Weekly recap
Insider trades and Congress trades, week of Sep 28 – Oct 4, 2026
In the week of Sep 28 – Oct 4, 2026, insiders filed 318 open-market purchases worth about $442M and 1,139 open-market sales; the largest purchase was $52.1M of Lennar (LEN) by BERKSHIRE HATHAWAY INC; members of Congress disclosed 8 purchases and 9 sales; 10 purchases stood out against the company's record since 2006.
By filing date, Monday to Sunday. Every line links to its SEC, House or Senate record. Public filings, not investment advice.
Purchases that stand out against 20 years of filings
NIPPON LIFE INSURANCE CO bought ~$25.1M of Corebridge Financial (CRBG)
The largest open-market purchase by any CRBG insider in filings since 2022
Traded Sep 28, 2026, filed Oct 1, 2026 · the filing
BAKER BROS. ADVISORS LP bought ~$20.2M of Kodiak Sciences (KOD)
The first open-market purchase by any KOD insider since Jun 2022
Traded Sep 28, 2026, filed Sep 30, 2026 · the filing
Conifer Management bought ~$10.5M of Group 1 Automotive, Inc. (GPI)
The largest open-market purchase by any GPI insider in filings since 2006
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
Pale Fire Capital SE bought ~$6.75M of Coursera (COUR)
The first open-market purchase by any COUR insider since Apr 2021
Traded Sep 25, 2026, filed Sep 30, 2026 · the filing
Stephen H Rusckowski bought ~$3.48M of Oracle (ORCL)
The largest open-market purchase by any ORCL insider in filings since 2006
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
REALTY ADVISORS INC bought ~$2M of New Concept Energy (GBR)
The first open-market purchase by any GBR insider since Feb 2015
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
WILLIAM P. SCULLY bought ~$1.41M of Prothena Corp Public Ltd (PRTA)
Traded 3 days before PRTA filed an 8-K: changed a top executive or board member (Oct 2, 2026)
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
Damian Miguel Mindlin bought ~$1.16M of Pampa Energy (PAM)
Damian Miguel Mindlin's first open-market purchase of PAM in filings since 2006
Traded Sep 28, 2026, filed Oct 2, 2026 · the filing
Ian Mortimer bought ~$1.12M of Xenon Pharmaceuticals (XENE)
The largest open-market purchase by any XENE insider in filings since 2015
Traded Sep 30, 2026, filed Oct 1, 2026 · the filing
Mink Brook Asset Management LLC bought ~$737K of Dlh Holdings (DLHC)
Mink Brook Asset Management LLC's largest purchase of DLHC in their filings since 2025
Traded Oct 1, 2026, filed Oct 2, 2026 · the filing
Measured against every open-market trade the company's insiders filed since 2006. See all of them on the rare insider trades page.
Largest insider purchases
BERKSHIRE HATHAWAY INC bought ~$52.1M of Lennar (LEN)
Traded Sep 30, 2026, filed Sep 30, 2026 · the filing
NIPPON LIFE INSURANCE CO bought ~$25.1M of Corebridge Financial (CRBG)
The largest open-market purchase by any CRBG insider in filings since 2022
Traded Sep 28, 2026, filed Oct 1, 2026 · the filing
BAKER BROS. ADVISORS LP bought ~$20.2M of Kodiak Sciences (KOD)
The first open-market purchase by any KOD insider since Jun 2022
Traded Sep 28, 2026, filed Sep 30, 2026 · the filing
Ryan Cohen bought ~$17.1M of GameStop (GME)
Traded Oct 2, 2026, filed Oct 3, 2026 · the filing
Conifer Management bought ~$10.5M of Group 1 Automotive, Inc. (GPI)
The largest open-market purchase by any GPI insider in filings since 2006
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
Pale Fire Capital SE bought ~$6.75M of Coursera (COUR)
The first open-market purchase by any COUR insider since Apr 2021
Traded Sep 25, 2026, filed Sep 30, 2026 · the filing
Stephen H Rusckowski bought ~$3.48M of Oracle (ORCL)
The largest open-market purchase by any ORCL insider in filings since 2006
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
JOHN C. MALONE bought ~$2.9M of Liberty Live Holdings (LLYVA)
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
L1 Capital Pty Ltd bought ~$2.45M of Anteris Technologies Global (AVR)
Traded Oct 1, 2026, filed Oct 2, 2026 · the filing
REALTY ADVISORS INC bought ~$2M of New Concept Energy (GBR)
The first open-market purchase by any GBR insider since Feb 2015
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
Gustavo Mariani bought ~$1.96M of Pampa Energy (PAM)
Traded Sep 25, 2026, filed Sep 29, 2026 · the filing
James L Robo bought ~$1.91M of Kayne Anderson Bdc (KBDC)
Traded Sep 28, 2026, filed Sep 30, 2026 · the filing
Largest insider sales
TCO GROUP HOLDINGS sold ~$92.5M of Innovage Holding (INNV)
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
IGNITE AGGREGATOR LP sold ~$92.5M of Innovage Holding (INNV)
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
Sytse Sijbrandij sold ~$40.9M of Gitlab (GTLB)
Traded Sep 24, 2026, filed Sep 28, 2026 · the filing
Wajid Ali sold ~$25.7M of Lumentum (LITE)
Wajid Ali's largest sale of LITE in their filings since 2019
Traded Oct 1, 2026, filed Oct 3, 2026 · the filing
Ajit Jain sold ~$20M of Berkshire Hathaway (BRK.B)
Ajit Jain's largest sale of BRK.B in their filings since 2018
Traded Sep 28, 2026, filed Sep 29, 2026 · the filing
Michael Sentonas sold ~$16.4M of CrowdStrike (CRWD)
Michael Sentonas's largest sale of CRWD in their filings since 2023
Traded Sep 30, 2026, filed Oct 3, 2026 · the filing
Michael Hsing sold ~$14.8M of Monolithic Power Systems (MPWR)
Traded Sep 28, 2026, filed Sep 30, 2026 · the filing
Dhiraj Mallick sold ~$13.4M of Cerebras Systems (CBRS)
Traded Sep 29, 2026, filed Oct 1, 2026 · the filing
Michael L Speiser sold ~$11.7M of Snowflake (SNOW)
Traded Oct 2, 2026, filed Oct 3, 2026 · the filing
George Kurian sold ~$10.5M of NetApp (NTAP)
Traded Sep 29, 2026, filed Oct 2, 2026 · the filing
Congress trades disclosed
- Sen. Sheldon Whitehouse sold JPMorgan Chase (JPM), $15K–$50KTraded Sep 4, 2026, disclosed Oct 1, 2026 · the report
- Sen. Sheldon Whitehouse sold JPMorgan Chase (JPM), $15K–$50KTraded Sep 4, 2026, disclosed Oct 1, 2026 · the report
- Rep. Cleo Fields (LA06) bought Microsoft (MSFT), $1K–$15KTraded Sep 10, 2026, disclosed Oct 1, 2026 · the report
- Rep. Cleo Fields (LA06) bought Microsoft (MSFT), $1K–$15KTraded Sep 10, 2026, disclosed Oct 1, 2026 · the report
- Rep. David J. Taylor (OH02) bought Home Depot (HD), $1K–$15KTraded Sep 22, 2026, disclosed Oct 1, 2026 · the report
- Rep. David J. Taylor (OH02) bought Home Depot (HD), $1K–$15KTraded Sep 22, 2026, disclosed Oct 1, 2026 · the report
- Rep. Cleo Fields (LA06) bought Netflix (NFLX), $1K–$15KTraded Sep 14, 2026, disclosed Oct 1, 2026 · the report
- Rep. David J. Taylor (OH02) bought Amgen (AMGN), $1K–$15KTraded Sep 22, 2026, disclosed Oct 1, 2026 · the report
- Rep. David J. Taylor (OH02) sold Marathon Petroleum (MPC), $1K–$15KTraded Sep 22, 2026, disclosed Oct 1, 2026 · the report
- Rep. David J. Taylor (OH02) sold Marathon Petroleum (MPC), $1K–$15KTraded Sep 22, 2026, disclosed Oct 1, 2026 · the report
Members report a value range, not an exact amount; the trade can be up to 45 days older than its report.
Executives who announced they are leaving
Prothena Corp Public Ltd (PRTA) · Oct 2, 2026
“On October 2, 2026, Chad J. Swanson, Ph.D., Chief Development Officer of Prothena Corporation plc (the “Company”) notified the Company that he is resigning from the Company effective October 9, 2026.” 8-K
Quince Therapeutics (QNCX) · Oct 2, 2026
“On September 30, 2026, each of June Bray, David Lamond and Christopher Senner (collectively, the “ Resigning Directors ”) tendered conditional resignations from the Board of Directors (the “ Board ”) of Quince Therapeutics, Inc. (the “ Company ”), in each case effective as of two business days following the conclusion of the Company’s Special Meeting of Stockholders, which will be held on October 6, 2026 (the “…” 8-K
Better Home & Finance Holding (BETR) · Oct 2, 2026
“On September 28, 2026, Michael Farello resigned from the Board of Directors of Better Home & Finance Holding Company (the “Company”), effective immediately. Mr. Farello’s decision to resign as a director was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.” 8-K
Aveanna Healthcare Holdings (AVAH) · Oct 2, 2026
“On October 1, 2026, Steven E. Rodgers, a Class II director of Aveanna Healthcare Holdings Inc. (the "Company"), notified the Company of his decision to resign from the Company's Board of Directors, effective immediately.” 8-K
Coinbase (COIN) · Oct 2, 2026
“On September 29, 2026, Jennifer Jones, the Chief Accounting Officer and principal accounting officer of Coinbase Global, Inc. (“Coinbase”), notified Coinbase of her decision to retire.” 8-K
First Community Corp /Sc/ (FCCO) · Oct 2, 2026
“As previously reported in the Current Report on Form 8-K filed by First Community Corporation (the “Company”) with the Securities and Exchange Commission (the “SEC”) on July 22, 2026, J. Ted Nissen, Executive Vice President and Chief Banking Officer of the Company and President and Chief Executive Officer of First Community Bank (the “Bank”), will retire from all of his officer positions with, and from the boards of…” 8-K
American Coastal Insurance (ACIC) · Oct 2, 2026
“On October 2, 2026, American Coastal Insurance Corporation (the "Company) announced that Mr. Christopher Griffith has resigned from the position of Chief Operating Officer and Chief Information Officer of the Company effective October 1, 2026, to pursue another opportunity.” 8-K
Greenland Mines (GRML) · Oct 2, 2026
“On September 28, 2026, Jon McGarity resigned as member of Greenland Mines Ltd’s (the “Company”) Board of Directors (the “Board”). Mr. McGarity’s resignation was not as a result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.” 8-K
The company's own words, from the opening sentence of its Form 8-K (Item 5.02).
5% stakes filed (Schedules 13D and 13G)
- Cox Enterprises, Inc. filed an activist stake (13D) of 28.7% in Charter Communications (CHTR)Filed Sep 30, 2026 · SEC
- Cohen Ryan filed an activist stake (13D) of 8.9% in GameStop (GME)Filed Oct 2, 2026 · SEC
- GordonMD Global Investments LP reported a passive stake (13G) of 17.5% in Pyxis Oncology (PYXS)Filed Oct 2, 2026 · SEC
- JPMORGAN CHASE & CO. reported a passive stake (13G) of 11.0% in Burlington Stores (BURL)Filed Oct 2, 2026 · SEC
- Pacifica Capital Investments reported a passive stake (13G) of 10.2% in Build-A-Bear Workshop (BBW)Filed Oct 2, 2026 · SEC
- Divisadero Street Capital Management, LP reported a passive stake (13G) of 6.8% in Axogen (AXGN)Filed Oct 2, 2026 · SEC
- Brave Warrior Advisors, LLC reported a passive stake (13G) of 5.8% in AutoNation (AN)Filed Oct 2, 2026 · SEC
- Private Capital Management, LLC reported a passive stake (13G) of 5.6% in Matthews International Corporation (MATW)Filed Oct 2, 2026 · SEC
Largest federal contract awards
- Amentum (AMTM): $658MSep 28, 2026 · the award
- Booz Allen Hamilton (BAH): $244MSep 30, 2026 · the award
- Accenture (ACN): $180MSep 30, 2026 · the award
- Maximus Inc. (MMS): $173MSep 30, 2026 · the award
- SAIC (SAIC): $149MSep 30, 2026 · the award
See the record behind any of these
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