Costco Wholesale Corp. /New (COST): what it filed
Regulatory filings for Costco Wholesale Corp. /New (COST), each one linked back to the document it was parsed from, and each score stating the inputs it was built from.
Streams covered here: congressional trade, material corporate event (8-k), planned insider sale (form 144).
Recent filings
2026-11-12 - Planned insider sale (Form 144) - score 67/100
value: $829,065 · approx sale date: 2026-11-12 · role: Officer · seller: George Sarah Catherine
2026-11-12 - Planned insider sale (Form 144) - score 67/100
value: $975,558 · approx sale date: 2026-11-11 · filed: 2026-11-12 · role: Officer · seller: Jones Teresa A.
2026-11-12 - Planned insider sale (Form 144) - score 87/100
value: $2,737,925 · approx sale date: 2026-11-12 · role: Former Officer · seller: Klauer James C
2026-11-10 - Material corporate event (8-K) - score 70/100
items: Departure/appointment of directors or officers; Financial statements and exhibits; Other events
2026-10-16 - Material corporate event (8-K) - score 70/100
items: Departure/appointment of directors or officers; Financial statements and exhibits
2026-10-14 - Congressional trade - score 55/100
amount band usd: $1,001 - $15,000 · asset: ST · days to file: 13 · direction: Sale · district: TX17
2026-10-13 - Congressional trade - score 85/100
amount band usd: $100,001 - $250,000 · asset: ST · days to file: 14 · direction: Sale · district: TX17
2026-10-13 - Planned insider sale (Form 144) - score 87/100
value: $1,054,025 · approx sale date: 2026-10-13 · role: Officer · seller: Wilcox William Richard
2026-09-29 - Planned insider sale (Form 144) - score 67/100
value: $733,328 · approx sale date: 2026-09-29 · role: Officer · seller: Frates Caton
2026-09-29 - Planned insider sale (Form 144) - score 87/100
value: $2,015,046 · approx sale date: 2026-09-29 · role: Officer · seller: Adamo Claudine
2026-07-30 - Congressional trade - score 55/100
amount band usd: $1,001 - $15,000 · asset: ST · direction: Sale · district: GA06
Being straight about what this is
Not advice. This page reports what a public filing says and links to it. It draws no conclusion from that.
Some scores are built on incomplete inputs. Where a filing does not publish every term the formula uses, the record carries inputs_complete: false and the score is still shown. The gap is reported, not filled in with a guess.
Refreshed once a night, and some publishers are slower by nature: congressional trades weekly, institutional holdings quarterly.
Names come from the filing. Where a person is named, that name is a required disclosure field in the public document, and the link above goes to it.
DataSignals Lab publishes data and research. Informational only, not investment advice, not an offer or solicitation. Every figure links back to the official filing so you can verify it yourself.