Insider trade

Officer sold ~$2.53M of COST shares in the open market

Traded Oct 24, 2025 · Filed Oct 24, 2025

CostcoCOST

~$2.53M
Reported value · 2,700 sh @ $935.68: 6,851.2
Holds after · shares reported: -1.9%
stock since the trade · S&P 500 +12.8%, $932.14 → $914.94 on Oct 1

Why it stands out

Costco's Executive Vice President sold $2.53M of Costco shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 24, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 24, 2025

Officer$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$2,526,336

Shares × reported transaction price

Timing vs results

29 days after results of Sep 25, 2025, 48 days before results of Dec 11, 2025

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $932.14 on Oct 24, 2025, 7% above its 52-week low and 13% below its high, after a 4% drop over the previous 30 trading days

52-week range $874.18 (Oct 31, 2024) to $1,076.86 (Feb 13, 2025), 29% of the way up, from 250 adjusted closes. 30 trading days earlier: $967.90 on Sep 12, 2025. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-0.2%	-0.3%	+0.1%
30 days	-2.3%	-0.8%	-1.5%
90 days	+5.1%	+1.1%	+4.0%
180 days	+7.3%	+4.4%	+3.0%

Past results only. Not a forecast.

Source receipt

Record ID: 0000909832-25-000126
Filed / recorded: Oct 24, 2025, 11:12 PM UTC
Added to OQRO: Oct 2, 2026, 3:52 AM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: COSTCO WHOLESALE CORP /NEW
Issuer CIK: 909832
Ticker: COST
Reporting person: Claudine Adamo
Relationship: Officer
Officer title: Executive Vice President
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 24, 2025
Transaction code: S
Shares / units: 2,700
Price per share: $935.68
Acquired / disposed: Disposed (D)
Shares owned after: 6,851.197
Ownership form: Direct
Amendment: No

Around the same time

11mo ago

Congress trade

$1,001 - $15,000Reported range · official band, not an exact amount

6 different filers disclosed COST within 90 days. Disclosed 32 days after the transaction; reported as an official range, not an exact amount.

Why it stands out Official record

11mo ago

Congress trade

$1,001 - $15,000Reported range · official band, not an exact amount

6 different filers disclosed COST within 90 days. Disclosed 37 days after the transaction; reported as an official range, not an exact amount.

Why it stands out Official record

11mo ago

4,120Shares

Gift or transfer — classified separately from trades.

Why it stands out Official record