PI · CIK 1114995
What Impinj, Inc. told the SEC could break it.
Impinj is concentrated at both ends of its RFID-chip business. It relies on a small number of customers — inlay and tag makers for its endpoint ICs, plus OEMs and solution providers for reader ICs and gateways — for a large share of revenue, with project-based gateway deployments adding big year-to-year swings. On supply, it is fabless: it sources a significant portion of its wafers from TSMC in Taiwan on a purchase-order basis with no long-term agreement, and outsources manufacturing, test and post-processing to a small set of Asian jurisdictions (Thailand, Malaysia, Taiwan, China), so a foundry, geopolitical or disaster disruption could halt its endpoint-IC supply. That footprint also sits in the path of semiconductor trade policy — Section 232 and 301 tariffs on Chinese chips and August-2025 reciprocal tariffs on Taiwan and others.
3 self-disclosed vulnerabilities, pulled from its own filings — each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Customer concentration
- Reliance on a small number of customersmedium
Impinj relies on a small number of customers (inlay/tag OEMs and ODMs for endpoint ICs; OEMs/ODMs and solution providers via distribution for reader ICs and gateways) for a large share of revenue, and project-based gateway deployments create large year-to-year swings in systems revenue.
“We rely on a small number of customers for a large share of our revenue.”
SEC filing →As of 2026
Regulatory & policy
- Semiconductor tariffs (Section 232/301, China, Taiwan reciprocal)medium
Tariffs hit Impinj from multiple angles: Section 232 semiconductor investigations, a Section 301 tariff on certain Chinese semiconductors (with more due June 2027), and August-2025 reciprocal tariffs on Taiwan, Malaysia, the EU, Japan and Korea; with China a key producer of the goods Impinj's RFID ICs connect, high China tariffs could materially hurt demand.
“a Section 301 tariff has been imposed on certain semiconductors from China, and an additional Section 301 tariff is expected to be added on these products beginning in June 2027. The United States has also implemented higher reciprocal tariffs on goods imported from many other countries and jurisdictions including Taiwan, Malaysia, the European Union, Japan and South Korea, since August 2025.”
Supplier concentration
- TSMC/Taiwan wafer foundry & Asian manufacturing concentrationmedium
Impinj is fabless and sources a significant portion of its wafers from TSMC in Taiwan (purchase-order basis, no long-term agreement) and outsources manufacturing, test and post-processing to a small set of Asian jurisdictions (Thailand, Malaysia, Taiwan, China); a foundry, geopolitical (Taiwan) or natural-disaster disruption would halt its endpoint-IC supply.
“We outsource our manufacturing and production to suppliers in a small number of Asian jurisdictions including Thailand, Malaysia, Taiwan and China.”
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings — including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its suppliers
Taiwan Semiconductor Manufacturing Company Limited (TSMC)
“Taiwan Semiconductor Manufacturing Company Limited, or TSMC, manufactures our endpoint IC wafers primarily in Taiwan and has been our supplier since 2003. We order endpoint IC wafers on a purchase-order basis and do not have a long-term supply agreement with TSMC.”
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