Impinj Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -88.86. In total, the insiders bought 324.2K and sold 1.21M PI shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-88.86
Buy 324.2K shares
Sell 1.21M shares
53% Buy Activity
Moderate Positive Correlation
Buy Signal Low Confidence
May 26, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory negative Insider Power Score of -88.86.
  • Partially supported by a positive historical correlation.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Dec 23, 2025
Buy
Common Stock
M-Exempt
Baker Cary
Chief Financial Officer
C-Suite Officer 781
Value: $134.3K
Dec 23, 2025
Sell
Common Stock
F-InKind
Baker Cary
Chief Financial Officer
C-Suite Officer 732
Value: $125.9K
Dec 23, 2025
Buy
Common Stock
M-Exempt
Baker Cary
Chief Financial Officer
C-Suite Officer 479
Value: $82.4K
Dec 23, 2025
Buy
Common Stock
M-Exempt
Baker Cary
Chief Financial Officer
C-Suite Officer 596
Value: $102.5K
Dec 23, 2025
Buy
Restricted Stock Units
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 2 594
Value: $446.1K
Dec 23, 2025
Buy
Restricted Stock Units
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 1 224
Value: $210.5K
Dec 23, 2025
Buy
Restricted Stock Units
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 1 817
Value: $312.5K
Dec 23, 2025
Buy
Common Stock
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 2 594
Value: $446.1K
Dec 23, 2025
Sell
Common Stock
F-InKind
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 2 218
Value: $381.5K
Dec 23, 2025
Buy
Common Stock
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 1 224
Value: $210.5K
Dec 23, 2025
Buy
Common Stock
M-Exempt
Diorio Chris Ph.d.
Chief Executive Officer
CEO / President 1 817
Value: $312.5K
Dec 23, 2025
Buy
Restricted Stock Units
M-Exempt
Baker Cary
Chief Financial Officer
C-Suite Officer 479
Value: $82.4K
Dec 15, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 134 629
Value: $20.2M
Dec 12, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 50 573
Value: $7.42M
Dec 11, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 95 345
Value: $14.6M
Dec 10, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 84 604
Value: $13.2M
Dec 09, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 40
Value: $6K
Dec 08, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 2 494
Value: $400.8K
Dec 05, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 1 373
Value: $221.1K
Dec 04, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 3 167
Value: $508.6K
Dec 03, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 41 221
Value: $6.92M
Dec 02, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 41 874
Value: $7.04M
Dec 01, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 31 058
Value: $5.19M
Nov 28, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 22 297
Value: $3.85M
Nov 26, 2025
Sell
Common Stock
S-Sale
Sylebra Capital Llc
See Footnote
Other 34 556
Value: $5.94M

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT IMPINJ INC
Impinj
Impinj, Inc. operates a cloud connectivity platform in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. Its platform, which comprises multiple product families, wirelessly connects individual items and delivers data about the connected items to business and consumer applications. The company's platform comprises endpoint ICs, a miniature radios-on-a-chip that attaches to a host item and includes a number to identify the item. ...
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