Who
Katryn Blake
Director
Company insider
Files Form 4 as: Director, Twist Bioscience; Director, TripAdvisor; Director, SEMrush Holdings; Director, Ally Financial; CEO, Vistaprint, Cimpress.
In numbers
- Trades disclosed
- 490
- Buys
- 0
- Sells
- 60
- Bought
- $0
- Sold
- $25.8M
- Companies
- 5
- Companies where not an officer
- 4
- First trade
- 22 Nov 2010
- Last trade
- 12 Aug 2026
- Last filed
- 14 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 12 Aug 2026filed 14 Aug 2026 | TWST Twist BioscienceGenomics & Gene Editing | SEC FORM 4 Sold | $275K2,240 at $122.88 | filing |
| 12 Aug 2026filed 14 Aug 2026 | TWST Twist BioscienceGenomics & Gene Editing | SEC FORM 4 Sold | $275K2,240 at $122.88 | filing |
| 29 Jun 2026filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —17,818 at $0.00 | filing |
| 29 Jun 2026filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —17,818 at $0.00 | filing |
| 28 Apr 2026filed 28 Apr 2026 | SEMrush HoldingsSoftware | SEC FORM 4 Code D | $821K68,393 at $12.00 | filing |
| 28 Apr 2026filed 28 Apr 2026 | SEMrush Holdingsoption or derivative · Software | SEC FORM 4 Code D | —60,000 | filing |
| 28 Apr 2026filed 28 Apr 2026 | SEMrush Holdingsoption or derivative | SEC FORM 4 Code D | —60,000 | filing |
| 28 Apr 2026filed 28 Apr 2026 | SEMrush Holdings | SEC FORM 4 Code D | $821K68,393 at $12.00 | filing |
| 5 Feb 2026filed 9 Feb 2026 | TWST Twist BioscienceGenomics & Gene Editing | SEC FORM 4 Code A | —5,095 at $0.00 | filing |
| 5 Feb 2026filed 9 Feb 2026 | TWST Twist BioscienceGenomics & Gene Editing | SEC FORM 4 Code A | —5,095 at $0.00 | filing |
| 5 Aug 2025filed 7 Aug 2025 | TWST Twist BioscienceGenomics & Gene Editing | SEC FORM 4 Code A | —14,353 at $0.00 | filing |
| 18 Jun 2025filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 18 Jun 2025filed 1 Jul 2026 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 18 Jun 2025filed 20 Jun 2025 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —19,171 at $0.00 | filing |
| 11 Jun 2024filed 13 Jun 2024 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —13,616 at $0.00 | filing |
| 6 Jun 2023filed 8 Jun 2023 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —15,105 at $0.00 | filing |
| 14 Jun 2022filed 16 Jun 2022 | TRIP TripAdvisorIT Services & Consulting | SEC FORM 4 Code A | —12,800 at $0.00 | filing |
| 7 Jan 2022filed 11 Jan 2022 | ALLY Ally FinancialRegional banks | SEC FORM 4 Code A | —683 at $0.00 | filing |
| 7 Oct 2021filed 12 Oct 2021 | ALLY Ally FinancialRegional banks | SEC FORM 4 Code A | —637 at $0.00 | filing |
| 9 Jul 2021filed 12 Jul 2021 | ALLY Ally FinancialRegional banks | SEC FORM 4 Code A | —653 at $0.00 | filing |
News
Twist Bioscience (NASDAQ:TWST) versus Quanterix (NASDAQ:QTRX) Financial AnalysisTWST · tickerreport.com · 15 Oct 2026
0 headlines in the last 90 days name Katryn Blake; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.