MARKET_TICKER: COST

COSTInsider Trading & SEC Form 4 Analysis

Institutional analysis of internal capital flows based on SEC Form 4 filings.

Executive Sentiment

BEARISH

SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED

Automated_Intelligence_Report :: COST

Algorithmic analysis of recent insider trading activity for COST reveals a bearish posture among the C-suite and board members. Based on the latest SEC Form 4 filings, we have tracked capital events executed by 24 distinct corporate insiders. The aggregate nominal exposure during this reporting cycle reached $61.75M.

Market dynamics show a negative net capital flow of $37.43M when isolating open-market purchases versus open-market sales. The trading volume is heavily weighted towards open-market executions, providing a clearer signal of insider conviction regarding current valuation levels compared to option-based equity grants.

From a microstructural perspective, the most significant liquidity event was a divestment by Klauer James C (Officer/Other), which accounts for a major share of the recent outflow. Continuous monitoring of these Tier-1 actors is essential, as their liquidity decisions often precede material corporate events or reflect an informed, asymmetric perspective on the future performance of COST.

Volume_30D

$61.75M

USD NOMINAL VALUE

Active_Insiders

UNIQUE C-SUITE ENTITIES

Last_Entry

2026.03.12

ISO_8601 FORMAT

INITIALIZING_CHART_ENGINE...

Entity / Timeline	Methodology	Position	Net Value
George Sarah Catherine2026.03.12	ACQUISITION	642.125	$636,482.78
MILLERCHIP GARY2026.03.11	ACQUISITION	1,154.017	$1,145,050.29
Adamo Claudine2026.03.09	DISPOSAL	730	$732,205.33
RAIKES JEFFREY S2026.01.27	ACQUISITION	5,115	$0
Jones Teresa A.2026.01.27	ACQUISITION	300	$0
Jones Teresa A.2026.01.21	DISPOSAL	850	$838,318.2
DECKER SUSAN L2026.01.16	DISPOSAL	458	$437,390
Raimondo Gina Marie2026.01.16	ACQUISITION	215	$0
Klauer James C2026.01.14	DISPOSAL	1,500	$1,408,500
Miller Russell D2026.01.09	DISPOSAL	1,500	$1,374,480
POLIT JAVIER2025.12.30	DISPOSAL	558.305	$481,758.59
POLIT JAVIER2025.12.29	DISPOSAL	2,049	$1,776,903.86
DENMAN KENNETH D2025.12.19	ACQUISITION	325	$0
DECKER SUSAN L2025.12.15	ACQUISITION	2,827	$0
RAIKES JEFFREY S2025.11.10	ACQUISITION	4,120	$0
Wilcox William Richard2025.11.07	DISPOSAL	2,400	$2,232,312
Barbre Tiffany Marie2025.10.24	DISPOSAL	1,239.383	$1,158,352.64
Adamo Claudine2025.10.24	DISPOSAL	2,700	$2,526,336
Barbre Tiffany Marie2025.10.22	ACQUISITION	2,118	$0
Barbre Tiffany Marie2025.10.22	ACQUISITION	113.53	$107,249.52
Barbre Tiffany Marie2025.10.22	ACQUISITION	90.23	$85,238.48
Barbre Tiffany Marie2025.10.22	ACQUISITION	118.56	$112,001.26
Barbre Tiffany Marie2025.10.22	ACQUISITION	135.4	$127,909.67
Barbre Tiffany Marie2025.10.22	ACQUISITION	84.6	$79,919.93
Vachris Roland Michael2025.10.22	ACQUISITION	13,834	$0
Vachris Roland Michael2025.10.22	ACQUISITION	1,493.05	$1,410,454.47
Vachris Roland Michael2025.10.22	ACQUISITION	1,159.75	$1,095,592.63
Sullivan John Christopher2025.10.22	ACQUISITION	4,654	$0
Sullivan John Christopher2025.10.22	ACQUISITION	421.01	$397,719.73
Sullivan John Christopher2025.10.22	ACQUISITION	572.83	$541,141.04
Sullivan John Christopher2025.10.22	ACQUISITION	568.89	$537,419.01
Sullivan John Christopher2025.10.22	ACQUISITION	584.85	$552,496.1
Sullivan John Christopher2025.10.22	ACQUISITION	365.96	$345,715.09
POLIT JAVIER2025.10.22	ACQUISITION	4,219	$0
POLIT JAVIER2025.10.22	ACQUISITION	537.78	$508,030.01
POLIT JAVIER2025.10.22	ACQUISITION	293.89	$277,632.01
POLIT JAVIER2025.10.22	ACQUISITION	336.61	$317,988.73
MILLERCHIP GARY2025.10.22	ACQUISITION	6,268	$0
MILLERCHIP GARY2025.10.22	ACQUISITION	313.05	$295,732.07
MILLERCHIP GARY2025.10.22	ACQUISITION	500.32	$472,642.3
Klauer James C2025.10.22	ACQUISITION	239.95	$226,675.97
Klauer James C2025.10.22	ACQUISITION	190.68	$180,131.58
Klauer James C2025.10.22	ACQUISITION	198.69	$187,698.47
Klauer James C2025.10.22	ACQUISITION	177.06	$167,265.04
Klauer James C2025.10.22	ACQUISITION	110.97	$104,831.14
Frates Caton2025.10.22	ACQUISITION	155.74	$147,124.46
Frates Caton2025.10.22	ACQUISITION	247.66	$233,959.45
Frates Caton2025.10.22	ACQUISITION	758.28	$716,331.95
Frates Caton2025.10.22	ACQUISITION	901.26	$851,402.3
Frates Caton2025.10.22	ACQUISITION	705.75	$666,707.91
Callans Patrick J2025.10.22	ACQUISITION	239.95	$226,675.97
Callans Patrick J2025.10.22	ACQUISITION	191.08	$180,509.45
Callans Patrick J2025.10.22	ACQUISITION	198.69	$187,698.47
Callans Patrick J2025.10.22	ACQUISITION	176.66	$166,887.17
Callans Patrick J2025.10.22	ACQUISITION	110.57	$104,453.27
Adamo Claudine2025.10.22	ACQUISITION	121.78	$115,043.13
Adamo Claudine2025.10.22	ACQUISITION	96.94	$91,577.28
Adamo Claudine2025.10.22	ACQUISITION	198.69	$187,698.47
Adamo Claudine2025.10.22	ACQUISITION	176.66	$166,887.17
Adamo Claudine2025.10.22	ACQUISITION	110.57	$104,453.27
STANTON JOHN W2025.10.22	ACQUISITION	286	$0
Wilderotter Mary Agnes2025.10.22	ACQUISITION	286	$0
RAIKES JEFFREY S2025.10.22	ACQUISITION	286	$0
JEWELL SARAH MR SALLY2025.10.22	ACQUISITION	286	$0
JAMES HAMILTON E2025.10.22	ACQUISITION	286	$0
Foulkes Helena2025.10.22	ACQUISITION	286	$0
DENMAN KENNETH D2025.10.22	ACQUISITION	286	$0
DECKER SUSAN L2025.10.22	ACQUISITION	286	$0
Miller Russell D2025.09.29	DISPOSAL	3,381	$3,093,615
Frates Caton2025.09.29	DISPOSAL	1,540	$1,401,430.8
Miller Russell D2025.09.23	ACQUISITION	2,918	$0
Rubanenko Yoram2025.09.10	ACQUISITION	4,219	$0
Rubanenko Yoram2025.09.10	ACQUISITION	1,745.913	$1,669,599.14
Riel Pierre2025.09.10	ACQUISITION	4,654	$0
Riel Pierre2025.09.10	ACQUISITION	1,608.361	$1,538,059.54
Miller Russell D2025.09.10	ACQUISITION	4,654	$0
Miller Russell D2025.09.10	ACQUISITION	1,735.085	$1,659,244.43
Klauer James C2025.09.10	ACQUISITION	4,219	$0
Klauer James C2025.09.10	ACQUISITION	958.287	$916,400.28
Jones Teresa A.2025.09.10	ACQUISITION	4,219	$0
Jones Teresa A.2025.09.10	ACQUISITION	1,503.321	$1,437,610.84
Frates Caton2025.09.10	ACQUISITION	4,219	$0
Frates Caton2025.09.10	ACQUISITION	1,271.078	$1,215,519.18
Callans Patrick J2025.09.10	ACQUISITION	4,219	$0
Callans Patrick J2025.09.10	ACQUISITION	949.666	$908,156.1
Adamo Claudine2025.09.10	ACQUISITION	4,219	$0
Adamo Claudine2025.09.10	ACQUISITION	949.666	$908,156.1
STANTON JOHN W2025.09.02	ACQUISITION	211	$0
Jones Teresa A.2025.08.20	DISPOSAL	600	$595,230
RAIKES JEFFREY S2025.07.14	ACQUISITION	6,573	$0
Rubanenko Yoram2025.07.14	DISPOSAL	4,000	$3,899,852
DECKER SUSAN L2025.06.18	DISPOSAL	546	$535,080
DECKER SUSAN L2025.06.18	DISPOSAL	1	$978.39
Callans Patrick J2025.06.09	DISPOSAL	3,000	$3,008,298
Riel Pierre2025.06.06	DISPOSAL	2,000	$2,028,294
Klauer James C2025.04.17	DISPOSAL	4,000	$3,924,280
MILLERCHIP GARY2025.03.27	DISPOSAL	1,100	$1,034,006.6
Adamo Claudine2025.03.24	DISPOSAL	900	$830,304
Frates Caton2025.03.18	DISPOSAL	850	$765,212.58
Vachris Roland Michael2025.03.11	DISPOSAL	3,600	$3,351,600

Entity / Timeline	Methodology	Position	Net Value
George Sarah Catherine2026.03.12	ACQUISITION	642.125	$636,482.78
MILLERCHIP GARY2026.03.11	ACQUISITION	1,154.017	$1,145,050.29
Adamo Claudine2026.03.09	DISPOSAL	730	$732,205.33
RAIKES JEFFREY S2026.01.27	ACQUISITION	5,115	$0
Jones Teresa A.2026.01.27	ACQUISITION	300	$0
Jones Teresa A.2026.01.21	DISPOSAL	850	$838,318.2
DECKER SUSAN L2026.01.16	DISPOSAL	458	$437,390
Raimondo Gina Marie2026.01.16	ACQUISITION	215	$0
Klauer James C2026.01.14	DISPOSAL	1,500	$1,408,500
Miller Russell D2026.01.09	DISPOSAL	1,500	$1,374,480
POLIT JAVIER2025.12.30	DISPOSAL	558.305	$481,758.59
POLIT JAVIER2025.12.29	DISPOSAL	2,049	$1,776,903.86
DENMAN KENNETH D2025.12.19	ACQUISITION	325	$0
DECKER SUSAN L2025.12.15	ACQUISITION	2,827	$0
RAIKES JEFFREY S2025.11.10	ACQUISITION	4,120	$0
Wilcox William Richard2025.11.07	DISPOSAL	2,400	$2,232,312
Barbre Tiffany Marie2025.10.24	DISPOSAL	1,239.383	$1,158,352.64
Adamo Claudine2025.10.24	DISPOSAL	2,700	$2,526,336
Barbre Tiffany Marie2025.10.22	ACQUISITION	2,118	$0
Barbre Tiffany Marie2025.10.22	ACQUISITION	113.53	$107,249.52
Barbre Tiffany Marie2025.10.22	ACQUISITION	90.23	$85,238.48
Barbre Tiffany Marie2025.10.22	ACQUISITION	118.56	$112,001.26
Barbre Tiffany Marie2025.10.22	ACQUISITION	135.4	$127,909.67
Barbre Tiffany Marie2025.10.22	ACQUISITION	84.6	$79,919.93
Vachris Roland Michael2025.10.22	ACQUISITION	13,834	$0
Vachris Roland Michael2025.10.22	ACQUISITION	1,493.05	$1,410,454.47
Vachris Roland Michael2025.10.22	ACQUISITION	1,159.75	$1,095,592.63
Sullivan John Christopher2025.10.22	ACQUISITION	4,654	$0
Sullivan John Christopher2025.10.22	ACQUISITION	421.01	$397,719.73
Sullivan John Christopher2025.10.22	ACQUISITION	572.83	$541,141.04
Sullivan John Christopher2025.10.22	ACQUISITION	568.89	$537,419.01
Sullivan John Christopher2025.10.22	ACQUISITION	584.85	$552,496.1
Sullivan John Christopher2025.10.22	ACQUISITION	365.96	$345,715.09
POLIT JAVIER2025.10.22	ACQUISITION	4,219	$0
POLIT JAVIER2025.10.22	ACQUISITION	537.78	$508,030.01
POLIT JAVIER2025.10.22	ACQUISITION	293.89	$277,632.01
POLIT JAVIER2025.10.22	ACQUISITION	336.61	$317,988.73
MILLERCHIP GARY2025.10.22	ACQUISITION	6,268	$0
MILLERCHIP GARY2025.10.22	ACQUISITION	313.05	$295,732.07
MILLERCHIP GARY2025.10.22	ACQUISITION	500.32	$472,642.3
Klauer James C2025.10.22	ACQUISITION	239.95	$226,675.97
Klauer James C2025.10.22	ACQUISITION	190.68	$180,131.58
Klauer James C2025.10.22	ACQUISITION	198.69	$187,698.47
Klauer James C2025.10.22	ACQUISITION	177.06	$167,265.04
Klauer James C2025.10.22	ACQUISITION	110.97	$104,831.14
Frates Caton2025.10.22	ACQUISITION	155.74	$147,124.46
Frates Caton2025.10.22	ACQUISITION	247.66	$233,959.45
Frates Caton2025.10.22	ACQUISITION	758.28	$716,331.95
Frates Caton2025.10.22	ACQUISITION	901.26	$851,402.3
Frates Caton2025.10.22	ACQUISITION	705.75	$666,707.91
Callans Patrick J2025.10.22	ACQUISITION	239.95	$226,675.97
Callans Patrick J2025.10.22	ACQUISITION	191.08	$180,509.45
Callans Patrick J2025.10.22	ACQUISITION	198.69	$187,698.47
Callans Patrick J2025.10.22	ACQUISITION	176.66	$166,887.17
Callans Patrick J2025.10.22	ACQUISITION	110.57	$104,453.27
Adamo Claudine2025.10.22	ACQUISITION	121.78	$115,043.13
Adamo Claudine2025.10.22	ACQUISITION	96.94	$91,577.28
Adamo Claudine2025.10.22	ACQUISITION	198.69	$187,698.47
Adamo Claudine2025.10.22	ACQUISITION	176.66	$166,887.17
Adamo Claudine2025.10.22	ACQUISITION	110.57	$104,453.27
STANTON JOHN W2025.10.22	ACQUISITION	286	$0
Wilderotter Mary Agnes2025.10.22	ACQUISITION	286	$0
RAIKES JEFFREY S2025.10.22	ACQUISITION	286	$0
JEWELL SARAH MR SALLY2025.10.22	ACQUISITION	286	$0
JAMES HAMILTON E2025.10.22	ACQUISITION	286	$0
Foulkes Helena2025.10.22	ACQUISITION	286	$0
DENMAN KENNETH D2025.10.22	ACQUISITION	286	$0
DECKER SUSAN L2025.10.22	ACQUISITION	286	$0
Miller Russell D2025.09.29	DISPOSAL	3,381	$3,093,615
Frates Caton2025.09.29	DISPOSAL	1,540	$1,401,430.8
Miller Russell D2025.09.23	ACQUISITION	2,918	$0
Rubanenko Yoram2025.09.10	ACQUISITION	4,219	$0
Rubanenko Yoram2025.09.10	ACQUISITION	1,745.913	$1,669,599.14
Riel Pierre2025.09.10	ACQUISITION	4,654	$0
Riel Pierre2025.09.10	ACQUISITION	1,608.361	$1,538,059.54
Miller Russell D2025.09.10	ACQUISITION	4,654	$0
Miller Russell D2025.09.10	ACQUISITION	1,735.085	$1,659,244.43
Klauer James C2025.09.10	ACQUISITION	4,219	$0
Klauer James C2025.09.10	ACQUISITION	958.287	$916,400.28
Jones Teresa A.2025.09.10	ACQUISITION	4,219	$0
Jones Teresa A.2025.09.10	ACQUISITION	1,503.321	$1,437,610.84
Frates Caton2025.09.10	ACQUISITION	4,219	$0
Frates Caton2025.09.10	ACQUISITION	1,271.078	$1,215,519.18
Callans Patrick J2025.09.10	ACQUISITION	4,219	$0
Callans Patrick J2025.09.10	ACQUISITION	949.666	$908,156.1
Adamo Claudine2025.09.10	ACQUISITION	4,219	$0
Adamo Claudine2025.09.10	ACQUISITION	949.666	$908,156.1
STANTON JOHN W2025.09.02	ACQUISITION	211	$0
Jones Teresa A.2025.08.20	DISPOSAL	600	$595,230
RAIKES JEFFREY S2025.07.14	ACQUISITION	6,573	$0
Rubanenko Yoram2025.07.14	DISPOSAL	4,000	$3,899,852
DECKER SUSAN L2025.06.18	DISPOSAL	546	$535,080
DECKER SUSAN L2025.06.18	DISPOSAL	1	$978.39
Callans Patrick J2025.06.09	DISPOSAL	3,000	$3,008,298
Riel Pierre2025.06.06	DISPOSAL	2,000	$2,028,294
Klauer James C2025.04.17	DISPOSAL	4,000	$3,924,280
MILLERCHIP GARY2025.03.27	DISPOSAL	1,100	$1,034,006.6
Adamo Claudine2025.03.24	DISPOSAL	900	$830,304
Frates Caton2025.03.18	DISPOSAL	850	$765,212.58
Vachris Roland Michael2025.03.11	DISPOSAL	3,600	$3,351,600

Automated_Queries :: Frequently Asked Questions

>Who is currently buying COST stock?

Our algorithmic tracking of SEC Form 4 filings indicates no significant open-market buying activity by major executives for COST in the recent reporting period.

>Are COST insiders selling their shares?

Yes, we have tracked $37.43M in recent insider liquidations. The most notable recent seller is Klauer James C, who executed the largest single offload.

>What is the overall insider sentiment for COST?

The short-term structural capital flow indicates a BEARISH sentiment, with a net flow of $37.43M generated by 24 active C-Suite entities.

SECTOR_PEERS :: Consumer Defensive

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