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.
Impinj, Inc. filings document the formal disclosures of a public RAIN RFID technology company, including operating results, preliminary financial information, non-GAAP reconciliations and risk-factor references tied to its endpoint IC and connectivity platform business.
Material-event reports cover quarterly results, capital-structure disclosures, material agreements and governance changes such as board composition. Proxy materials disclose director elections, executive compensation, equity awards, pay-versus-performance information and other stockholder voting matters relevant to the company’s corporate governance.
Insider Form 4 — Impinj, Inc. (PI) Dr. Chris Diorio, CEO and Director, reported preplanned sales under a Rule 10b5-1 trading plan effective May 28, 2025. The filing discloses a total of 10,000 shares sold across transactions on August 28–29, 2025, in multiple tranches with reported weighted-average prices by tranche ranging approximately from $185.93 to $190.79. After these disposals Dr. Diorio directly beneficially owned 356,109 shares and indirectly owned 199,362 shares through DFT L.L.C. The filing includes explanations that sales were executed pursuant to the 10b5-1 plan and provides price ranges for the individual tranches.
Form 144 filed for Impinj, Inc. (PI) reporting a proposed sale of 39,096 common shares through Charles Schwab with an aggregate market value of $7,341,990.00, intended to be sold on 08/28/2025 on NASDAQ. The shares match equity awards that vested between 02/28/2020 and 01/01/2021, acquired from Impinj, Inc. via performance stock lapse and restricted stock lapse. The filer states there were no sales in the past three months and certifies no undisclosed material adverse information. The notice indicates the sale is being made pursuant to Rule 144.
Cary Baker, Chief Financial Officer of Impinj, Inc. (PI), received a grant of 6,958 restricted stock units (RSUs) on 08/20/2025. Each RSU converts to one share of common stock and was granted at no cash price ($0). Following the grant, the reporting person beneficially owns 6,958 shares directly. The RSUs vest one-fourth on 08/20/2026 and then 1/16th of the grant each quarter thereafter, contingent on continued service. The Form 4 was signed by an attorney-in-fact on 08/21/2025. The filing discloses a routine executive equity award intended for compensation and retention; no cash exercise or sale occurred.
Impinj, Inc. director and Chief Executive Officer received a grant of 15,015 restricted stock units (RSUs), each representing a contingent right to one share of common stock. The award vests over time: one-quarter of the shares vest after one year, with the remaining shares vesting in equal quarterly installments of one-sixteenth each thereafter, subject to continued service. The reported transaction shows the RSUs were granted at a $0 exercise price and are held directly by the reporting person. The grant appears to be standard equity compensation tied to ongoing service and future vesting.
Impinj CFO Cary Baker reported multiple transactions on June 23, 2025, involving the vesting of Restricted Stock Units (RSUs) and related tax withholding:
- Acquired 781 shares from 2022 RSU grant (1/16th vesting)
- Acquired 479 shares from 2023 RSU grant (1/16th vesting)
- Acquired 596 shares from 2024 RSU grant (1/16th vesting)
- Disposed of 732 shares at $106.34 per share for tax withholding
Following these transactions, Baker directly owns 80,354 shares of common stock and retains 12,261 unvested RSUs (2,344 from 2022 grant, 3,354 from 2023 grant, and 6,563 from 2024 grant). The transactions were executed under Rule 16b-3(e) for tax obligation satisfaction.
Impinj CEO Chris Diorio reported multiple transactions related to Restricted Stock Units (RSUs) on June 23, 2025. The transactions included:
- Acquisition of 5,633 shares through the vesting of RSUs (2,593 + 1,223 + 1,817 shares)
- Disposition of 2,218 shares at $106.34 per share to satisfy tax withholding obligations
Following these transactions, Diorio directly owns 366,109 shares and indirectly owns 199,362 shares through DFT LLC. The RSUs were granted in three separate awards: 41,500 units in March 2022, 19,580 units in March 2023, and 29,075 units in March 2024, each vesting in sixteen quarterly installments. The reported transactions represent the regular vesting of these awards.