Insider Cluster Buys

Companies where three or more insiders bought stock on the open market within the same two weeks. One insider buying is a data point. Several buying at once, independently, is the signal that research has tied to higher abnormal returns. All open-market purchases (Form 4, code P), own money only.

TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LT
30 insiders · $265.8K
Tien Bor-Zen · VP$73.8KSEC ↗
Wei Che-Chia · Chairman and CEO$11.1KSEC ↗
Chin Yung-Pei · EVP and Co-COO$5.3KSEC ↗
Mii Yuh-Jier · EVP and Co-COO$5.3KSEC ↗
Hou Yung-Chin · SVP and Deputy Co-COO$4.6KSEC ↗
Zhang Kevin Xiaoqiang · SVP and Deputy Co-COO$4.6KSEC ↗
Yeap Choh Fei · SVP$4.2KSEC ↗
Fang Shu-Hua · SVP and GC$4.2KSEC ↗
Wu Shien-Yang · SVP$4.2KSEC ↗
Cao Min · VP$4KSEC ↗
Wang Ying-Lang · SVP$4KSEC ↗
Hsu Kuo-Chin · VP$4KSEC ↗
Lee Chun-Hsien · SVP$4KSEC ↗
Chang Tzonz-Sheng · SVP$4KSEC ↗
Lu Lee-Chung · VP$3.8KSEC ↗
Yoo Chue-San · VP$3.7KSEC ↗
Jang Syun-Ming · VP$3.7KSEC ↗
Chuang Juiping · VP$3.6KSEC ↗
Lin Chris Horng-Dar · VP and CIO$3.6KSEC ↗
Lin Shyue-Shyh · VP$3.4KSEC ↗
Chuang Tzu-Sou · VP$3.4KSEC ↗
Ku Yao-Ching · VP$3.4KSEC ↗
Chen Pei-Hung · VP$3.4KSEC ↗
He Jun · VP$3.4KSEC ↗
Yuan Lipen · VP$3.1KSEC ↗
Wu Yi-Huang · VP$3KSEC ↗
Hwang Yuan-Ko · VP$2.9KSEC ↗
Lu Chin-Sheng · VP$2.9KSEC ↗
Chen Chih-Ho · Controller$2.4KSEC ↗
Huang Jen-Chau · SVP and CFO$2.1KSEC ↗
NONE Willow Tree Capital Corp
25 insiders · $78.5M
MSD CAPITAL, L.P. · 10% owner$31MSEC ↗
Abu Dhabi Investment Authority · 10% owner$22.9MSEC ↗
LIBERTY MUTUAL HOLDING Co INC. · 10% owner$13.7MSEC ↗
BANKERS LIFE & CASUALTY CO · 10% owner$5MSEC ↗
Corbin Capital Partners, L.P. · 10% owner$2.5MSEC ↗
Green Joshua Michael · director$1.2MSEC ↗
HERSHEY TRUST CO TRUSTEE IN TRUST FOR MILTON HERSHEY SCHOOL · 10% owner$1.2MSEC ↗
Sarti Jeffrey · Vice President$100KSEC ↗
Korsmo Michelle L. · other$50KSEC ↗
Korn Karen R. · Vice President$45KSEC ↗
Reid Sandra Lynne · Exec VP Corp Communications$7.2KSEC ↗
Ina Gregory M · EVP, Institute & Employee Dev.$7.2KSEC ↗
PAUL JOSEPH R · EVP & CFO$7.2KSEC ↗
Bast Christopher J · Sr VP, Treasurer & Ops Support$7.2KSEC ↗
Delisi Alexander C · Assistant Treasurer$7.2KSEC ↗
COVEY PATRICK M · Chairman, President & CEO$7.2KSEC ↗
Sears Thea R. · Senior VP and Controller$7.2KSEC ↗
SCHOENBERGER ERIKA J. · General Counsel, Sr VP, Secy$7.2KSEC ↗
Davis Anna Christine · Sr VP of Human Resources$7.2KSEC ↗
Repenning Brent R · Exec VP$6.5KSEC ↗
Mirea Alexandra · Assistant Controller$2.6KSEC ↗
Hyland Scott Alan · Senior VP of Marketing$1.3KSEC ↗
Hall Bjorn · Secretary and CCO$1KSEC ↗
Doyle James Edgar · EVP & GM, Canada Operations$914SEC ↗
Booth Richard Whitaker · other$500SEC ↗
N/A USVC Venture Capital Access Fund
11 insiders · $63.2M
TPG GP A, LLC · 10% owner$50MSEC ↗
Manulife (International) Ltd · 10% owner$4MSEC ↗
Manufacturers Life Reinsurance Ltd · 10% owner$4MSEC ↗
Manulife (Singapore) Pte. Ltd. · 10% owner$2MSEC ↗
Calamos Aksia Hedged Strategies Fund (Offshore), Ltd. · 10% owner$1.9MSEC ↗
Semple Christopher James · Chief Executive Officer$500.1KSEC ↗
Smith Matthew Eric · director$250.1KSEC ↗
Bavin Tom · Chief Development Officer$200KSEC ↗
Cochran John · Chief Operating Officer$150KSEC ↗
Petitto Dana E. · See Remarks$150KSEC ↗
Syvertsen Erik · President and CEO$980SEC ↗
BRVE Braveheart Bio, Inc.
7 insiders · $69.4M
Forbion Growth Opportunities Fund III Cooperatief U.A. · 10% owner$64.8MSEC ↗
Viehbacher Christopher · director$1.5MSEC ↗
Murdoch Travis · CEO and President$1.5MSEC ↗
Lubner David Charles · director$1000KSEC ↗
Rickey James Paul · Chief Financial Officer$500KSEC ↗
Malek David I · director$75KSEC ↗
Anderson Michele A. · Chief Development Officer$20KSEC ↗
SCTX Scribe Therapeutics, Inc.
6 insiders · $71.3M
Aghazadeh Behzad · director, 10% owner, other$36.3MSEC ↗
GORDON CARL L · director$15MSEC ↗
ORBIMED ADVISORS LLC · director$15MSEC ↗
AH Bio Fund II, L.P. · 10% owner$5MSEC ↗
Lucas Svetlana · Chief Business Officer$45KSEC ↗
Parrot David · Chief Financial Officer$40KSEC ↗
EWAV East West Ave Acquisition Corp.
6 insiders · $10.9M
Space Summit Capital LLC · other$10.9MSEC ↗
East West Avenue LLC · 10% owner$0SEC ↗
Verjee Irfan · director$0SEC ↗
Parikh Samir · director$0SEC ↗
Kerkaert Thomas John · CFO$0SEC ↗
Huang Maoli · CEO$0SEC ↗
JMKE Jersey Mike's Subs Inc.
6 insiders · $1M
Peterson Stacy · President and COO$345KSEC ↗
ALLEN MICHELE · Chief Financial Officer$299KSEC ↗
SKEHAN ANDREW G · See Remarks$230KSEC ↗
Mercado Betsy · Chief People Officer$93.5KSEC ↗
Whalen James J. · Chief Accounting Officer$57.5KSEC ↗
TRAVIS NIGEL · director, other$24.9KSEC ↗
CAMP Camp4 Therapeutics Corp
5 insiders · $4.9M
5AM Partners VI, LLC · 10% owner$4.9MSEC ↗
Young Richard A · director$27KSEC ↗
Maricich Yuri · Chief Medical Officer$10.8KSEC ↗
Gold Kelly · Chief Financial Officer$10.8KSEC ↗
Mandel-Brehm Josh · Chief Executive Officer$10.8KSEC ↗
GBFH GBank Financial Holdings Inc.
5 insiders · $1.7M
NEWGARD JEFFREY K · President/CEO (GBank)$699KSEC ↗
Griege Charles William Jr. · director$525.7KSEC ↗
Herbst Timothy P · director$215KSEC ↗
NIGRO EDWARD MICHAEL · CEO and Executive Chairman$197.9KSEC ↗
Nigro Todd Anthony · SECRETARY$105.3KSEC ↗
ATTO Attovia Therapeutics, Inc.
4 insiders · $31.8M
Redmile Group, LLC · 10% owner$10.2MSEC ↗
Frazier Life Sciences XI, L.P. · 10% owner$10MSEC ↗
venBio Global Strategic Fund IV, L.P. · 10% owner$6.5MSEC ↗
Sanofi · 10% owner$5.1MSEC ↗
BLSM BlossomHill Therapeutics, Inc.
4 insiders · $5.2M
Chen Bihua · director, 10% owner$5MSEC ↗
Schmid John P. · director$96KSEC ↗
Liptak Vincent Paul · General Counsel$74.7KSEC ↗
Keyes Jason A · Chief Financial Officer$11.2KSEC ↗
ORN Orion Group Holdings Inc
4 insiders · $320.8K
LEDFORD ROBERT · director$192.4KSEC ↗
Vasquez Alison Gaut · EVP AND CFO$50KSEC ↗
Earle Edward Chipman · EVP & GENERAL COUNSEL$49KSEC ↗
Sullivan Mary E · director$29.4KSEC ↗
FUNC FIRST UNITED CORP/MD/
4 insiders · $12.8K
Rodeheaver Carissa Lynn · other$6.4KSEC ↗
Boal Brian R. · director$3.4KSEC ↗
Rush Jason Barry · Chairman, President & CEO$2.9KSEC ↗
Sturm Tonya K. · EVP & CFO$113SEC ↗
BSX BOSTON SCIENTIFIC CORP
3 insiders · $9.4M
Mahoney Michael F · Chairman, President & CEO$9MSEC ↗
LUDWIG EDWARD J · director$227.4KSEC ↗
Habiger David C · director$99.9KSEC ↗
ACI Albertsons Companies, Inc.
3 insiders · $2.5M
Moriarty Thomas M · EVP, M&A and Corporate Affairs$2MSEC ↗
MORRIS SUSAN · Chief Executive Officer$449.9KSEC ↗
MCCOLLAM SHARON · President & CFO$103.3KSEC ↗
CCB COASTAL FINANCIAL CORP
3 insiders · $1.1M
HOVDE STEVEN D · director, 10% owner$658.2KSEC ↗
Sprink Eric M · CEO$444.5KSEC ↗
Adams Christopher D · Executive Chair$13.1KSEC ↗
TSCO TRACTOR SUPPLY CO /DE/
3 insiders · $652.4K
Lawton III Harry A · President & CEO$501.5KSEC ↗
Hawaux Andre J · director$100.3KSEC ↗
MORRIS EDNA · director$50.6KSEC ↗
MKZR MacKenzie Realty Capital, Inc.
3 insiders · $422.8K
FULLER GLEN W · Treasurer$87.6KSEC ↗
PATTERSON CHARLES E. II · General Counsel/Secretary$87.6KSEC ↗
DIXON ROBERT E · CEO/President$87.6KSEC ↗
ASPS ALTISOURCE PORTFOLIO SOLUTIONS S.A.
3 insiders · $317.8K
Benefit Street Partners LLC · 10% owner$288.5KSEC ↗
Shepro William B · Chair and CEO$20.7KSEC ↗
Winkler Matthew T. · director$8.6KSEC ↗
BBBY BED BATH & BEYOND, INC.
3 insiders · $307.5K
LEMONIS MARCUS · EXECUTIVE CHAIRMAN & CEO$202.6KSEC ↗
TABACCO JOSEPH J JR · director$91.4KSEC ↗
Shapiro Robert Jacob · director$13.5KSEC ↗
NNOX Nano-X Imaging Ltd.
3 insiders · $119.4K
Suesskind Dan S · director$46.5KSEC ↗
Meltzer Erez · Chief Executive Officer$33.5KSEC ↗
Kainan Noga · director$29.7KSEC ↗
HCWB HCW Biologics Inc.
3 insiders · $100K
Wong Hing C · Chief Executive Officer$60KSEC ↗
Flowers Lee · SVP of Business Development$20KSEC ↗
GARRETT SCOTT T · director$20KSEC ↗
BYRN Byrna Technologies Inc.
3 insiders · $91.2K
ELMORE LEONARD J · director$46.4KSEC ↗
Reed Chris Lavern · director$29.6KSEC ↗
Hughes Herbert · director$15.2KSEC ↗
TLRY Tilray Brands, Inc.
3 insiders · $69.2K
Merton Carl A · Chief Financial Officer$46.2KSEC ↗
FALTISCHEK DENISE M · Chief Strategy Officer$11.9KSEC ↗
Gendel Mitchell · Global General Counsel$11.1KSEC ↗

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Cluster buying has historically preceded higher abnormal returns than a lone insider purchase (roughly 4–8% over 6–12 months in published studies). Historical, not a promise, and not investment advice. Built live from the SEC Form 4 feed. See also the full buy radar.