Welcome to our dedicated page for Impinj SEC filings (Ticker: PI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Impinj, Inc. (NASDAQ: PI) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures, including current reports on Form 8-K and other key documents filed with the U.S. Securities and Exchange Commission. Impinj operates in semiconductor and related device manufacturing and describes itself as a RAIN RFID provider and Internet of Things pioneer, connecting billions of everyday things to the Internet through its platform.
Impinj’s recent 8-K filings illustrate how the company uses SEC reports to document material events. These include announcements of quarterly financial results, such as second- and third-quarter 2025 earnings, where the company reports revenue, gross margin, net income or loss, adjusted EBITDA, and related non-GAAP reconciliations. Other 8-Ks describe financing activities, including the pricing and issuance of 0% Convertible Senior Notes due 2029 under an indenture, and associated capped call transactions intended to reduce potential dilution upon conversion.
Additional filings cover corporate and operational matters. One 8-K details a lease amendment extending the term of Impinj’s office lease in Seattle, Washington and expanding its premises, while another reports the appointment of a new member to the board of directors. The company also files 8-Ks to furnish press releases about proposed note offerings and other events that may be of interest to investors.
On Stock Titan, users can review these SEC filings alongside AI-powered summaries that explain the key points of each document in accessible language. This includes highlighting terms of convertible notes, lease obligations, and board changes, as well as pointing to where earnings-related information appears in furnished press releases. The page is updated as new filings are posted to EDGAR, helping investors and researchers follow Impinj’s regulatory history, capital structure decisions, and significant corporate developments linked to the PI ticker.
Impinj CFO Cary Baker reported routine equity compensation activity involving restricted stock units and common stock. On March 23, 2026, 1,858 RSUs vested and were converted into the same number of Impinj common shares. In connection with the vesting, 732 common shares were remitted to Impinj to satisfy tax withholding obligations under Rule 16b-3(e). Following these transactions, Baker directly held 89,003 shares of common stock.
Baker also received a new grant of 7,627 RSUs, each representing a right to one share of common stock. One-fourth of the shares subject to this new grant will vest on March 23, 2027, and 1/16 of the shares will vest each quarter thereafter, subject to continued service to Impinj.
Impinj CEO Chris Diorio reported routine equity compensation activity on March 23, 2026. A total of 5,635 restricted stock units, granted in prior years, were exercised into common shares, and 2,218 common shares were remitted to Impinj to cover tax withholding obligations.
Following these transactions, Diorio directly held 390,302 shares of Impinj common stock and indirectly held 199,362 shares through DFT L.L.C. He also received a new grant of 24,806 restricted stock units, with one-fourth vesting on March 23, 2027 and additional portions vesting quarterly thereafter, subject to continued service.
Impinj, Inc. disclosed that it entered into privately negotiated agreements with certain holders of its 1.125% Convertible Notes due 2027 to repurchase for cash approximately $40.2 million in aggregate principal amount. The total repurchase cost, including accrued and unpaid interest, is approximately $47.2 million.
After the repurchases close, approximately $57.3 million aggregate principal amount of these notes will remain outstanding, reducing the company’s future debt obligations under this convertible issue. The transaction is structured as a cash repurchase and is described as a partial repurchase of the notes.
IMPINJ INC chief financial officer Cary Baker reported equity award activity involving company common stock. On the reported date, he acquired 8,508 shares of common stock at no cost through the vesting of previously granted performance-based restricted stock units after corporate performance goals were certified as achieved.
In a related exempt transaction, he disposed of 2,234 shares back to the company at $127.92 per share to cover tax withholding obligations triggered by the vesting. After these transactions, he directly owned 87,877 shares of IMPINJ common stock.
IMPINJ INC chief executive officer Chris Diorio reported equity-award activity involving company common stock. He acquired 21,734 shares at no cost through the vesting of performance restricted stock units that were originally granted on March 23, 2023 after meeting specified performance goals.
To cover tax withholding obligations from this vesting, he disposed of 7,435 shares back to the company at a price of $127.92 per share in an exempt transaction. After these transactions, he held 386,885 shares directly, and 199,362 shares indirectly through DFT L.L.C.
Impinj chief executive officer Chris Diorio reported a bona fide gift of common stock. On February 17, 2026, he transferred 1,836 shares of Impinj common stock at a reported price of $0.00 per share, reflecting a non-cash, charitable-style disposition.
After this gift, Diorio’s directly held common stock position was 372,586 shares. The filing also shows an additional 199,362 shares of common stock held indirectly, listed as owned "by DFT L.L.C.", indicating a separate indirect ownership line associated with him.
Impinj, Inc. provides a RAIN RFID-based IoT platform that wirelessly links everyday items to the cloud. Its endpoint and reader ICs, readers, gateways, tag production systems and nascent software and cloud services have already connected more than 150 billion items across retail, supply chain, healthcare and other industries.
The company emphasizes a “Boundless IoT” vision and depends heavily on endpoint IC revenue, outsourced manufacturing and a concentrated customer base, with three customers representing 61% of 2025 revenue. Key risks include intense competition, wafer and component supply, global trade policy changes and significant convertible debt of $190.0 million due 2029 and $97.5 million due 2027.
Impinj reports strong RAIN market leadership built on 285 issued and allowed U.S. patents, a large partner ecosystem and 457 employees as of December 31, 2025. As of June 30, 2025, its public float was valued at about $2.9 billion, and 30,231,686 common shares were outstanding as of January 30, 2026.
Impinj, Inc. filed a current report to furnish a press release announcing its financial results for the fourth quarter and full year ended December 31, 2025. The press release, titled “Impinj Reports Fourth Quarter and Full Year 2025 Financial Results,” is attached as Exhibit 99.1.
The company specifies that this information, including the exhibit, is being furnished rather than filed, meaning it is not subject to certain liability provisions of the Exchange Act and is not automatically incorporated into other Securities Act or Exchange Act filings.
Impinj, Inc. filed a current report describing that it has released preliminary, unaudited financial information for the fourth quarter ended December 31, 2025. The company shared this early look at revenue and adjusted EBITDA in a press release titled “Impinj Announces Preliminary Fourth-Quarter 2025 Revenue and Adjusted EBITDA Ahead of Participation at 28th Annual Needham Growth Conference,” issued on January 13, 2026 and attached as an exhibit.
The company notes that its actual fourth-quarter 2025 results are still being finalized and that the preliminary figures may differ materially from management’s expectations once the review is complete. The press release and the related information are furnished rather than filed, which means they are not subject to certain Exchange Act liabilities and are not automatically incorporated into other securities law filings.
Impinj Inc director-linked investment entities reported three dispositions of common stock in December 2025. Transactions on 12/11, 12/12 and 12/15/2025 covered 95,345, 50,573 and 134,629 shares, respectively, at prices of $152.87, $146.62 and $150.36.
After the 12/15/2025 transaction, 1,132,152 shares were reported as beneficially owned indirectly. The filing explains that Sylebra Capital entities act as advisers or manager to the funds holding the shares, and together with director Daniel Patrick Gibson they may be deemed to share voting and dispositive power but disclaim beneficial ownership except to any pecuniary interest.