InsidersTradesSigma
Total declarations
Companies
▲ Purchases (6 ops.)
▼ Sales (6 ops.)
Insider track record
Board DirectorDisclosed buys
6
Disclosed sells
6
T+90 hit rate
14%
T+90 mean return
-16.2%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by De Backer Marianne, Director. Insider active across 3 companies, notably Kronos Bio, Inc.. Aggregated, 20 filings have been published. Split: 6 buys · 6 sells. Total volume traded: €2.1m. History available since 28 May 2021. The latest transaction was disclosed on 3 April 2025 (Cession). Regulator: SEC (Form 4). The full history is free.
Declarations20 total
79,712 shares@ US$5.949440.3% of flowCommon StockSEC:0001628280-25-016800:0
240,000 shares0Common StockSEC:0001628280-25-007693:0
53,118 shares0Common StockSEC:0001628280-24-027797:0
72,995 shares@ US$9.457759.7% of flowCommon StockSEC:0001628280-24-014878:0
175,000 shares0Common StockSEC:0001628280-24-006984:0
576,452 shares0Common StockSEC:0001209191-23-022777:0
7,867 shares0Common StockSEC:0001209191-23-003081:0
11,333 shares0Common StockSEC:0001209191-22-039788:0
6,400 shares0Common StockSEC:0001209191-22-002586:0
6,400 shares0Common StockSEC:0001209191-22-002586
2,244 shares@ US$64.2512.6% of flowCommon StockSEC:0001209191-22-001323
2,244 shares@ US$64.250.0012% mcap12.6% of flowCommon StockSEC:0001209191-22-001323:0
1,150 shares@ US$11.5718.1% of flowCommon StockSEC:0001209191-21-067658:0
Ideal exit: 28 Aug 2022 (T+270)
1,150 shares@ US$11.5718.1% of flowCommon StockSEC:0001209191-21-067658
Ideal exit: 28 Aug 2022 (T+270)
500 shares@ US$19.5012.9% of flowCommon StockSEC:0001209191-21-053243:0
Ideal exit: 17 May 2022 (T+270)
500 shares@ US$19.5012.9% of flowCommon StockSEC:0001209191-21-053243
Ideal exit: 17 May 2022 (T+270)
5,000 shares@ US$89.8537.4% of flowCommon StockSEC:0001209191-21-043406
5,000 shares@ US$89.850.0035% mcap37.4% of flowCommon StockSEC:0001209191-21-043406:0
600 shares@ US$25.0119.0% of flowCommon StockSEC:0001209191-21-036799
Ideal exit: 22 Feb 2022 (T+270)
600 shares@ US$25.0119.0% of flowCommon StockSEC:0001209191-21-036799:0
Ideal exit: 22 Feb 2022 (T+270)
20 of 20 declarations
About De Backer Marianne
Marianne De Backer is a Board Member at Kronos Bio, Inc. and ARROWHEAD PHARMACEUTICALS, INC. She brings her expertise in biotechnology and corporate strategy, contributing to the direction and governance of both companies. Her commitment is crucial for the development of innovative solutions in the healthcare sector.
