InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
20%
T+90 mean return
-14.2%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Clyburn Mignon L, Administratrice. Director active across 6 companies, notably RingCentral, Inc.. In total, 23 disclosures have been recorded. History available since 1 June 2021. The latest transaction was filed on 9 May 2025 (J). Regulator: SEC (Form 4). All data is openly available.
Declarations23 total
13,825 shares0Common SharesSEC:0000950170-25-070817:0
25,179 shares0Class A Common Shares, no par valueSEC:0000950170-25-067353:0
3,689 shares0Common Shares, no par valueSEC:0000950170-25-067428:0
1,448 shares@ US$8.6321.0% of flowClass A Common SharesSEC:0001770354-25-000001:0
1,517 shares@ US$8.2421.5% of flowClass A Common SharesSEC:0001770354-24-000002:0
5,829 shares0Class A Common StockSEC:0001415889-24-015485:0
1,409 shares@ US$8.8720.7% of flowClass A Common SharesSEC:0001770354-23-000004:0
8,864 sharesCommon StockSEC:0001140361-23-034786:0
8,448 shares0Class A Common StockSEC:0001209191-23-034233:0
637 shares@ US$10.3611.0% of flowClass A Common SharesSEC:0001770354-23-000001:0
1,775 shares@ US$7.8325.7% of flowClass A Common SharesSEC:0001770354-22-000004:0
2,434 shares0Class A Common SharesSEC:0001770354-22-000002:0
26,667 shares0Common StockSEC:0001730346-22-000036:0
4,770 shares0Class A Common StockSEC:0001209191-22-034265:0
816 shares@ US$16.1834.3% of flowClass A Common SharesSEC:0001770354-22-000001:0
932 shares@ US$14.1732.8% of flowClass A Common SharesSEC:0001770354-21-000003:0
932 shares@ US$14.1732.8% of flowClass A Common SharesSEC:0001770354-21-000003
1,900 shares0Class A Common SharesSEC:0001770354-21-000002:0
1,900 shares0Class A Common SharesSEC:0001770354-21-000002
19,802 shares0Common StockSEC:0001730346-21-000039
19,802 shares0Common StockSEC:0001730346-21-000039:0
1,027 shares0Class A Common StockSEC:0001209191-21-038076:0
1,027 shares0Class A Common StockSEC:0001209191-21-038076
23 of 23 declarations
About Clyburn Mignon L
Mignon L. Clyburn is a Board Member at RingCentral, Inc., Charah Solutions, Inc., and Lions Gate Entertainment Corp. She contributes to the governance and strategy of these companies. Mignon has extensive experience in the telecommunications and media sectors, having held various positions of responsibility. Her expertise in regulation and public policy is a valuable asset for guiding these companies in a complex environment.
