Insider Radar — Week of June 29, 2026
In the holiday-shortened trading week around July 4, insider buying stayed thin: $73M against $2.44B of selling, a 33:1 ratio far above the recent norm. More than half the selling was scheduled months in advance, and the single biggest buy was Uber taking $20M of Lime, a strategic stake rather than an insider's bet.
In the holiday-shortened week around July 4, corporate insiders sold roughly $33 for every $1 they bought, against a recent norm near 13×, as open-market buying thinned to $73.0M across a market that filed 1,080 Form 4s on the quarter turn. The single largest purchase was not an insider's bet at all: Uber Technologies reported a $20.0M purchase of Lime (Neutron Holdings) shares at a flat $25.00. Genuine officer and director buying was $44.4M, and a third of that was one founder-CEO's habitual daily buying at 51Talk.
The buying stayed thin, and the biggest buy was strategic
Insiders bought $73.0M of their own companies' shares on the open market this week, across 157 purchases. With July 4 falling on a Saturday, US markets closed Friday July 3 and the trading week ran four days; the filing count still hit 1,080 because the quarter turn brings a wave of grant and compensation filings that carry no market trades.
The composition matters more than the total. The single largest purchase was Uber Technologies reporting $20.0M of Lime (Neutron Holdings, LIME) at a flat $25.00 on July 2: a strategic stake by a corporate holder, reported on Form 4 because Uber sits over the 10% line, not an insider reading the price. The largest genuine insider buying was the most familiar name in this report: 51Talk founder-CEO Jack Huang (COE) added $23.5M across the week, continuing a near-daily buying streak. Behind those two, three Wallbox (WBX) directors and the CEO reported $5.0M at a uniform 2.72 euro-denominated price on one day, which is a placement being reported rather than four separate decisions, and Hartree Partners kept accumulating Hudson Technologies (HDSN, $4.5M). Officer and director buying net of those patterns was modest: a $2.0M buy by Banco Bradesco's chief legal officer (BBD), $1.8M by an RH director, and small adds in Argentina (GGAL) and Brazil (AXIA).
| Ticker | Buyer | Role | Bought |
|---|---|---|---|
| COE | Jack Huang | CEO / founder | $23.5M |
| LIME | Uber Technologies | 10% owner (strategic) | $20.0M |
| WBX | Four insiders incl. CEO | Officers and directors (placement) | $5.0M |
| HDSN | Hartree Partners, LP | 10% owner (fund) | $4.5M |
| AXIA | Pedro Batista de Lima Filho | Director | $3.7M |
| BBD | Julio Cesar Bueno | Chief Legal Officer | $2.0M |
| RH | Carlos Alberini | Director | $1.8M |
| GGAL | Silvestre Vila Moret | Director | $1.4M |
The selling was mostly funds and scheduled plans
Insiders sold $2.44B on the week. No single disposition topped $1 billion, so nothing was excluded as an M&A or reorganization event. About 57% of the total ($1.38B) was pre-scheduled 10b5-1 plan selling that carries no current-quarter signal, including plan sales at Hinge Health ($121M, backer Insight Holdings), Astera Labs ($61M), Airbnb ($44M, co-founder Joe Gebbia), Arista Networks ($82M across two blocks, co-founder Andy Bechtolsheim) and Oscar Health ($36M, CEO Mark Bertolini).
The largest discretionary sales were funds trimming, not executives fleeing their own companies: biotech fund Fairmount cut $300M of Oruka Therapeutics (ORKA), hedge fund WindAcre sold $78M of Perimeter Solutions (PRM), and Carlos Slim's investment vehicle sold $39M of PBF Energy (PBF). Two genuine executive discretionary sales cracked the top tier: Alibaba president J. Michael Evans ($68M, BABA) and Applied Materials CEO Gary Dickerson ($56M, AMAT). One caution on reading the raw data: a ~$28M QVT Financial block sale in Roivant (ROIV) is co-reported by the fund and affiliated directors, so Form 4 totals overstate reality unless you group by economic event.
| Ticker | Seller | Role | Event value | Type | Date |
|---|---|---|---|---|---|
| ORKA | Fairmount Funds Management | 10% holder | $300.0M | Open market | Jul 1 |
| HNGE | Insight Holdings Group | 10% holder | $121.5M | 10b5-1 | Jun 29 |
| PRM | WindAcre Partnership | 10% holder | $78.0M | Open market | Jun 29–30 |
| BABA | J. Michael Evans | President | $68.4M | Open market | Jun 29 |
| ALAB | Manuel Alba | Director | $60.5M | 10b5-1 | Jul 1 |
| AMAT | Gary Dickerson | President and CEO | $55.6M | Open market | Jun 29–30 |
| ABNB | Joseph Gebbia | Director and 10% holder | $43.8M | 10b5-1 | Jun 29 |
| MU | April Arnzen | EVP and Chief People Officer | $43.4M | 10b5-1 | Jul 1 |
Methodology
Covers every SEC Form 4 filed on EDGAR during June 29 – July 5, 2026, a holiday-shortened trading week (US markets closed Friday July 3), grouped into economic events by transaction code and ownership form and scored on the summed value of the group. Events above $1 billion are excluded as almost always M&A, tender, or reorganization dispositions (or filer errors); no event reached that threshold this week. 'Buying' and 'selling' sum non-derivative purchase (P) and sale (S/D) transactions. The sell/buy ratio is compared to the median of recent steady-state weeks with over $10M of buying (13.4×, from 7 weeks; filing coverage matured in mid-2026, so the baseline is short). Where a fund and its affiliated directors co-report the same disposition (e.g. Roivant), the shared block is counted once in prose. Restated on August 6, 2026: a coverage gap in our Form 4 collector, found and fixed that day, had dropped a share of filings for this window. The figures above reflect the complete set backfilled from SEC's daily indexes; the originally published issue reported 568 filings, $33.3M of buying and $1.64B of selling. One previously reported purchase (a $16.7M print in BGDE) is no longer counted: its filed price failed plausibility validation against the security's own trading history and is stored without a value. This is a filtered readout of public filings, not investment advice.
Sources: SEC EDGAR (Form 4 filings)
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