Dennis Washington

Dennis Washington (born 1934) is an American businessman based in Montana with an estimated net worth of ~$7.8B. His SEC filing footprint shows activity tied to public-company ownership disclosures, including filings associated with Atlas Corp. and Seaspan Corp. Wikidata SEC EDGAR.

Business & SEC Activity

SEC EDGAR lists Dennis R. Washington (CIK 0001206860) with 38 insider-related filings, with recent filings primarily SC 13D/A amendments (e.g., 2022-11-02, 2022-09-27, 2022-08-05). A Schedule 13D/A is an amended disclosure used when a large shareholder updates information about a significant stake (generally 5% or more) in a public company. The EDGAR entity results also reference companies including Atlas Corp. and Seaspan Corp. SEC EDGAR.

Philanthropy

ProPublica 990 data lists multiple entities named “Washington Foundation,” with combined foundation assets of $10,117,460 and total grants paid of $0 across the records provided. The Washington Foundation (EIN 62-0649477, Nashville, TN) reported $10,117,459 in total assets for tax year 2023, with $0 grants paid, $299,290 in total revenue, and $787,584 in total expenses. Another Washington Foundation (EIN 27-0020275, Manvel, TX) reported $1 in total assets for tax year 2022, with $0 grants paid, $5,158 in total revenue, and $11,217 in total expenses ProPublica 990.

Political Activity

FEC data shows 100 contributions totaling $699,170.53 from 2020-01-31 to 2024-10-29. The party breakdown reported is $8,550 to Democrats, $100,600 to Republicans, and $590,020.53 to PACs/other, with the largest single recipient listed as 34N22, Inc. at $500,000; other top recipients include the Senate Georgia Battleground Fund ($25,000), Graham Victory 2020 ($20,600), NRSC ($19,400), and the Montana Republican State Central Committee ($12,500) FEC.