STOCK TITAN

[Form 4] IMPINJ INC Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4

Chris Diorio, Director and Chief Executive Officer of Impinj Inc. (PI), reported sales of common stock effected under a Rule 10b5-1 trading plan on September 15-16, 2025. The filing lists ten sell transactions that aggregate to 9,096 shares sold at weighted-average prices for each batch ranging from about $179.26 up to $191.76 as detailed in the form. Following these transactions, the filing shows Mr. Diorio directly beneficially owns 297,013 shares and indirectly owns 199,362 shares through DFT L.L.C.

The form includes explanatory notes that the reported amounts and prices reflect aggregated multiple transactions within specified per-share price ranges and that full per-transaction detail is available on request.

Chris Diorio, Direttore e Amministratore Delegato di Impinj Inc. (PI), ha riportato vendite di azioni ordinarie effettuate secondo un piano di negoziazione Rule 10b5-1 in 15-16 settembre 2025. Il deposito elenca dieci operazioni di vendita che complessivamente ammontano a 9.096 azioni vendute con prezzi medi ponderati per ciascun lotto che vanno approssimativamente da $179,26 a $191,76, come dettagliato nel modulo. Dopo queste operazioni, il deposito mostra che il Signor Diorio detiene direttamente 297.013 azioni e indirettamente 199.362 azioni tramite DFT L.L.C.

Il modulo include note esplicative secondo cui gli importi e i prezzi riportati riflettono transazioni aggregate multiple all'interno di intervalli di prezzo per azione specificati e che i dettagli completi per ogni transazione sono disponibili su richiesta.

Chris Diorio, Director y CEO de Impinj Inc. (PI), informó ventas de acciones comunes efectuadas bajo un plan de negociación conforme a la Regla 10b5-1 en el 15-16 de septiembre de 2025. El archivo presenta diez operaciones de venta que en conjunto suman 9.096 acciones vendidas, con precios medios ponderados por lote que oscilan aproximadamente entre $179,26 y $191,76, tal como se detalla en el formulario. Tras estas operaciones, el archivo indica que el señor Diorio posee directamente 297.013 acciones y de forma indirecta 199.362 acciones a través de DFT L.L.C.

El formulario incluye notas explicativas de que los montos y precios reportados reflejan múltiples transacciones agregadas dentro de rangos de precio por acción especificados y que se puede obtener el detalle completo por transacción a solicitud.

Chris Diorio는 Impinj Inc. (PI)의 이사 및 최고경영자(CEO)로서 Rule 10b5-1 거래 계획에 따라 2025년 9월 15-16일에 시행된 보통주 매도 건을 보고했습니다. 신고서에는 서로 다른 배치의 가중평균가가 9,096주 매도로 합산된 10건의 매도 거래가 나와 있으며, 각 배치의 가격은 약 $179.26에서 $191.76 사이로 제시됩니다. 이후 직·간접적으로 Mr. Diorio는 297,013주를 직접 소유하고 199,362주를 DFT L.L.C.를 통해 간접 소유하고 있습니다.

신고서에는 보고된 금액과 가격이 특정 주가 범위 내의 다수 거래를 합산한 것을 반영한다는 설명적 노트가 포함되어 있으며, 거래별 상세 내역은 요청 시 제공됩니다.

Chris Diorio, Directeur et PDG d'Impinj Inc. (PI), a déclaré des ventes d'actions ordinaires effectuées dans le cadre d'un plan de négociation Rule 10b5-1 les 15-16 septembre 2025. Le dépôt répertorie dix ordres de vente qui s'agrègent à 9 096 actions vendues à des prix moyens pondérés par lot allant d'environ $179,26 à $191,76, comme détaillé dans le formulaire. Suite à ces transactions, le dépôt indique que M. Diorio détient directement 297 013 actions et indirectement 199 362 actions par l'intermédiaire de DFT L.L.C.

Le formulaire inclut des notes explicatives indiquant que les montants et les prix déclarés reflètent des transactions multiples agrégées dans des fourchettes de prix par action spécifiées et que le détail par transaction est disponible sur demande.

Chris Diorio, Director und Chief Executive Officer von Impinj Inc. (PI), meldete Verkäufe von Stammaktien, die im Rahmen eines Rule 10b5-1-Handelsplans am 15.-16. September 2025 durchgeführt wurden. Das Formular listet zehn Verkaufs-transaktionen auf, die sich zu 9.096 Aktien verkauft addieren, mit gewichtet durchschnittlichen Preisen pro Charge von etwa $179,26 bis $191,76, wie im Formular detailliert. Nach diesen Transaktionen besitzt Herr Diorio direkt 297.013 Aktien und indirekt 199.362 Aktien über DFT L.L.C.

Das Formular enthält erläuternde Hinweise, dass die berichteten Beträge und Preise aggregierte mehrere Transaktionen innerhalb festgelegter Preisspannen pro Aktie widerspiegeln und dass vollständige Transaktionsdetails auf Anfrage verfügbar sind.

كريس ديوريو، المدير و< b>الرئيس التنفيذي لشركة Impinj Inc. (PI)؛ أبلغ عن مبيعات لأسهم عادية تمت وفق خطة تداول بموجب القاعدة 10b5-1 في 15-16 سبتمبر 2025. يسرد النموذج عشر صفقات بيع إجمالها 9,096 سهماً مباعة بأسعار متوسطة موزونة لكل دفعة تتراوح تقريباً بين $179.26 و$191.76 كما هو موضح في النموذج. بعد هذه المعاملات، يظهر النموذج أن السيد Diorio يملك مباشرة 297,013 سهماً وبشكل غير مباشر 199,362 سهماً عبر DFT L.L.C.

يتضمن النموذج ملاحظات توضيحية تفيد بأن المبالغ والأسعار المبلغ عنها تعكس تجمعات متعددة من المعاملات ضمن نطاقات سعرية محددة للسهم وأن التفاصيل الكاملة لكل معاملة متاحة عند الطلب.

Chris Diorio,Impinj Inc.(PI)的董事兼 首席执行官,在2025年9月15-16日按Rule 10b5-1交易计划披露的普通股销售。披露表列出十笔销售交易,总计9,096股,每批的加权平均价格区间大致为$179.26$191.76,如表所示。在这些交易之后,披露显示Diorio先生直接持有297,013股,通过DFT L.L.C.间接持有199,362股

表格包含说明性注释,指出报告的金额和价格反映在指定的每股价格区间内的多笔交易的汇总,且可按请求提供每笔交易的完整细节。

Positive
  • Sales executed under a Rule 10b5-1 trading plan, indicating pre-authorized trades rather than opportunistic timing
  • Detailed post-transaction ownership provided: 297,013 shares direct and 199,362 shares indirect
Negative
  • Insider sold 9,096 shares over two days, which may be perceived negatively by some investors despite being pursuant to a 10b5-1 plan
  • Form reports aggregated prices and counts rather than each individual trade price and quantity in the table (per-trade detail available only upon request)

Insights

TL;DR: Insider sales under a pre-existing 10b5-1 plan; no governance red flags shown.

The Form 4 shows the CEO and a director executed multiple sales under a Rule 10b5-1 plan, which is a pre-authorized mechanism commonly used to avoid questions about trading on material nonpublic information. The filing discloses aggregated share counts and weighted-average prices with ranges for each grouped sale and provides direct and indirect post-transaction holdings. There is no indication in this filing of derivative activity, unusual acceleration, or amendments that would suggest atypical governance concerns. Impact is neutral absent other disclosures.

TL;DR: Reported transactions total 9,096 shares sold at prices roughly $179–$192; ownership remains material.

The document details ten sell entries on 9/15–9/16/2025 with weighted-average prices for each aggregated group. Post-sale beneficial ownership is reported as 297,013 shares direct and 199,362 indirect. The disclosure is specific about price ranges and offers to provide per-trade breakdowns on request, which supports transparency for market participants. On the face of this filing the market impact is likely limited and informational.

Chris Diorio, Direttore e Amministratore Delegato di Impinj Inc. (PI), ha riportato vendite di azioni ordinarie effettuate secondo un piano di negoziazione Rule 10b5-1 in 15-16 settembre 2025. Il deposito elenca dieci operazioni di vendita che complessivamente ammontano a 9.096 azioni vendute con prezzi medi ponderati per ciascun lotto che vanno approssimativamente da $179,26 a $191,76, come dettagliato nel modulo. Dopo queste operazioni, il deposito mostra che il Signor Diorio detiene direttamente 297.013 azioni e indirettamente 199.362 azioni tramite DFT L.L.C.

Il modulo include note esplicative secondo cui gli importi e i prezzi riportati riflettono transazioni aggregate multiple all'interno di intervalli di prezzo per azione specificati e che i dettagli completi per ogni transazione sono disponibili su richiesta.

Chris Diorio, Director y CEO de Impinj Inc. (PI), informó ventas de acciones comunes efectuadas bajo un plan de negociación conforme a la Regla 10b5-1 en el 15-16 de septiembre de 2025. El archivo presenta diez operaciones de venta que en conjunto suman 9.096 acciones vendidas, con precios medios ponderados por lote que oscilan aproximadamente entre $179,26 y $191,76, tal como se detalla en el formulario. Tras estas operaciones, el archivo indica que el señor Diorio posee directamente 297.013 acciones y de forma indirecta 199.362 acciones a través de DFT L.L.C.

El formulario incluye notas explicativas de que los montos y precios reportados reflejan múltiples transacciones agregadas dentro de rangos de precio por acción especificados y que se puede obtener el detalle completo por transacción a solicitud.

Chris Diorio는 Impinj Inc. (PI)의 이사 및 최고경영자(CEO)로서 Rule 10b5-1 거래 계획에 따라 2025년 9월 15-16일에 시행된 보통주 매도 건을 보고했습니다. 신고서에는 서로 다른 배치의 가중평균가가 9,096주 매도로 합산된 10건의 매도 거래가 나와 있으며, 각 배치의 가격은 약 $179.26에서 $191.76 사이로 제시됩니다. 이후 직·간접적으로 Mr. Diorio는 297,013주를 직접 소유하고 199,362주를 DFT L.L.C.를 통해 간접 소유하고 있습니다.

신고서에는 보고된 금액과 가격이 특정 주가 범위 내의 다수 거래를 합산한 것을 반영한다는 설명적 노트가 포함되어 있으며, 거래별 상세 내역은 요청 시 제공됩니다.

Chris Diorio, Directeur et PDG d'Impinj Inc. (PI), a déclaré des ventes d'actions ordinaires effectuées dans le cadre d'un plan de négociation Rule 10b5-1 les 15-16 septembre 2025. Le dépôt répertorie dix ordres de vente qui s'agrègent à 9 096 actions vendues à des prix moyens pondérés par lot allant d'environ $179,26 à $191,76, comme détaillé dans le formulaire. Suite à ces transactions, le dépôt indique que M. Diorio détient directement 297 013 actions et indirectement 199 362 actions par l'intermédiaire de DFT L.L.C.

Le formulaire inclut des notes explicatives indiquant que les montants et les prix déclarés reflètent des transactions multiples agrégées dans des fourchettes de prix par action spécifiées et que le détail par transaction est disponible sur demande.

Chris Diorio, Director und Chief Executive Officer von Impinj Inc. (PI), meldete Verkäufe von Stammaktien, die im Rahmen eines Rule 10b5-1-Handelsplans am 15.-16. September 2025 durchgeführt wurden. Das Formular listet zehn Verkaufs-transaktionen auf, die sich zu 9.096 Aktien verkauft addieren, mit gewichtet durchschnittlichen Preisen pro Charge von etwa $179,26 bis $191,76, wie im Formular detailliert. Nach diesen Transaktionen besitzt Herr Diorio direkt 297.013 Aktien und indirekt 199.362 Aktien über DFT L.L.C.

Das Formular enthält erläuternde Hinweise, dass die berichteten Beträge und Preise aggregierte mehrere Transaktionen innerhalb festgelegter Preisspannen pro Aktie widerspiegeln und dass vollständige Transaktionsdetails auf Anfrage verfügbar sind.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
DIORIO CHRIS PH.D.

(Last) (First) (Middle)
400 FAIRVIEW AVENUE NORTH
SUITE 1200

(Street)
SEATTLE WA 98109

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
IMPINJ INC [ PI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CHIEF EXECUTIVE OFFICER
3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/15/2025 S(1) 568 D $179.2576(2) 305,541 D
Common Stock 09/15/2025 S(1) 467 D $180.6502(3) 305,074 D
Common Stock 09/15/2025 S(1) 1,909 D $181.8397(4) 303,165 D
Common Stock 09/15/2025 S(1) 1,260 D $182.7683(5) 301,905 D
Common Stock 09/15/2025 S(1) 796 D $183.4741(6) 301,109 D
Common Stock 09/16/2025 S(1) 1,821 D $186.4275(7) 299,288 D
Common Stock 09/16/2025 S(1) 1,073 D $187.5226(8) 298,215 D
Common Stock 09/16/2025 S(1) 850 D $189.2122(9) 297,365 D
Common Stock 09/16/2025 S(1) 340 D $190.2559(10) 297,025 D
Common Stock 09/16/2025 S(1) 12 D $191.7567(11) 297,013 D
Common Stock 199,362 I by DFT L.L.C.
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The sales reported by Dr. Diorio were effected pursuant to a Rule 10b5-1 trading plan effective on May 28, 2025.
2. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $179.00 to $179.665, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
3. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $180.235 to $180.85, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
4. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $181.24 to $182.21, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
5. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $182.30 to $183.245, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
6. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $183.30 to $183.88, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
7. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $186.045 to $186.8101, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
8. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $187.335 to $188.00, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
9. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $188.82 to $189.615, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
10. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $190.0001 to $190.545, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
11. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $191.61 to $191.77, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.
/s/ Yukio Morikubo, Attorney in fact for Chris Diorio 09/16/2025
** Signature of Reporting Person Date
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.

FAQ

What did Impinj (PI) CEO Chris Diorio report on Form 4?

The filing reports that Chris Diorio sold 9,096 shares of Impinj common stock on September 15-16, 2025 under a Rule 10b5-1 trading plan and now directly owns 297,013 shares.

Were the sales by Chris Diorio part of a pre-arranged plan?

Yes. The Form 4 explicitly states the sales were effected pursuant to a Rule 10b5-1 trading plan effective May 28, 2025.

What price ranges are disclosed for the sales?

The filing discloses aggregated weighted-average prices per grouped sale and specifies per-trade price ranges for each group, with prices in the ranges approximately from $179.00 up to $191.77 per share.

How much does Chris Diorio beneficially own after these transactions?

After the reported transactions, the Form 4 shows 297,013 shares owned directly and 199,362 shares owned indirectly through DFT L.L.C.

Does the Form 4 show any derivative transactions by the reporting person?

No. Table II for derivative securities contains no entries; only non-derivative common stock sales are reported.
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