BLAKE KATRYN

Director · TWST, TRIP, SEMR

As of 2026-09-16, BLAKE KATRYN has 8 Form 4 transactions on record across 3 companies — 6 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $3.4MIndirect: $0$3.4Mas of 2026-09-16
  • Direct $3.4M
  • Indirect $0
TWSTdirect17,208 sh$2.5M
TRIPdirect99,860 sh$893K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

TWST · 3 trades
2026-08-12: Sale, 2,240 sh ($275K)2026-02-05: Award / grant, 5,095 sh ($0)2025-08-05: Award / grant, 14,353 sh ($0)
SEMR · 3 trades
2026-04-28: Disposition, 68,393 sh ($821K)2026-04-28: Disposition, 60,000 sh2026-04-28: Disposition, 60,000 sh
TRIP · 2 trades
2026-06-29: Award / grant, 17,818 sh ($0)2025-06-18: Award / grant, 19,171 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-12TWSTSale2,240 @ $122.88$275K−11.5% of holding17,208Form 4
7 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-29TRIPAward / grant17,81899,860Form 4
2026-04-28SEMRDisposition68,3930Form 4
2026-04-28SEMRDisposition60,0000Form 4
2026-04-28SEMRDisposition60,0000Form 4
2026-02-05TWSTAward / grant5,09519,448Form 4
2025-08-05TWSTAward / grant14,35314,353Form 4
2025-06-18TRIPAward / grant19,17195,658Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.