Insider Buying

● Updated Aug 14, 2026 SEC Form 4 · 2-day filing window

When a CEO, CFO or director buys their own company's stock on the open market, they're betting their own money. These are the latest insider purchases — 448 across 94 companies. (Routine option grants and tax sales are filtered out.)

Companies with multiple insiders buying

TSM 31 insiders

Taiwan Semiconductor Manufacturing Company Ltd. F S: New S O: Morgan Stanley - E*TRADE #2

Cao Min, Chang Tzonz-Sheng, Chen Chih-Ho, Chen Pei-Hung, Chin Yung-Pei

$1.6M bought

SPG 11 insiders

Simon Property Group, Inc.

Aeppel Glyn, Cicco Martin J, Glasscock Larry C, Jones Nina P, Leibowitz Reuben S

$533,051 bought

FISV 7 insiders

Fiserv, Inc.

DiSimone Harry, Fritz Lance M, Mamilli Wafaa, Nixon Gordon M., Rosman Adam L.

$2.2M bought

KMX 5 insiders

CarMax Inc

Barr Keith, Bensen Peter J, Chawla Sona, ONeil Mark F, Shinder Marcella

$1.3M bought

NCLH 4 insiders

Norwegian Cruise Line Holdings Ltd.

Chidsey John, Cil Jose E., Cohen Jonathan Z, Pagliuca Stephen G

$28.2M bought

BSX 4 insiders

Boston Scientific Corporation

Habiger David C, Ludwig Edward J, Mahoney Michael F, Pegus Cheryl

$9.9M bought

ADSK 4 insiders

Autodesk, Inc.

Anagnost Andrew, Cahill John T, Moorjani Janesh, Smith Stacy J

$2.2M bought

APTV 3 insiders

Aptiv PLC

Clark Kevin P, Mahoney Sean O, Meister Paul M

$8.1M bought

PFE 3 insiders

Pfizer, Inc.

Blaylock Ronald E, Bourla Albert, Buckley Mortimer J

$3.0M bought

HOG 3 insiders

Harley-Davidson, Inc. Common Stock

Littleton Gayle, Nova Daniel J, Starrs Artie

$1.4M bought

TSCO 3 insiders

Tractor Supply Company

Hawaux Andre J, Lawton III Harry A, Morris Edna

$652,394 bought

ELAN 3 insiders

Elanco Animal Health Incorporated

Harrington Michael J, Herendeen Paul, VanHimbergen Robert M

$442,876 bought

BX 2 insiders

Blackstone Inc.

Blackstone Private Multi-Asset Credit & Income Fund, Porat Ruth

$35.1M bought

CDW 2 insiders

CDW Corporation

Leahy Christine A, Nelms David W

$2.5M bought

COR 2 insiders

Cencora, Inc.

Durcan Dermot Mark, Tyler Lauren M

$2.3M bought

ECL 2 insiders

Ecolab Inc.

Clark Benjamin M., Doukeris Michel D

$2.3M bought

ELV 2 insiders

Elevance Health, Inc.

Boudreaux Gail, Peru Ramiro G

$1.4M bought

MELI 2 insiders

MercadoLibre, Inc. - Common Stock

Aguzin Alejandro Nicolas, Melamud Marcelo

$1.2M bought

AMRC 2 insiders

Ameresco, Inc. Class A

Cox Brian C, Sakellaris George P

$1.2M bought

VFC 2 insiders

V.F. Corporation Common Stock

Carucci Richard, Darrell Bracken

$1.0M bought

PODD 2 insiders

Insulet Corporation

Stonesifer Timothy C., Weatherman Elizabeth H

$897,883 bought

YEXT 2 insiders

Yext, Inc.

Englander Daniel J, Waugh Seth H.

$896,128 bought

AHCO 2 insiders

AdaptHealth Corp.

Samet Kenneth A, Wolf Dale B

$394,530 bought

EXE 2 insiders

Expand Energy Corporation

Teunissen Marcel, Wichterich Michael

$368,020 bought

Latest insider purchases

Date	Ticker	Insider	Role	Shares	Value
Aug 12, 2026	PFE	Bourla Albert	Chairman & CEO	38,000	$1.0M
Aug 12, 2026	WES	Forthuber Frederick A.	Director	5,140	$249,907
Aug 12, 2026	BRK-B	O'Sullivan Michael J.	See Remarks	45	$22,979
Aug 12, 2026	BRK-B	O'Sullivan Michael J.	See Remarks	400	$205,008
Aug 12, 2026	BRK-B	O'Sullivan Michael J.	See Remarks	43	$22,085
Aug 12, 2026	ELAN	Harrington Michael J	Director	5,000	$109,100
Aug 12, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$353
Aug 11, 2026	AMRC	Sakellaris George P	Chief Executive Officer	1,000	$25,900
Aug 11, 2026	AME	Stanage Nick L	Director	4,000	$1.0M
Aug 11, 2026	APTV	Mahoney Sean O	Director	4,000	$201,148
Aug 11, 2026	APTV	Mahoney Sean O	Director	6,000	$301,255
Aug 11, 2026	APTV	Mahoney Sean O	Director	1,000	$50,280
Aug 11, 2026	ATO	Ware William James	Director	300	$50,278
Aug 11, 2026	CE	Murray Mark Christopher	SVP - Acetyls	2,153	$98,004
Aug 11, 2026	FMX	Kahn Michael David	Director	2,100	$248,073
Aug 11, 2026	Q	De Bondt Karin	Director	1,000	$138,136
Aug 11, 2026	RSG	Cascade Investment, L.L.C.	10% owner	3,200	$686,951
Aug 11, 2026	RSG	Cascade Investment, L.L.C.	10% owner	21,038	$4.5M
Aug 11, 2026	RSG	Cascade Investment, L.L.C.	10% owner	211,771	$45.8M
Aug 11, 2026	RSG	Cascade Investment, L.L.C.	10% owner	3,991	$866,395
Aug 11, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$353
Aug 11, 2026	CE	Duffie Ashley B	SVP & GC	600	$27,360
Aug 11, 2026	CEG	Crandall Roger W	Director	1,500	$417,931
Aug 11, 2026	HOG	Littleton Gayle	CLO, CCO, CAO & Corp Sec	7,500	$197,850
Aug 11, 2026	MTCH	Schiffman Glenn	Director	3,000	$109,890
Aug 10, 2026	AMRC	Sakellaris George P	Chief Executive Officer	1,000	$25,270
Aug 10, 2026	AMRC	Cox Brian C	Director	39,700	$995,279
Aug 10, 2026	APTV	Clark Kevin P	Chair and CEO	51,190	$2.5M
Aug 10, 2026	HOG	Starrs Artie	President & CEO	10,000	$258,941
Aug 10, 2026	PLNT	Spinelli Stephen JR	Director	10,000	$492,800
Aug 10, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$345
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	4,797	$58,955
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	322	$3,957
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	751	$9,230
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	500	$6,145
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	500	$6,145
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	4,797	$58,955
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	751	$9,230
Aug 10, 2026	BAC	Bank Of America Corp /De/	10% owner	322	$3,957
Aug 10, 2026	BX	Porat Ruth	Director	126	$17,312
Aug 10, 2026	BX	Porat Ruth	Director	245	$33,592
Aug 10, 2026	BX	Porat Ruth	Director	84	$11,541
Aug 10, 2026	RSG	Cascade Investment, L.L.C.	10% owner	88,102	$18.9M
Aug 10, 2026	RSG	Cascade Investment, L.L.C.	10% owner	166,095	$35.7M
Aug 10, 2026	RSG	Cascade Investment, L.L.C.	10% owner	7,467	$1.6M
Aug 7, 2026	AHCO	Wolf Dale B	Director	20,000	$117,200
Aug 7, 2026	ELAN	VanHimbergen Robert M	EVP and CFO	4,200	$96,926
Aug 7, 2026	ELAN	Herendeen Paul	Director	10,000	$236,850
Aug 7, 2026	ET	Perry James Richard	Director	12,359	$250,000
Aug 7, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$353
Aug 7, 2026	TSM	Yeap Choh Fei	SVP	57	$4,179
Aug 7, 2026	TSM	Zhang Kevin Xiaoqiang	SVP and Deputy Co-COO	63	$4,619
Aug 7, 2026	TSM	Yuan Lipen	VP	42	$3,079
Aug 7, 2026	TSM	Wu Yi-Huang	VP	41	$3,006
Aug 7, 2026	TSM	Yoo Chue-San	VP	51	$3,739
Aug 7, 2026	TSM	Mii Yuh-Jier	EVP and Co-COO	72	$5,278
Aug 7, 2026	TSM	Wang Ying-Lang	SVP	55	$4,032
Aug 7, 2026	TSM	Wei Che-Chia	Chairman and CEO	152	$11,143
Aug 7, 2026	TSM	Wu Shien-Yang	SVP	57	$4,179
Aug 7, 2026	TSM	Tien Bor-Zen	VP	42	$3,079
Aug 7, 2026	TSM	Tien Bor-Zen	VP	7	$513
Aug 7, 2026	TSM	Lin Chris Horng-Dar	VP and CIO	49	$3,592
Aug 7, 2026	TSM	Lu Lee-Chung	VP	52	$3,812
Aug 7, 2026	TSM	Lin Shyue-Shyh	VP	47	$3,446
Aug 7, 2026	TSM	Lee Chun-Hsien	SVP	54	$3,959
Aug 7, 2026	TSM	Lu Chin-Sheng	VP	39	$2,859
Aug 7, 2026	TSM	Jang Syun-Ming	VP	50	$3,666
Aug 7, 2026	TSM	Hsu Kuo-Chin	VP	54	$3,959
Aug 7, 2026	TSM	Huang Jen-Chau	SVP and CFO	29	$2,126
Aug 7, 2026	TSM	Hwang Yuan-Ko	VP	40	$2,932
Aug 7, 2026	TSM	Ku Yao-Ching	VP	47	$3,446
Aug 7, 2026	TSM	He Jun	VP	46	$3,372
Aug 7, 2026	TSM	Chuang Tzu-Sou	VP	47	$3,446
Aug 7, 2026	TSM	Hou Yung-Chin	SVP and Deputy Co-COO	63	$4,619
Aug 7, 2026	TSM	Chuang Juiping	VP	49	$3,592
Aug 7, 2026	TSM	Fang Shu-Hua	SVP and GC	57	$4,179
Aug 7, 2026	TSM	Chang Tzonz-Sheng	SVP	54	$3,959
Aug 7, 2026	TSM	Chen Chih-Ho	Controller	33	$2,419
Aug 7, 2026	TSM	Chen Pei-Hung	VP	46	$3,372
Aug 7, 2026	TSM	Cao Min	VP	55	$4,032
Aug 7, 2026	TSM	Chin Yung-Pei	EVP and Co-COO	72	$5,278
Aug 7, 2026	AMRC	Sakellaris George P	Chief Executive Officer	5,000	$129,750
Aug 7, 2026	FISV	Fritz Lance M	Director	10,000	$519,500
Aug 7, 2026	NVR	Oliver George	Director	63	$405,185
Aug 6, 2026	ETR	Ropp Ralph Lewis	Director	1,000	$106,075
Aug 6, 2026	SNY	Sanofi	10% owner	300,000	$5.1M
Aug 6, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$356
Aug 6, 2026	AHCO	Samet Kenneth A	Director	23,500	$149,930
Aug 6, 2026	AHCO	Wolf Dale B	Director	20,000	$127,400
Aug 6, 2026	GS	Goldman Sachs Group Inc	Insider	500,000	$8.5M
Aug 5, 2026	PFE	Blaylock Ronald E	Director	39,231	$998,821
Aug 5, 2026	PFE	Buckley Mortimer J	Director	37,632	$960,369
Aug 5, 2026	APTV	Meister Paul M	Director	105,631	$5.0M
Aug 5, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$386
Aug 5, 2026	BSX	Habiger David C	Director	2,100	$99,937
Aug 5, 2026	GS	Goldman Sachs Group Inc	Insider	85,000	$1.8M
Aug 4, 2026	BG	Mahoney Christopher	Director	1,500	$161,400
Aug 4, 2026	BSX	Habiger David C	Director	140	$6,802
Aug 4, 2026	CSGP	Florance Andrew C	Founder and CEO	83,300	$2.5M
Aug 4, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$404
Aug 4, 2026	TSCO	Morris Edna	Director	1,560	$50,606
Aug 4, 2026	TSCO	Lawton III Harry A	President & CEO	2,655	$84,694
Aug 4, 2026	TSCO	Lawton III Harry A	President & CEO	12,945	$416,829
Aug 4, 2026	WCC	Castillo Daniel J	EVP & GM, EES	960	$351,254
Aug 4, 2026	BAC	Bank Of America Corp /De/	10% owner	1	$10
Aug 4, 2026	BAC	Bank Of America Corp /De/	10% owner	1	$10
Aug 4, 2026	BAC	Bank Of America Corp /De/	10% owner	1	$10
Aug 4, 2026	SITE	Black Doug	CEO	4,000	$407,760
Aug 4, 2026	SITE	Black Doug	CEO	4,000	$408,520
Aug 3, 2026	FMAO	Allen Gregory R	Director	300	$10,341
Aug 3, 2026	BAC	Bank Of America Corp /De/	10% owner	7	$71
Aug 3, 2026	BAC	Bank Of America Corp /De/	10% owner	14	$143
Aug 3, 2026	BAC	Bank Of America Corp /De/	10% owner	10	$102
Aug 3, 2026	BAC	Bank Of America Corp /De/	10% owner	5	$51
Aug 3, 2026	IBKR	Conkling Lori A	Director	25	$2,176
Aug 3, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$393
Aug 3, 2026	TSCO	Hawaux Andre J	Director	3,150	$100,264
Aug 3, 2026	TSM	Tien Bor-Zen	VP	1,000	$73,060
Aug 3, 2026	BSX	Habiger David C	Director	1,042	$50,084
Aug 3, 2026	BSX	Mahoney Michael F	Chairman, President & CEO	186,240	$9.0M
Aug 3, 2026	IR	Satpathy Aurobind	Director	11,538	$1.0M
Jul 31, 2026	BSX	Ludwig Edward J	Director	5,000	$227,400
Jul 31, 2026	CMS	Maddipati Srikanth	EVP/CFO	200	$14,491
Jul 31, 2026	FTAI	Moreno David	President	2,475	$498,143
Jul 31, 2026	HOG	Nova Daniel J	Director	40,000	$982,700
Jul 31, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$400
Jul 31, 2026	VFC	Darrell Bracken	President & Chief Exec Officer	32,894	$492,752
Jul 31, 2026	ARLP	McDaniel Ronna R.	Director	3,000	$78,345
Jul 31, 2026	BG	Mahoney Christopher	Director	5,000	$527,650
Jul 31, 2026	CVNA	Maroone Michael E	Director	21,153	$1.3M
Jul 31, 2026	CVNA	Maroone Michael E	Director	3,847	$240,053
Jul 30, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$389
Jul 29, 2026	NTRS	Moritz Robert Edward Jr.	Director	255	$45,790
Jul 29, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$394
Jul 28, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$393
Jul 28, 2026	TSM	Tien Bor-Zen	VP	10	$3,900
Jul 28, 2026	TSM	Tien Bor-Zen	VP	5	$1,950
Jul 28, 2026	TSM	Tien Bor-Zen	VP	1,000	$67,970
Jul 27, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$409
Jul 24, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$424
Jul 24, 2026	BAC	Bank Of America Corp /De/	10% owner	9	$92
Jul 23, 2026	BX	Blackstone Private Multi-Asset Credit & Income Fund	10% owner	573,614	$15.0M
Jul 23, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$430
Jul 23, 2026	MKC	Conway Michael Aaron	Director	1,100	$55,227
Jul 22, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$427
Jul 21, 2026	TPL	Horizon Kinetics Asset Management Llc	10% owner	1	$413
Jul 21, 2026	TSM	Lin Shyue-Shyh	VP	1,000	$74,130
Jul 21, 2026	TSM	Tien Bor-Zen	VP	1,000	$74,130
Jul 21, 2026	TSM	Tien Bor-Zen	VP	1,000	$73,980
Jul 21, 2026	TSM	Tien Bor-Zen	VP	1,000	$74,440

Source: SEC EDGAR Form 4 filings. Only open-market purchases (transaction code P) are shown — option exercises, grants and tax-withholding sales are excluded. Insider buying is a data signal, not a recommendation, and is not investment advice. Updated Aug 14, 2026.