InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Blake Katryn, Director. Insider active across 5 companies, notably Ally Financial Inc.. Aggregated, 19 filings have been published. Split: 0 buy · 4 sells. Total volume traded: €238k. History available since 14 May 2021. The latest transaction was filed on 12 August 2026 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Blake Katryn
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations19 total
2,240 shares@ US$122.88Common StockSEC:0001214659-26-010414:0
17,818 sharesCommon StockSEC:0001526520-26-000147:0
68,393 shares@ US$12.000.039% mcap100.0% of flowClass A Common StockSEC:0000950103-26-006315:0
5,095 shares0Common StockSEC:0001214659-26-001340:0
14,353 shares0Common StockSEC:0001214659-25-011688:0
19,171 shares0Common StockSEC:0001127602-25-017866:0
13,616 shares0Common StockSEC:0001127602-24-018597:0
15,105 shares0Common StockSEC:0001127602-23-018309:0
12,800 shares0Common StockSEC:0001127602-22-017646:0
683 shares0Common StockSEC:0001562180-22-000408:0
637 shares0Common StockSEC:0001562180-21-006398:0
653 shares0Common StockSEC:0001562180-21-004899:0
6,002 shares0Common StockSEC:0001127602-21-019657:0
2,500 shares@ US$54.00100.0% of flowCommon StockSEC:0001562180-21-003548:0
500 sharesOrdinary SharesSEC:0001209191-16-096679:0
800 sharesOrdinary SharesSEC:0001209191-16-096679:1
671 sharesOrdinary SharesSEC:0001209191-16-096679:2
1,944 sharesOrdinary SharesSEC:0001209191-16-096188:0
686 sharesOrdinary SharesSEC:0001209191-16-096188:1
19 of 19 declarations
About Blake Katryn
BLAKE KATRYN is Administrateur at TripAdvisor, Inc., CIMPRESS N.V., Ally Financial Inc., Twist Bioscience Corp and SEMrush Holdings, Inc. Across 18 total filings, the 18 sampled filings run from 2016-02-08 to 2026-07-01 and show EUR 700399 of sales and EUR 0 of purchases, with a predominant transaction type of Attribution.
