Walt David R
- SEC CIK
- 0001205236
No open-market purchases or sales filed in the past year.
Current role at each company
- QTRX Quanterix CorpDirectoras of Jan 6, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Walt David R as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 13, 2025 (view filing) | Jun 12-13 | 1 day | Walt David RDirector | PPurchase | +160.0K | $6.16 | +$985.6K | +9.4%1.87M after | 2 lots |
| Jun 9, 2025 (view filing) | Jun 6-9 | 3 days | Walt David RDirector | PPurchase | +210.0K | $5.40 | +$1.13M | +14.0%1.71M after | 2 lots |
| Sep 17, 2024 (view filing) | Aug 20 | 28 daysLate | Walt David RDirector | PPurchase | +47.0K | $13.29 | +$624.6K | +3.3%1.49M after | |
| Aug 10, 2022 (view filing) | Aug 10 | Same day | Walt David RDirector | PPurchase | +150.0K | $8.62 | +$1.29M | +11.7%1.43M after |