Insider buying report — Friday, October 9, 2026: 31 open-market buys worth $106.5M
On Friday, October 9, 2026 the SEC published 31 open-market insider purchases worth $106.5M across 26 companies, against 18 insider sales of $1M or more worth $96.1M. Insiders were net buyers by dollar value.
The largest purchase
Yin Chung-Yao (director) at Gogoro Inc. (GGR) filed the day's largest purchase: 14,158,991 shares at $2.48, $35.1M in total, transacted on Oct 7, 2026 and filed Oct 9, 2026. What makes it notable: it is this insider's first open-market purchase on record; the stock was at least 25% below its recent high when they bought.
Behind it: Alvarez Rubens Aguiar at BBD ($32.0M), Life Insurance Co Nippon at CRBG ($20.9M), Ramin Kamfar at BPRE ($8.5M).
Top ten insider buys
| Filed | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-09 | Yin Chung-Yaofirst buydip Director | GGR Gogoro Inc. | Bought | 14,158,991 | $2.48 | $35.1M |
| 2026-10-09 | Alvarez Rubens Aguiarclusterfirst buy Director | BBD BANK BRADESCO | Bought | 1,845,000 | $17.37 | $32.0M |
| 2026-10-09 | Life Insurance Co Nippon 10% owner | CRBG Corebridge Financial, Inc. | Bought | 606,912 | $34.40 | $20.9M |
| 2026-10-09 | Ramin Kamfarclusterlargest ever Director | BPRE Bluerock Private Real Estate Fund | Bought | 651,063 | $13.06 | $8.5M |
| 2026-10-09 | Coyle John Josephclusterfirst buy Director | REF Reformation Inc. | Bought | 200,000 | $15.00 | $3.0M |
| 2026-10-09 | Dark Mirage, LPfirst buydip 10% owner | OPTU Optimum Communications, Inc. | Bought | 3,032,354 | $0.81 | $2.5M |
| 2026-10-09 | William P Scullydiplargest ever 10% owner | PRTA PROTHENA CORP PUBLIC LTD CO | Bought | 215,000 | $8.47 | $1.8M |
| 2026-10-09 | Aksia LLCfirst buy Insider | N.A. Calamos Aksia Private Equity & Alternati | Bought | 82,053 | $11.09 | $910k |
| 2026-10-09 | Rusnak Paul P.dip 10% owner | SAH SONIC AUTOMOTIVE INC | Bought | 13,701 | $59.78 | $819k |
| 2026-10-09 | Leverton Jaimefirst buydip Director | VDTA Vertical Data Inc. | Bought | 85,000 | $3.00 | $255k |
Showing 10 of 31 open-market purchases filed on 2026-10-09. The full list, sortable and filterable by role and size, is in the members Filings Browser; the same rows are available as JSON through the API.
Signals in the day's buying
Of the purchases filed: 5 purchases by a chief executive (CINT, FEAM, NEOG, QTEX, UXIN); 1 by a CFO (CRNC); 9 that belong to an active cluster (AGMB, AHRT, BBD, BPRE, CINT, REF); 14 first-ever purchases by the insider; 13 bought at least 25% below the recent high. These are the flags the members area scores on — a CFO buying with their own money has historically been the strongest single-insider signal, and a cluster of three or more buyers the strongest of all. The cluster guide explains the scoring.
GGR — two years of insider activity on the price
BBD — two years of insider activity on the price
CRBG — two years of insider activity on the price
Largest insider sales ($1M and up)
| Filed | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-09 | Ullal Jayshree CEO and Chairperson | ANET Arista Networks, Inc. | Sold | 96,992 | $217.14 | $21.1M |
| 2026-10-09 | von Ahn Luis President & CEO, Co-Founder | DUOL Duolingo, Inc. | Sold | 104,932 | $151.62 | $15.9M |
| 2026-10-09 | Le-Quoc Alexis Chief Technology Officer | DDOG Datadog, Inc. | Sold | 45,251 | $273.10 | $12.4M |
| 2026-10-09 | Batista de Lima Filho Pedro Director | AXIA3 AXIA Energia S.A. | Sold | 829,800 | $11.50 | $9.5M |
| 2026-10-09 | Sahin Ugur Chief Executive Officer | BNTX BioNTech SE | Sold | 63,209 | $94.07 | $5.9M |
The largest sale was Ullal Jayshree at Arista Networks, Inc. (ANET), $21.1M. Sales are shown from $1M upward only; below that they are overwhelmingly scheduled 10b5-1 plans and tax-driven, and listing them would bury the signal.
Context: the market-wide picture
For the week starting Oct 5, 2026, 22% of open-market insider filings across the whole market were buys (166 buys against 597 sales). The long-run average sits near a third, because insiders buy for one reason and sell for many. The full weekly series since 2019 is on the insider sentiment index.
Questions this post answers
Which insiders bought stock on Oct 9, 2026?
31 open-market purchases were filed with the SEC on Oct 9, 2026, worth $106.5M across 26 companies. The largest was Yin Chung-Yao at Gogoro Inc. (GGR), $35.1M. The ten largest are listed above.
Were insiders net buyers or net sellers on Oct 9, 2026?
By dollar value, buyers: $106.5M bought against $96.1M in sales of $1M or more. Selling normally dominates because executives sell on pre-set schedules; what matters is the buying, which is voluntary.
What counts as an insider buy here?
Only Form 4 transactions with code P — an open-market purchase paid for with the insider's own money. Grants (A), option exercises (M) and shares withheld for tax (F) are excluded, because they follow vesting schedules set years earlier and say nothing about what the insider thinks of the price.
How current is this?
The SEC publishes Form 4 filings through about 10 pm Eastern each business day. This report covers everything published on Oct 9, 2026 and was generated early the next morning from the same data the members area uses.