Latest filing published 23 Sept 2026 for KORSANA BIOSCIENCES, INC., €150k.
Insider track record
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Errol B. De Souza: trading record in brief
Errol B. De Souza is a declared insider at 2 companies; the most frequent names are Korsana Biosciences, Inc. and Royalty Pharma plc. Over a trading history stretching from 12 August 2026 to 23 September 2026, the count stands at 5 filings.
Not one of the filings records a straightforward purchase or sale on the market. Compensation-driven entries like these are tracked, but they say little about how insiders judge the share price.
The newest entry dates from 23 September 2026: a transaction of €150k, in Korsana Biosciences, Inc. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to Errol B. De Souza
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 4,903 shares@ US$34.99CommonSEC144:0001950047-26-009776
- 100 shares@ US$34.994.5% of flowCommonSEC144:0001950047-26-009757
- 2,139 shares@ US$34.99100.0% of flowCommonSEC144:0001950047-26-009679
- 206,352 shares@ US$57.790.035% mcap62.3% of flowClass A ordinary sharesSEC144:0001968582-26-000828
- 125,000 shares@ US$57.790.021% mcap37.7% of flowClass A ordinary sharesSEC144:0001968582-26-000827
5 of 5 declarations
