Updated from live SEC & congressional filings

When the people who know most are buying, we tell you.

Corporate insiders and members of Congress have to disclose their trades. Almost nobody reads the filings. We do — and we surface the biggest buys here, free.

40
Insider buys tracked
$124.56M
Total insider buying
30
Congress trades

Cluster Buys

2+ insiders · same stock · 90 days

Stocks where several different insiders are buying at once — a stronger signal than any single purchase.

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD logo
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
30 insiders buying
$193K
Oct 7, 2026 – Nov 1, 2026
  • Yuan Lipen · VP$75K
  • Wei Che-Chia · Chairman and CEO$11K
  • Mii Yuh-Jier · EVP and Co-COO$5K
  • Chin Yung-Pei · EVP and Co-COO$5K
  • Hou Yung-Chin · SVP and Deputy Co-COO$5K
  • Zhang Kevin Xiaoqiang · SVP and Deputy Co-COO$5K
  • Fang Shu-Hua · SVP and GC$4K
  • Wu Shien-Yang · SVP$4K
  • Hsu Kuo-Chin · VP$4K
  • Wang Ying-Lang · SVP$4K
  • Yeap Choh Fei · SVP$4K
  • Chang Tzonz-Sheng · SVP$4K
  • Cao Min · VP$4K
  • Lee Chun-Hsien · SVP$4K
  • Yoo Chue-San · VP$4K
  • Lu Lee-Chung · VP$4K
  • Tien Bor-Zen · VP$4K
  • Chuang Juiping · VP$4K
  • Chuang Tzu-Sou · VP$4K
  • Jang Syun-Ming · VP$4K
  • Ku Yao-Ching · VP$4K
  • Lin Chris Horng-Dar · VP and CIO$3K
  • Lin Shyue-Shyh · VP$3K
  • Chen Pei-Hung · VP$3K
  • He Jun · VP$3K
  • Hwang Yuan-Ko · VP$3K
  • Wu Yi-Huang · VP$3K
  • Lu Chin-Sheng · VP$3K
  • Chen Chih-Ho · Controller$2K
  • Huang Jen-Chau · SVP and CFO$2K
HEICO CORP logo
HEI
HEICO CORP
8 insiders buying
$1.40M
Oct 8, 2026
  • MENDELSON VICTOR H · Co-COB and Co-CEO$175K
  • Fine Carol F. · Director$175K
  • CHERUVATATH NANDAKUMAR · Director$175K
  • CULLIGAN THOMAS M · Director$175K
  • SCHRIESHEIM ALAN · Director$175K
  • HENRIQUES ADOLFO · Director$175K
  • Hildebrandt Mark H · Director$175K
  • Neitzel Julie · Director$175K
Rapport Therapeutics, Inc. logo
RAPP
Rapport Therapeutics, Inc.
7 insiders buying
$22.02M
Oct 21, 2026 – Oct 28, 2026
  • HEALY JAMES · Director$20.36M
  • PAUL STEVEN M · Director$974K
  • MARAGANORE JOHN · Director$249K
  • Ignelzi Troy A. · Chief Financial Officer$144K
  • Young Wendy B. · Director$100K
  • Silva Paul M · Director$100K
  • Sanchez Ramiro · Director$98K
See all cluster buys →

Biggest Insider Buys

SEC Form 4 · open-market purchases
TickerValueDate
ARCH Venture Partners IX, LLC
$25.00MNov 4, 2026
ARCH Venture Fund XIII, L.P.
$25.00MNov 4, 2026
NIPPON LIFE INSURANCE CO
$12.59MNov 3, 2026
Pale Fire Capital SE
$11.65MNov 5, 2026
Pale Fire Capital SE
$10.40MNov 4, 2026
Pale Fire Capital SE
$9.40MNov 3, 2026
Novogratz Michael
$6.71MNov 5, 2026
Novogratz Michael
$3.15MNov 5, 2026
Liu Shaoren
$2.09MFeb 27, 2026
Rodriguez Enrique
$2.00MNov 4, 2026
Mindlin Damian Miguel
$1.33MNov 3, 2026
Mindlin Damian Miguel
$1.29MNov 4, 2026
Johnson Timothy Steven
$1.04MNov 4, 2026
FRIES MICHAEL T
$1.03MNov 4, 2026
Byrne Richard J
$998KNov 3, 2026
ORBIMED ADVISORS LLC
$915KNov 5, 2026
GORDON CARL L
$915KNov 5, 2026
ORBIMED ADVISORS LLC
$777KNov 3, 2026
GORDON CARL L
$777KNov 3, 2026
ORBIMED ADVISORS LLC
$767KNov 3, 2026
GORDON CARL L
$767KNov 3, 2026
Ali Wajid
$632KNov 5, 2026
RICE JOHN G
$531KNov 3, 2026
Deck Brian A
$493KNov 3, 2026
Breber Pierre R
$400KNov 4, 2026
Hennigan Thomas M
$381KNov 5, 2026
Gusek Ron
$377KNov 3, 2026
Saba Capital Management, L.P.
$314KNov 4, 2026
Fairbanks Jonathan B.
$293KNov 4, 2026
ORBIMED ADVISORS LLC
$289KNov 4, 2026
GORDON CARL L
$289KNov 4, 2026
Siverling John
$288KNov 4, 2026
NIPPON LIFE INSURANCE CO
$279KNov 3, 2026
ORBIMED ADVISORS LLC
$226KNov 5, 2026
GORDON CARL L
$226KNov 5, 2026
ORBIMED ADVISORS LLC
$192KNov 3, 2026
GORDON CARL L
$192KNov 3, 2026
Ondrof Thomas Gerard
$192KNov 4, 2026
GORDON CARL L
$191KNov 3, 2026
ORBIMED ADVISORS LLC
$191KNov 3, 2026

Congressional Trades

STOCK Act disclosures
MemberTickerType
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Maria Elvira SalazarFL27Buy
Maria Elvira SalazarFL27Buy
Maria Elvira SalazarFL27Sell
Kevin HernOK01Sell
Kevin HernOK01Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Robert E. LattaOH05Buy
Pete SessionsTX17Sell
Michael RulliOH06Sell
Michael RulliOH06Sell
David J. TaylorOH02Sell
David J. TaylorOH02Buy
David J. TaylorOH02Buy
David J. TaylorOH02Sell
David J. TaylorOH02Buy
David J. TaylorOH02Buy
Pete SessionsTX17Sell
Kevin HernOK01Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
Pete SessionsTX17Sell
David J. TaylorOH02Sell
Cleo FieldsLA06Buy

Data sourced from public SEC Form 4 filings and congressional STOCK Act disclosures. For informational purposes only — not investment advice. Insider and congressional buying is one signal among many and does not guarantee future performance.

This Month's Report

The 10 Biggest Insider & Congress Buys — And What They Signal

Our full breakdown of the month's most notable buying, the clusters worth watching, and the names insiders keep coming back to.

Try Premium for 30 Days — $7 →

Free Daily Alerts

Get the biggest insider & congress buys in your inbox — free, every day.