BLAKE KATRYN
SEC insider (Form 3/4/5 filer). CIK 0001505740. Director at Twist Bioscience Corp (TWST) and 2 other issuers. 7 reported Form 4/5 transactions since Sep 2024; latest on Aug 12, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies BLAKE KATRYN has filed insider reports for
- Twist Bioscience Corp (TWST): Director
- TripAdvisor, Inc. (TRIP): Director
- SEMrush Holdings, Inc. (SEMR): Director
BLAKE KATRYN
CIK: 0001505740
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (14.3%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)5 (71.4%)
Compensation grants
Other (G, F, J, C, D, …)1 (14.3%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (7 total)
- Aug 12, 2026TWST
Twist Bioscience Corp
SaleDirect2.2K shares at avg. $122.88$275K - Jun 29, 2026TRIP
TripAdvisor, Inc.
AwardDirect17.8K shares- - Apr 28, 2026SEMR
SEMrush Holdings, Inc.
DispositionDirect68.4K shares at avg. $12.00$821K - Feb 5, 2026TWST
Twist Bioscience Corp
AwardDirect5.1K shares- - Aug 5, 2025TWST
Twist Bioscience Corp
AwardDirect14.4K shares- - Jun 18, 2025TRIP
TripAdvisor, Inc.
AwardDirect19.2K shares- - Jun 18, 2025TRIP
TripAdvisor, Inc.
AwardDirect19.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 12, 2026 |  TWST Twist Bioscience Corp | Sale | 2,240 | $122.88 | $275,251 | Direct |
| Jun 29, 2026 |  TRIP TripAdvisor, Inc. | Award | 17,818 | - | $0 | Direct |
| Apr 28, 2026 |  SEMR SEMrush Holdings, Inc. | Disposition | 68,393 | $12.00 | $820,716 | Direct |
| Feb 5, 2026 | TWST Twist Bioscience Corp | Award | 5,095 | - | $0 | Direct |
| Aug 5, 2025 | TWST Twist Bioscience Corp | Award | 14,353 | - | - | Direct |
| Jun 18, 2025 | TRIP TripAdvisor, Inc. | Award | 19,171 | - | $0 | Direct |
| Jun 18, 2025 | TRIP TripAdvisor, Inc. | Award | 19,171 | - | - | Direct |
1-7 of 7 transactions