COST Stock: Insider Activity, Filings & Research
Drillr aggregates AI research, SEC filings, earnings signals and alt-data for COST. 11 published articles.
Insider Activity
Over the past 90 days, Costco insiders engaged in net selling of $1.4M across two open-market transactions, with no offsetting purchases. Executive Vice President Adamo Claudine sold $732.2K on 2026-03-11, while Executive Vice President Frates Caton sold $695.1K on 2026-04-01. The insider sentiment score stands at 0/100, reflecting no cluster buying activity or first-buy-in-quarters signals. During this period, the stock declined 5.3%, while institutional 13F positioning showed mixed trends.
Updated Jun 4, 2026 · based on SEC Form 4 filings · not investment advice
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Apr 1, 2026 | Frates Catonofficer: Executive Vice President | Sell | 700 | $993.00 |
| Mar 13, 2026 | MILLERCHIP GARYofficer: Executive Vice President | Tax | 1,154 | $992.23 |
| Mar 11, 2026 | Adamo Claudineofficer: Executive Vice President | Sell | 730 | $1003.02 |
| Jan 23, 2026 | Jones Teresa A.officer: Executive Vice President | Sell | 850 | $986.26 |
| Jan 20, 2026 | DECKER SUSAN Ldirector | Sell | 458 | $955.00 |
| Jan 20, 2026 | Raimondo Gina Mariedirector | Grant | 215 | — |
| Jan 15, 2026 | Klauer James Cofficer: Executive Vice President | Sell | 1,500 | $939.00 |
| Jan 12, 2026 | Miller Russell Dofficer: Sr. Executive Vice President | Sell | 1,500 | $916.32 |
| Dec 31, 2025 | POLIT JAVIERofficer: Executive Vice President | Sell | 558 | $862.89 |
| Dec 31, 2025 | POLIT JAVIERofficer: Executive Vice President | Sell | 2,049 | $867.21 |
| Nov 12, 2025 | Wilcox William Richardofficer: Executive Vice President | Sell | 2,400 | $930.13 |
| Oct 24, 2025 | Sullivan John Christopherofficer: Executive VP | Tax | 573 | $944.68 |
| Oct 24, 2025 | Adamo Claudineofficer: Executive Vice President | Sell | 2,700 | $935.68 |
| Oct 24, 2025 | Vachris Roland Michaeldirector, officer: President and CEO | Grant | 13,834 | — |
| Oct 24, 2025 | Frates Catonofficer: Executive Vice President | Tax | 706 | $944.68 |
Source: COST SEC Form 4 filings, latest Apr 1, 2026. For informational purposes only — not investment advice.
Research
April CPI Spike: XOM and CVX Win as Higher-for-Longer Rates Crush AAL
April's fuel-driven CPI surge signals persistent US inflation, favoring oil majors XOM and CVX with production growth, banks like JPM via NII, while pressuring airlines AAL and rails UNP. Ranked picks prioritize energy exposure at reasonable valuations amid higher-for-longer rates.
XOMCVXJPMCPI Hits 3.3% and Stagflation Fears Return — XOM, CVX, and NEM Top the Defense List
With March CPI surprising at 3.3%, stagflation fears are resurfacing. We analyze six defensive companies across energy, gold, utilities, and consumer staples, finding that Exxon Mobil, Chevron, and Newmont offer the best combination of direct inflation exposure, reasonable valuation, and strong dividends for a stagflationary environment.
XOMCVXNEMStrait of Hormuz Blockade Risk: PG and COST Win While TGT and CAT Face the Squeeze
Potential Strait of Hormuz blockade risks broad inflation, favoring pricing power staples like PG, COST, and WMT while pressuring discretionary TGT and input-heavy CAT/DE. Analysis ranks PG highest conviction amid TTM metrics showing superior margins and growth resilience.
PGWMTTGT$4 Gas Alert: MPC, VLO Surge While Ford and Costco Face the Squeeze
Strait of Hormuz threats fuel $4 gas fears, supercharging refiner margins for MPC and VLO while hitting Ford's truck sales and testing Costco's pricing power. Integrated majors XOM and CVX offer balanced upside amid volatility.
MPCVLOXOMTrump Tariffs Under Fire From 24 States: TGT and NKE Are the Biggest Winners
24 states' tariff challenge could refund duties and cut costs for import-reliant retailers. Target and Nike top the list for exposure and valuation, with Walmart and Costco as resilient plays amid steady growth.
WMTTGTHDStagflation Trade: XOM and NEM Ranked Ahead of GS and NFLX Earnings
Ahead of March PPI and GS/NFLX earnings, stagflation favors XOM, NEM, and COST over vulnerable banks and streamers. Energy and gold lead with strong FCF and margins, while GS faces growth headwinds. Ranked picks emphasize cheap inflation hedges.
TIPGLDXLPUMich Warns Consumers Are Breaking — Why WMT and COST Win While NKE and SBUX Lose
UMich economist flags stretched US consumers amid high prices, driving trade-down to discounters like WMT, COST, TGT while hurting NKE, SBUX. Staples PG holds steady. Ranked picks favor value plays with strong financials.
WMTTGTPGDollar Weakness From Iran Crisis: Why CAT and AAPL Win While COST Loses
The Iran conflict has exposed structural weaknesses in the US dollar's reserve currency status, creating winners and losers among US multinationals. Caterpillar and Apple stand to benefit most from dollar weakness due to their massive international revenue bases, while Costco faces margin pressure from higher import costs. Microsoft and Exxon present more nuanced cases with offsetting factors.
CATAAPLMSFTStagflation Trades Ranked: NEM, XOM, and COST Lead the April 2026 Inflation Hedges
As April 2026 data confirms building US inflation pressures, stagflation favors NEM, XOM, and COST most strongly among hedges like TIP, GLD, and XLU. Gold miner NEM leads with explosive growth, followed by energy titan XOM's value and Costco's resilience. Ranked plays offer clear portfolio tilts.
TIPGLDXOMStagflation Trade 2026: 6 Stocks Built to Win — XOM, NEM, COST Lead
Stagflation trades are gaining traction as inflation sticks and growth slows; energy giants XOM and CVX top the list for cash flow, followed by gold miner NEM, staples PG/COST, and utility NEE. Ranked conviction favors commodity producers with strong balance sheets.
XOMCVXNEM$4 Gas: VLO, MPC, XOM Margin Boom — While Ford and Costco Take the Hit
U.S. gasoline at $4/gallon boosts refiners like VLO, MPC, and XOM via fat margins, while hurting Ford, Booking, and even Costco through curbed spending. Valero tops conviction for pure-play exposure at attractive multiples.
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