Insider Trading Report: September 2026
Every open-market purchase and sale company insiders reported on Form 4 in September 2026: 1,395 purchases worth $2.49B and 3,734 sales worth $14.3B.
Biggest purchases
| Filed | Ticker | Insider | Type | Value | Score |
|---|---|---|---|---|---|
| Sep 21 | LEN | Berkshire Hathaway Inc10% owner | ▲ BUY | $105.6M | 36 |
| Sep 3 | PBLSX | Bluearc Capital Management, LLC10% owner | ▲ BUY | $99.4M | 43 |
| Sep 10 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $90.7M | 25 |
| Sep 8 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $83.2M | 25 |
| Sep 8 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $81.5M | 25 |
| Sep 3 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $73.5M | 25 |
| Sep 14 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $72.4M | 25 |
| Sep 10 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $68.9M | 25 |
| Sep 1 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $66.8M | 25 |
| Sep 30 | KOD | Baker Bros. Advisors LPDirector | ▲ BUY | $60.5M | 36 |
| Sep 30 | KOD | Baker Bros. Advisors LPDirector | ▲ BUY | $58.6M | 36 |
| Sep 14 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $56.9M | 25 |
| Sep 1 | RSG | Cascade Investment, LLC10% owner | ▲ BUY | $55.6M | 25 |
| Sep 21 | LEN | Berkshire Hathaway Inc10% owner | ▲ BUY | $54.9M | 50 |
| Sep 25 | LEN | Berkshire Hathaway Inc10% owner | ▲ BUY | $52.8M | 50 |
Cluster buys
Three or more different insiders buying the same stock in the month.
- TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD · 30 insiders
- BBD BANK BRADESCO · 22 insiders
- SBLK Star Bulk Carriers Corp. · 8 insiders
- RWT REDWOOD TRUST INC · 6 insiders
- WIX Wix.com Ltd. · 6 insiders
- ADRX ADARx Pharmaceuticals, Inc. · 5 insiders
- FUL FULLER H B CO · 5 insiders
- ATCH AtlasClear Holdings, Inc. · 5 insiders
- RGCO RGC RESOURCES INC · 5 insiders
- GAM GENERAL AMERICAN INVESTORS CO INC · 5 insiders
Biggest sales
| Filed | Ticker | Insider | Type | Value |
|---|---|---|---|---|
| Sep 17 | FANG | Sgf Fang Holdings, LP10% owner | ▼ SELL | $1.86B |
| Sep 17 | FANG | Sgf Fang Holdings, LP10% owner | ▼ SELL | $1.86B |
| Sep 14 | INGM | Platinum Equity, LLC10% owner | ▼ SELL | $356.8M |
| Sep 22 | NVDA | Mark A. StevensDirector | ▼ SELL | $300.1M |
| Sep 2 | NVDA | Mark A. StevensDirector | ▼ SELL | $268.0M |
| Sep 25 | AVGO | Henry SamueliDirector | ▼ SELL10b5-1 | $250.0M |
| Sep 15 | LFST | Tpg Gp A, LLC10% owner | ▼ SELL | $226.3M |
| Sep 2 | TPC | Ronald N. TutorDirector | ▼ SELL | $197.7M |
| Sep 17 | AUR | Uber Technologies, Inc10% owner | ▼ SELL | $182.2M |
| Sep 17 | UMC | Chitung LiuCFO | ▼ SELL | $170.8M |
By sector
| Sector | Bought | Sold |
|---|---|---|
| Utilities | $706.1M | $123.4M |
| Industrials | $457.4M | $1.23B |
| Health Care | $356.6M | $1.40B |
| Consumer Discretionary | $323.0M | $365.0M |
| Financials | $211.1M | $995.3M |
| Materials | $85.7M | $274.6M |
| Communication Services | $56.1M | $108.6M |
| Technology | $22.8M | $5.64B |
| Real Estate | $16.2M | $168.5M |
| Consumer Staples | $11.7M | $91.3M |
| Energy | $8.80M | $3.86B |
Examples
- The largest purchase of the month: Berkshire Hathaway Inc (10% owner) bought $105.6M of LENNAR CORP /NEW/.
- At TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, 30 different insiders bought shares in the same month.
About this page
WallStPal explains public SEC filings and congressional stock trade reports in plain English. Nothing is for sale; the site is free and supported by ads.
How to read it
- Form 4
- The form a company insider (officer, director or owner of more than 10%) must file with the SEC within two business days of buying or selling the company's shares.
- 13F
- A quarterly list of U.S. stocks held by an investment manager with more than $100 million, filed within 45 days after each quarter ends.
- STOCK Act
- A 2012 law that requires members of Congress to report stock trades by themselves, a spouse or a dependent child within 45 days.
A real example
In January 2016, when bank stocks were falling, JPMorgan Chase CEO Jamie Dimon bought 500,000 JPMorgan shares with his own money, worth about $26 million. His Form 4 made the purchase public within days, and investors read it as a strong sign of confidence.
Explain it like I'm 13
We read the long, boring forms that grown-ups file with the government and tell you what they say in normal words.
Data from public SEC filings and congressional reports. Information, not investment advice. Check every number against the filing linked on the page.