InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
4
T+90 hit rate
22%
T+90 mean return
-5.2%
Across 9 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Anderson Karen M., Directeur des Ressources Humaines. Director active across 2 companies, notably Centessa Pharmaceuticals plc. In total, 33 filings have been recorded. Split: 0 buy · 4 sells. Total volume traded: €833k. History available since 9 June 2021. The latest transaction was filed on 13 March 2026 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations33 total
62,085 sharesOrdinary SharesSEC:0001470831-26-000619:0
94,224 shares@ US$4.010.0054% mcap50.0% of flowOrdinary SharesSEC:0001470831-26-000279
94,224 shares@ US$4.010.0054% mcap50.0% of flowOrdinary SharesSEC:0001470831-26-000279:0
30,526 shares@ US$4.015.9% of flowOrdinary SharesSEC:0001847903-25-000031:0
10,732 shares@ US$16.928.7% of flowOrdinary SharesSEC:0001847903-25-000026:0
5,876 shares@ US$3.851.1% of flowOrdinary SharesSEC:0001847903-24-000182:0
5,876 shares@ US$17.01394.8% of flowOrdinary SharesSEC:0001847903-24-000182:1
10,624 shares@ US$3.851.9% of flowOrdinary SharesSEC:0001847903-24-000182:2
10,624 shares@ US$17.32278.7% of flowOrdinary SharesSEC:0001847903-24-000182:3
25,010 shares@ US$4.014.6% of flowOrdinary SharesSEC:0001847903-24-000046:0
19,990 shares@ US$3.853.6% of flowOrdinary SharesSEC:0001847903-24-000046:1
29,995 shares@ US$11.656116.1% of flowOrdinary SharesSEC:0001847903-24-000046:2
21,165 shares@ US$12.205811.9% of flowOrdinary SharesSEC:0001847903-24-000046:3
31,250 shares0Ordinary SharesSEC:0001847903-24-000030:0
53,700 shares0Ordinary SharesSEC:0001847903-23-000042:0
8,649 sharesOrdinary SharesSEC:0000899243-22-019251:0
4,316 sharesOrdinary SharesSEC:0001209191-22-022572:0
4,333 sharesOrdinary SharesSEC:0001209191-22-006416:0
4,333 sharesOrdinary SharesSEC:0001209191-22-006416
7,812 shares@ US$40.005.7% of flowOrdinary SharesSEC:0001209191-21-062733
7,812 shares@ US$40.005.7% of flowOrdinary SharesSEC:0001209191-21-062733:0
1,859 shares@ US$33.381.1% of flowOrdinary SharesSEC:0001209191-21-058972:0
1,859 shares@ US$33.381.1% of flowOrdinary SharesSEC:0001209191-21-058972
15,624 shares@ US$40.0011.3% of flowOrdinary SharesSEC:0001209191-21-051157
15,624 shares@ US$40.0011.3% of flowOrdinary SharesSEC:0001209191-21-051157:0
25 of 33 declarations
About Anderson Karen M.
Karen M. Anderson is the Director of Human Resources at Centessa Pharmaceuticals plc.
