Insider Buying Report: October 2026

Every open-market insider purchase disclosed to the SEC in October 2026, with executive buying kept separate from fund and 10%-owner flows.

Data as of Nov 2 · Source: SEC EDGAR

Executive buying

$378.0M

officers + directors · 643 buys

10%-owner & institutional

$900.4M

funds, PE, IPO/financing

Companies bought

201

by executives

Executives buying

328

distinct individuals

October 2026 in one paragraph

In October 2026, 328 U.S. company officers and directors bought $378.0M of their own stock on the open market, across 201 companies. Separately, 10%-owners and institutions filed $900.4M, largely IPO and financing positions rather than open-market conviction.

As of Nov 2. Source: Tracefour, SEC EDGAR Form 4 filings.

Biggest executive buys · October 2026

  1. 1BBDAlvarez Rubens Aguiar$29.5M
  2. 2GGRYin Chung-Yao$26.5M
  3. 3GMECohen Ryan$21.0M
  4. 4RAPPHEALY JAMES$20.0M
  5. 5GMECohen Ryan$17.1M
  6. 6BORRTroim Tor Olav$11.8M
  7. 7IAMRachlin Evan Lockwood$11.5M
  8. 8PEPPOHLAD ROBERT C$10.8M
  9. 9GGRYin Chung-Yao$8.6M
  10. 10BORRTroim Tor Olav$7.4M

Most-bought by executives · October 2026

  1. 1BBDBANK BRADESCO3 buyers$72.5M
  2. 2BORRBorr Drilling Ltd2 buyers$44.5M
  3. 3GMEGameStop Corp.2 buyers$40.1M
  4. 4GGRGogoro Inc.1 buyer$35.1M
  5. 5BPREBluerock Private Real Estate Fund3 buyers$33.1M
  6. 6PEPPEPSICO INC1 buyer$23.7M
  7. 7RAPPRapport Therapeutics, Inc.7 buyers$22.0M
  8. 8LRNStride, Inc.1 buyer$12.2M
  9. 9SRRKScholar Rock Holding Corp1 buyer$12.0M
  10. 10IAMIambic Therapeutics, Inc.1 buyer$11.5M

Biggest 10%-owner & institutional buys · October 2026

Funds, PE and strategic holders. These are often IPO or private-placement positions, not open-market conviction.

  1. 1SAFXEEME Energy SPV I, LLC$142.1M
  2. 2LENBERKSHIRE HATHAWAY INC$67.5M
  3. 3PAMMindlin Marcos Marcelo$35.1M
  4. 4LENBERKSHIRE HATHAWAY INC$35.1M
  5. 5LYCAVenrock Healthcare Capital Partners III, L.P.$35.0M
  6. 6LENBERKSHIRE HATHAWAY INC$33.9M
  7. 7LENBERKSHIRE HATHAWAY INC$27.1M
  8. 8LNBIXLincoln Financial Investments Corp$25.0M
  9. 9CRBGNIPPON LIFE INSURANCE CO$20.9M
  10. 10CRBGNIPPON LIFE INSURANCE CO$20.5M

How October 2026's buys have played out

Price change from each trade to the most recent close, for the month's largest executive buys and sells.

Executives bought

-2.9% median since

16 stocks · 25% now higher

Executives sold

-8.8% median since

17 stocks · 24% now higher

Gained since the buy
  • PEPPEPSICO INC
    Bought ~$129.27 (Oct 14)→ $137.34
    +6.2%
  • SRRKScholar Rock Holding Corp
    Bought ~$41.71 (Oct 26)→ $43.90
    +5.3%
  • ACNAccenture plc
    Bought ~$247.23 (Oct 26)→ $258.24
    +4.5%
  • PSUSPershing Square USA, Ltd.
    Bought ~$37.35 (Oct 5)→ $37.61
    +0.7%
Fell since the buy
  • IAMIambic Therapeutics, Inc.
    Bought ~$23.81 (Oct 16)→ $13.43
    -43.6%
  • BBDBANK BRADESCO
    Bought ~$3.32 (Sep 1)→ $2.55
    -23.2%
  • BORRBorr Drilling Ltd
    Bought ~$4.78 (Oct 9)→ $4.02
    -15.9%
  • ACCVAccelevation Holdings Corp.
    Bought ~$16.58 (Oct 1)→ $14.48
    -12.7%
  • GMEGameStop Corp.
    Bought ~$27.22 (Oct 13)→ $24.23
    -11.0%

Price change from the market close on the disclosed trade date to the most recent close. Stocks that split in between are excluded. Cohort figures are medians across the month's largest trades (small sample). Historical price movement only, not a prediction, signal, or recommendation.

Repeat buyers of October 2026

Executives who made two or more open-market buys of $100K+ during October 2026, ranked by the median price change since each buy. Every name links to their full filing history.

Strongest track records
Weakest track records

Median price change from each buy's trade-date close to the most recent close. Buys under 7 days old and stocks that split in between are excluded. A track record is past filings and price history, not a prediction of an insider's future trades or of stock performance.

Cite this report

U.S. company officers and directors bought $378.0M of their own companies' stock across 201 companies in October 2026, according to SEC Form 4 filings aggregated by Tracefour.

Method: open-market purchases (code P) by officers and directors, one row per economic trade, from public EDGAR filings. Source link for attribution: https://tracefour.com/insider-trading-statistics/2026-10

Questions & answers

How much stock did company insiders buy in October 2026?
In October 2026, U.S. company officers and directors bought $378.0M of their own companies' stock on the open market, across 201 companies. A further $900.4M was filed by 10%-owners and institutions, largely IPO and financing positions rather than open-market conviction buys.
What was the biggest insider buy in October 2026?
The largest open-market executive purchase disclosed in October 2026 was Alvarez Rubens Aguiar's $29.5M buy of BBD (BANK BRADESCO), filed with the SEC on Form 4.
Which sectors did executives buy the most in October 2026?
The most executive buying in October 2026 by dollar value was in Finance & Insurance: $115.0M, about 30% of the month's executive purchases.
Does a stock go up after insiders buy it?
Not reliably. Insider buying is one public data point, not a forecast. Historically some stocks rise after insider purchases and others fall. Tracefour shows what was filed and how prices have moved since. It does not predict prices or give investment advice.
Data sourced from public SEC EDGAR Form 4 filings. Not investment advice.