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US Ecology, Inc.: what insiders have been doing
US Ecology, Inc. is a Energy company. Its directors and officers file their transactions with SEC (Form 4). US Ecology, Inc. has had no insider filing for more than a year; the last one goes back to 3 May 2022.
Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Insider Decl.
36
Thresholds
n/a
Buy Volume
n/a
n/a
Sell Volume
€17M
15 ops. · all time
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Financial data
as of FY 2021FY ended December 2021 · cache
Income statement
RevenueUS$850.7M
Gross profitUS$200.7M24% margin
Net incomeUS$4.6M0.5% margin
Last declaration on 3 May 2022
Declarations36 total
47,533 shares@ US$48.0099.1% of flowCommon StockSEC:0001437749-22-010675:0
9,000 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010686:0
9,800 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010684:0
59,335 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010679:0
10,070 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010680:0
3,800 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010689:0
45,547 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010677:0
2,900 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010687:0
14,305.709 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010682:0
121,927 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010678:0
7,100 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010681:0
14,440 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010685:0
25,544 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010676:0
8,650 shares@ US$48.00100.0% of flowCommon StockSEC:0001437749-22-010683:0
379 shares@ US$31.900.5% of flowCommon StockSEC:0001437749-22-001707:0
337 shares@ US$31.900.4% of flowCommon StockSEC:0001437749-22-001069:0
9,322 shares0Common StockSEC:0001437749-22-000418:0
5,618 shares0Common StockSEC:0001437749-22-000416:0
28,249 shares0Common StockSEC:0001437749-22-000422:0
9,667 shares0Common StockSEC:0001437749-22-000420:0
9,322 shares0Common StockSEC:0001437749-22-000419:0
2,900 shares0Common StockSEC:0001437749-21-013682:0
2,900 shares0Common StockSEC:0001437749-21-013676:0
2,900 shares0Common StockSEC:0001437749-21-013684:0
2,900 shares0Common StockSEC:0001437749-21-013681:0
25 of 36 declarations
About US Ecology, Inc.
US Ecology, Inc. (ticker: ECOL) was a U.S.-based environmental services company that previously traded on the NASDAQ market in the United States before being acquired by Republic Services, with the transaction completed on May 2, 2022. For French, Belgian, and Swiss investors, the key point is that US Ecology is no longer an independent listed issuer, but its legacy remains relevant as a case study in specialty waste and environmental solutions. The company noted that 2022 marked its 70th year of operations, implying a founding in the early 1950s. Its historical headquarters were in Boise, Idaho, United States. ([investor.republicservices.com](https://investor.republicservices.com/news-releases/news-release-details/republic-services-acquire-us-ecology-leading-environmental?utm_source=openai))
Before the acquisition, US Ecology was recognized as a specialized provider of environmental solutions focused on the treatment, recycling, and disposal of hazardous, non-hazardous, and specialty waste. That positioning gave the company a niche role in the industrial services ecosystem, where compliance, environmental permitting, safety standards, and asset intensity create meaningful barriers to entry. Compared with broader waste collection businesses, the specialty-waste segment tends to be more technical and regulation-driven, which can support pricing power and customer stickiness when managed well. ([investor.republicservices.com](https://investor.republicservices.com/news-releases/news-release-details/republic-services-acquire-us-ecology-leading-environmental?utm_source=openai))
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US Ecology’s core business lines included treatment, recycling, transport, and disposal services. Its customer base comprised industrial, commercial, municipal, and remediation-related users with complex waste streams and recurring compliance needs. In practical terms, the company served organizations that required reliable handling of materials that could not be processed through standard municipal channels. This service mix made US Ecology relevant to sectors such as manufacturing, energy, utilities, healthcare, and cleanup/remediation projects. ([investor.republicservices.com](https://investor.republicservices.com/news-releases/news-release-details/republic-services-acquire-us-ecology-leading-environmental?utm_source=openai))
From a competitive standpoint, US Ecology was a notable North American player in the environmental solutions niche, supported by an operating footprint across the United States and Canada. Its strategic value came from a combination of specialized expertise, regulated infrastructure, and the ability to provide integrated solutions across multiple waste streams. That is precisely why Republic Services described the acquisition as a way to broaden its environmental solutions platform and deepen its vertical integration. ([investor.republicservices.com](https://investor.republicservices.com/news-releases/news-release-details/republic-services-acquire-us-ecology-leading-environmental?utm_source=openai))
The most important recent development is the acquisition itself. Republic Services completed the purchase of all outstanding shares of US Ecology for a total announced value of $2.2 billion including debt net of cash acquired, and the company stated that US Ecology stock would be delisted from NASDAQ. Republic also emphasized the deal’s strategic rationale: expanding geographic reach, strengthening specialty waste handling capabilities, and enhancing its broader environmental services offering. For investors, this means ECOL’s standalone equity story ended in 2022, and any current reference to the name is historical rather than an active public-market investment case. ([media.republicservices.com](https://media.republicservices.com/2022-05-02-Republic-Services-Completes-Acquisition-of-US-Ecology?utm_source=openai))
