Diamond S Shipping Inc.: management transactions · United States · SEC (Form 4)

About Diamond S Shipping Inc.

Diamond S Shipping Inc. (DSSI) was a U.S.-listed shipping company that traded on the NYSE before being acquired by International Seaways; for investors, it now matters primarily as a historical listed tanker operator and as a former SEC filer, including Form 4 insider-transaction disclosures. DSSI was formed on November 14, 2018 under the laws of the Republic of the Marshall Islands to combine the crude and product tanker businesses contributed through Capital Product Partners L.P. and DSS LP. The company’s common shares began trading on the NYSE on March 28, 2019 under the symbol DSSI. Its corporate life as a standalone public company ended when the merger with International Seaways became effective on July 16, 2021. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1761940/000110465920039594/tm205376-1_10k.htm?utm_source=openai)) Operationally, DSSI described itself as a seaborne transporter of crude oil, refined petroleum products and other products in the international shipping markets. Its business model was centered on owning and operating tanker vessels, with exposure to both crude tankers and product tankers. That meant the company was positioned squarely in a cyclical, macro-sensitive segment of global transport, where earnings are driven by charter rates, fleet utilization, vessel supply, fuel costs, port congestion, and changing environmental regulation. SEC filings around 2020 indicated an operating fleet of 66 vessels with aggregate carrying capacity of roughly five million deadweight tons, consisting of Suezmax and Aframax crude tankers and MR product tankers. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1761940/000110465920039594/tm205376-1_10k.htm?utm_source=openai)) From a competitive standpoint, DSSI was a meaningful public-market participant in energy shipping rather than a pure niche operator. Its scale, asset mix, and exposure to both crude and refined-product markets gave it relevance across several tanker trade lanes and commercial pools. The company also pursued commercial partnerships, including a strategic arrangement with NORDEN to support the commercialization of a large MR product-tanker fleet, underscoring the importance of scale and commercial consolidation in this industry. In a sector where balance-sheet strength and operating efficiency are critical, DSSI’s profile was that of a consolidation candidate as much as a standalone operator. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1761940/000110465920073577/tm2022643d1_ex99-1.htm?utm_source=openai)) Geographically, DSSI had a Marshall Islands legal domicile, with management and operational links to Greenwich, Connecticut, and a business footprint across global shipping routes. For French-speaking investors, the key takeaway is that DSSI was not a consumer-facing U.S. industrial company but a maritime energy-transport platform tied to the global oil trade and listed in the United States on the NYSE. The most important recent corporate event was the completed merger with International Seaways in 2021, which eliminated DSSI as an independent public equity. As a result, current analysis of DSSI is mainly relevant for historical comparison, sector research, or review of legacy SEC insider transactions rather than for ongoing standalone fundamentals. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1761940/000110465921092877/tm2122378d1_8k.htm?utm_source=openai))