Capstead Mortgage CORP Stock: price and insider trades · United States · SEC (Form 4)

About Capstead Mortgage CORP

Capstead Mortgage Corp. (ticker: CMO) was a U.S.-listed real estate investment trust historically traded on the NYSE and focused on residential mortgage assets. Before its acquisition, the company was headquartered in Dallas, Texas, and operated as a self-managed REIT designed to generate income from a leveraged portfolio of residential mortgage pass-through securities. Founded in 1985 in Maryland, Capstead was widely regarded as one of the early publicly traded residential mortgage REITs in the United States. ([sec.gov](https://www.sec.gov/Archives/edgar/data/766701/000156459019003896/cmo-10k_20181231.htm?utm_source=openai)) Capstead’s core strategy centered on investing in residential mortgage-backed pass-through securities, especially adjustable-rate mortgage, or ARM, securities issued or guaranteed by U.S. government-sponsored or agency-backed entities such as Fannie Mae, Freddie Mac, and Ginnie Mae. This business model made the company primarily a spread-based, leveraged securities vehicle rather than a traditional property owner or developer. Its earnings power depended on the relationship between asset yields, repo funding costs, hedge effectiveness, and the market value of agency mortgage assets. ([sec.gov](https://www.sec.gov/Archives/edgar/data/766701/000156459019003896/cmo-10k_20181231.htm?utm_source=openai)) From a competitive standpoint, Capstead operated in the specialized mortgage REIT universe, where scale, funding access, and interest-rate risk management are key differentiators. The company’s relatively concentrated portfolio approach, focused on short-duration agency ARM securities, gave it a profile that was often viewed as lower credit-risk than non-agency mortgage strategies, while still leaving it highly exposed to rate volatility and financing conditions. For international investors, CMO was best understood as an income-oriented rate-sensitive vehicle, not a conventional real estate operating company. ([sec.gov](https://www.sec.gov/Archives/edgar/data/766701/000156459019003896/cmo-10k_20181231.htm?utm_source=openai)) The most important recent corporate event was Capstead’s acquisition by Franklin BSP Realty Trust. The merger was announced in 2021 and completed on October 19, 2021, after which Capstead was folded into the combined company, which retained the Franklin BSP Realty Trust name. As a result, CMO is now mainly relevant from a historical, analytical, or SEC-filing perspective, including in the context of Form 4 insider transaction activity that may still be referenced in market datasets. ([sec.gov](https://www.sec.gov/Archives/edgar/data/766701/000119312521301992/d223097dex991.htm?utm_source=openai)) In summary, Capstead Mortgage Corp. was a legacy U.S. mortgage REIT with a long operating history, NYSE listing, Dallas headquarters, and a narrow focus on agency ARM securities. Its story reflects the evolution of the mortgage REIT sector toward larger and more diversified platforms, with the key investment variables being duration, leverage, and funding rather than brick-and-mortar real estate exposure.