InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (10 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
10
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Ragusa Robert P, Director. Officer active across 2 companies, notably Twist Bioscience Corp. Aggregated, 18 filings have been logged. Breakdown: 0 buy · 10 sells. Total volume traded: €13.4m. Activity tracked since 8 February 2022. The latest transaction was disclosed on 8 April 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Ragusa Robert P
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations18 total
123,502 shares@ US$49.917627.9% of flowCommon StockSEC:0001628280-26-024550:0
980 shares@ US$53.010.2% of flowCommon StockSEC:0001628280-26-016216:0
35,787 shares@ US$50.08536.9% of flowCommon StockSEC:0001628280-26-014311:0
5,095 shares0Common StockSEC:0001214659-26-001343:0
14,807 shares@ US$94.43165.8% of flowCommon StockSEC:0001628280-25-055599:0
7,239 shares@ US$68.882.2% of flowCommon StockSEC:0001628280-25-045269:0
94,035 shares@ US$33.9320.7% of flowCommon StockSEC:0001699031-25-000099:0
7,625 shares@ US$31.211.6% of flowCommon StockSEC:0001699031-25-000066:0
7,625 shares@ US$31.211.6% of flowCommon StockSEC:0001699031-25-000059:0
994 shares@ US$41.510.3% of flowCommon StockSEC:0001699031-25-000049:0
4,472 shares0Common StockSEC:0001214659-25-002231:0
224,620 shares@ US$28.8446.3% of flowCommon StockSEC:0001699031-25-000008:0
123,454 shares@ US$14.0211.6% of flowCommon StockSEC:0001628280-24-043069:0
214,240 shares@ US$12.5717.9% of flowCommon StockSEC:0001628280-24-042471:0
475,178 shares0Common StockSEC:0001628280-24-030869:0
5,815 shares0Common StockSEC:0001214659-24-002247:0
8,212 shares0Common StockSEC:0001214659-23-001882:0
3,491 shares0Common StockSEC:0001214659-22-002206:0
18 of 18 declarations
About Ragusa Robert P
Robert P. Ragusa is a Director at Twist Bioscience Corp. He participates in the governance of the company and strategic decision-making. Robert brings valuable experience in the biotechnology sector, contributing to the company's direction and growth.
