Who
Wei Jiang
Director
Company insider
Files Form 4 as: Director, Waters; Director, STAAR Surgical.
In numbers
- Trades disclosed
- 66
- Buys
- 1
- Sells
- 0
- Bought
- $289K
- Sold
- $0
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 14 Jul 2021
- Last trade
- 30 Sep 2026
- Last filed
- 2 Oct 2026
Companies traded
Activity over time
1 Mar – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 30 Sep 2026filed 2 Oct 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —57.41 at $0.00 | filing |
| 30 Jun 2026filed 2 Jul 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —67.42 at $0.00 | filing |
| 30 Jun 2026filed 2 Jul 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —67.42 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR SurgicalMedical Devices | SEC FORM 4 Code M | —10,683 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code M | —10,683 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code A | —6,182 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code M | —10,683 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code A | —6,182 at $0.00 | filing |
| 18 Jun 2026filed 22 Jun 2026 | STAA STAAR SurgicalMedical Devices | SEC FORM 4 Code M | —10,683 at $0.00 | filing |
| 31 Mar 2026filed 2 Apr 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —64.06 at $0.00 | filing |
| 31 Mar 2026filed 2 Apr 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —64.06 at $0.00 | filing |
| 16 Mar 2026filed 18 Mar 2026 | WAT WatersLife-science tools | SEC FORM 4 Bought | $145K500 at $289.46 | filing |
| 16 Mar 2026filed 18 Mar 2026 | WAT WatersLife-science tools | SEC FORM 4 Bought | $145K500 at $289.46 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —23 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —57 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT Watersoption or derivative · Life-science tools | SEC FORM 4 Code A | —57 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | WAT WatersLife-science tools | SEC FORM 4 Code A | —23 at $0.00 | filing |
| 12 Jan 2026filed 14 Jan 2026 | STAA STAAR SurgicalMedical Devices | SEC FORM 4 Code M | —20,967 at $0.00 | filing |
| 12 Jan 2026filed 14 Jan 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code M | —20,967 at $0.00 | filing |
| 12 Jan 2026filed 14 Jan 2026 | STAA STAAR Surgicaloption or derivative · Medical Devices | SEC FORM 4 Code M | —20,967 at $0.00 | filing |
News
Waters Launches AI Link, Advancing AI-Enabled LC-MS Workflows from Research to ReleaseWAT · manilatimes.net · 13 Oct 2026New CellCarta and Waters partnership advances diagnosticsWAT · selectscience.net · 13 Oct 2026
0 headlines in the last 90 days name Wei Jiang; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.