WALT DAVID R is a corporate insider at ILLUMINA INC (ILMN) filing SEC Form 4 transactions. 4,807 transactions across 4 companies, totaling $11,477,987 in purchases and $114,120,939 in sales. Source: SEC EDGAR.
WALT DAVID R (reporter CIK 0001205236) has filed 4807 Form 4 insider transactions across ILLUMINA INC; Quanterix Corp; Cerulean Pharma Inc.; Max-1 Acquisition Co. Trading pattern is buy-heavy, with most recent activity logged 2026-01-02. Primary company: ILLUMINA INC (ILMN). Most active venue: ILLUMINA INC (ilmn#456) — 4713 transactions. Recent filings: Quanterix Corp (QTRX) — Sold 1,215 shares @ $0; Quanterix Corp (QTRX) — Sold 2,594 shares @ $6; Quanterix Corp (QTRX) — Sold 2,148 shares @ $7.
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
Quanterix Corp QTRX | Award | 1,215 | - | - | 1,872,890 | 1/2/2026 Filed: 1/2/2026 | Filing → |
Quanterix Corp QTRX | Award | 2,594 | $5.54 | $14K | 1,871,675 | 10/1/2025 Filed: 10/3/2025 | Filing → |
Quanterix Corp QTRX | Award | 2,148 | $6.69 | $14K | 1,869,081 | 7/1/2025 Filed: 7/2/2025 | Filing → |
Quanterix Corp QTRX | Purchase | 123,990 | $6.14 | $761K | 1,866,933 | 6/13/2025 Filed: 6/13/2025 | Filing → |
Quanterix Corp QTRX | Purchase | 36,010 | $6.23 | $224K | 1,742,943 | 6/12/2025 Filed: 6/13/2025 | Filing → |
Quanterix Corp QTRX | Purchase | 78,131 | $5.34 | $417K | 1,706,933 | 6/9/2025 Filed: 6/9/2025 | Filing → |
Quanterix Corp QTRX | Purchase | 131,869 | $5.43 | $717K | 1,628,802 | 6/6/2025 Filed: 6/9/2025 | Filing → |
Quanterix Corp QTRX | Award | 2,156 | $6.67 | $14K | 1,496,933 | 4/1/2025 Filed: 4/3/2025 | Filing → |
Quanterix Corp QTRX | Award | 15,821 | $10.76 | $170K | 15,821 | 1/2/2025 Filed: 1/6/2025 | Filing → |
Quanterix Corp QTRX | Award | 7,435 | - | - | 1,494,777 | 1/2/2025 Filed: 1/6/2025 | Filing → |
Quanterix Corp QTRX | Purchase | 47,000 | $13.29 | $625K | 1,487,342 | 8/20/2024 Filed: 9/17/2024 | Filing → |
Quanterix Corp QTRX | Gift | 1,000 | - | - | 1,440,342 | 3/9/2023 Filed: 9/17/2024 | Filing → |
Quanterix Corp QTRX | Gift | 1,000 | - | - | 1,441,342 | 10/12/2022 Filed: 9/17/2024 | Filing → |
Quanterix Corp QTRX | Award | 6,412 | - | - | 6,412 | 1/2/2024 Filed: 1/4/2024 | Filing → |
Quanterix Corp QTRX | Award | 2,947 | - | - | 1,442,342 | 1/2/2024 Filed: 1/4/2024 | Filing → |
Quanterix Corp QTRX | Award | 12,124 | $0.00 | $0 | 12,124 | 1/3/2023 Filed: 1/4/2023 | Filing → |
Quanterix Corp QTRX | Award | 8,083 | $0.00 | $0 | 1,439,395 | 1/3/2023 Filed: 1/4/2023 | Filing → |
Quanterix Corp QTRX | Purchase | 150,000 | $8.62 | $1.29M | 1,431,312 | 8/10/2022 Filed: 8/10/2022 | Filing → |
Quanterix Corp QTRX | Award | 4,002 | $0.00 | $0 | 4,002 | 1/3/2022 Filed: 1/5/2022 | Filing → |
Quanterix Corp QTRX | Award | 2,668 | $0.00 | $0 | 1,281,312 | 1/3/2022 Filed: 1/5/2022 | Filing → |
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