Greedy Insider
BIO Insider Trades and Greediness Scores
BIO-RAD LABORATORIES, INC. (BIO) insider trades: since Oct 24, 2025, Greedy Insider recorded 0 open-market buys and 27 sales on Form 4 from 9 insiders. The strongest recent filing scored 87 (Strong).
Who bought and who sold
Across the last 27 scoreable Form 4 transactions in BIO, 0 were open-market purchases and 27 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| EVRAN SEDAT | EVP, Global Supply Chain | Sell | 487.0 | 172641.5 | 2026-10-20 | 66 | View |
| SCHWARTZ NORMAN D | Chair | Sell | 1854.0 | 715847.94 | 2026-09-06 | 82 | View |
| Lakkaraju Roop Kalyan | CFO | Sell | 782.0 | 301938.03 | 2026-09-06 | 86 | View |
| Allison Schwartz | Director | Sell | 34.0 | 13127.74 | 2026-09-06 | 75 | View |
| BARRY JAMES | President | Sell | 470.0 | 181471.7 | 2026-09-06 | 85 | View |
| ENLOE COURTNEY C | EVP, General Counsel & Sec | Sell | 305.0 | 117763.55 | 2026-09-06 | 79 | View |
| EVRAN SEDAT | EVP, Global Supply Chain | Sell | 277.0 | 106952.47 | 2026-09-06 | 74 | View |
| ENGELHARDT EVA ANETTE | President | Sell | 485.0 | 187263.34 | 2026-09-06 | 87 | View |
| Mehta Rajat | EVP, GBL Commercial Operations | Sell | 233.0 | 89963.63 | 2026-09-05 | 72 | View |
| ENGELHARDT EVA ANETTE | President | Sell | 369.0 | 142474.6 | 2026-09-05 | 84 | View |
The strongest recent filing
ENGELHARDT EVA ANETTE (President) sold 485 shares of BIO-RAD LABORATORIES, INC. on Sep 6, 2026, a filing that scored 87 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 9 insiders (SCHWARTZ NORMAN D, Lakkaraju Roop Kalyan, Allison Schwartz, BARRY JAMES) traded BIO the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with BIO-RAD LABORATORIES, INC.'s own history
Open-market buys make up 0% of the 27 scoreable BIO transactions on record between Oct 24, 2025 and Oct 20, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 27
- Open-market buys: 0
- Sales: 27
- Distinct insiders: 9
- Strongest recent Greediness Score: 87 (Strong)
Primary sources
Related
- Strongest filing
- BIO in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.