
SYLEBRA CAPITAL LLC Director Sell 38,724 $142.31 $5.5M 927,780 −4% of holding
SYLEBRA CAPITAL LLC Director Sell 7,163 $144.29 $1.0M 966,504 −0.7% of holding
SYLEBRA CAPITAL LLC Director Sell 48,504 $150.78 $7.3M 973,667 −4.7% of holding
SYLEBRA CAPITAL LLC 2 fills Director Sell 36,832 $154.46 $5.7M 1,034,877 −3.4% of holding
SYLEBRA CAPITAL LLC 4 fills Director Sell 62,874 $152.28 $9.6M 1,070,085 −5.5% of holding
SYLEBRA CAPITAL LLC 2 fills Director Sell 72,342 $152.73 $11.0M 1,132,152 −6% of holding
Sell 134,629 $150.36 $20.2M 1,132,152 −10.6% of holding
Sell 50,573 $146.62 $7.4M 1,266,781 −3.8% of holding
Sell 95,345 $152.87 $14.6M 1,317,354 −6.7% of holding
Sell 84,604 $155.49 $13.2M 1,412,699 −5.7% of holding
Sell 40 $160.01 $6.4K 1,497,303 −0% of holding
Sell 2,494 $160.72 $400.8K 1,497,343 −0.2% of holding
Sell 1,373 $161.04 $221.1K 1,499,837 −0.1% of holding
Sell 3,167 $160.59 $508.6K 1,501,210 −0.2% of holding
Sell 41,221 $167.97 $6.9M 1,504,377 −2.7% of holding
Sell 41,874 $168.23 $7.0M 1,545,598 −2.6% of holding
Sell 31,058 $167.02 $5.2M 1,587,472 −1.9% of holding
Sell 22,297 $172.62 $3.8M 1,618,530 −1.4% of holding
Sell 34,556 $171.80 $5.9M 1,640,827 −2.1% of holding
Sell 46,110 $167.73 $7.7M 1,675,383 −2.7% of holding
Sell 31,952 $159.42 $5.1M 1,721,493 −1.8% of holding
Sell 3,046 $155.10 $472.4K 1,753,445 −0.2% of holding
Sell 8,081 $156.32 $1.3M 1,756,491 −0.5% of holding
Sell 3,772 $156.30 $589.6K 1,764,572 −0.2% of holding
Sell 30,000 $155.63 $4.7M 1,768,344 −1.7% of holding
Sell 6,246 $162.16 $1.0M 1,798,344 −0.3% of holding
WASHINGTON MIRON Director Sell 342 $158.94 $54.4K 2,040 −14.4% of holding
Sell 23,157 $171.95 $4.0M 1,804,590 −1.3% of holding
Sell 1,513 $202.01 $305.6K 1,827,747 −0.1% of holding
DIORIO CHRIS PH.D. 5 fills CHIEF EXECUTIVE OFFICER Sell 10b5-1 4,096 $187.63 $768.5K 299,288 −1.4% of holding
DIORIO CHRIS PH.D. 5 fills CHIEF EXECUTIVE OFFICER Sell 10b5-1 5,000 $181.93 $909.6K 305,541 −1.6% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.