TCX · CIK 909494
What Tucows, Inc. told the SEC could break it.
Tucows' disclosures lead with customer concentration: EchoStar is about 11.7% of total revenue and the anchor of its Wavelo segment, and one customer made up 44% of accounts receivable at year-end 2025, so losing that relationship would materially hurt Wavelo and its cash collection. It also flags a large contingent liquidity exposure — a Return Breach and Trigger Event under Ting Fiber's agreement with Generate means a redemption request could make an estimated $204.9 million immediately due — and erosion in its oldest business, with wholesale domains under management down 3.0 million, or roughly 12%, since the end of 2024 as some resellers move domain management in-house.
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
- EchoStar ~11.7% of revenue; one customer 44% of accounts receivablehigh
Tucows is concentrated in one customer, EchoStar (11.7% of total revenue, the anchor of its Wavelo segment), and one customer represented 44% of total accounts receivable at year-end 2025, so loss of that relationship would materially hurt Wavelo and cash collection.
“As of December 31, 2025 , one customer represented 44 % of total accounts receivable. As of December 31, 2024 one customer represented 56 % of total accounts receivable.”
SEC filing →As of 2026
Liquidity & debt
- Generate redemption contingency (~$204.9M) on Ting Fiber preferred equitymedium
Following a Return Breach and Trigger Event under Ting Fiber's Unit Purchase Agreement with Generate, a Redemption Request by Generate would make an estimated $204.9M redemption price (original issue price, unsatisfied preferred return, plus make-whole premium) immediately due — a major contingent liquidity exposure.
“If Ting did receive a Redemption Request from Generate, the redemption price of an estimated $204.9 million would become due under the Unit Purchase Agreement.”
SEC filing →As of 2026
Other disclosures
- Declining domains under management (down 12% YoY)medium
Tucows' core wholesale domain business (OpenSRS, Enom, EPAG, Ascio) saw domains under management fall 3.0 million, or ~12%, since December 31, 2024 — partly as resellers migrate domain management in-house — pressuring its largest, most established revenue base.
“Domains under management has decreased by 3.0 million, or 12.3%, since December 31, 2024.”
SEC filing →As of 2026
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 customers
“During the years ended December 31, 2025 , December 31, 2024 and December 31, 2023 one customer, EchoStar, accounted for 11.7%, 10.7% and 10.7% of revenue.”
Cited →
Its suppliers
Generate Capital
“If Ting did receive a Redemption Request from Generate, the redemption price of an estimated $204.9 million would become due under the Unit Purchase Agreement.”
Cited →
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