InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
7
T+90 hit rate
17%
T+90 mean return
-4.3%
Across 6 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 TANSKI RONALD J, Director. Director active across 2 companies, notably CMS Energy CORP. Cumulatively, 39 disclosures have been published. Split: 0 buy · 7 sells. Total volume traded: €9m. History available since 7 May 2021. The latest transaction was disclosed on 2 May 2025 (Attribution). Regulator: SEC (Form 4). The full history is free.
Declarations39 total
2,401 shares0Common StockSEC:0000811156-25-000057:0
552 shares@ US$79.2650.3% of flowCommon StockSEC:0001562180-25-002975:0
715 shares@ US$61.2150.3% of flowCommon StockSEC:0001562180-25-000087:0
1,650 shares0Common StockSEC:0001562180-24-008011:0
306 shares@ US$56.990.1% of flowCommon StockSEC:0001562180-24-007119:0
311 shares@ US$53.480.1% of flowCommon StockSEC:0001562180-24-005586:0
2,843 shares0Common StockSEC:0000811156-24-000104:0
820 shares@ US$53.3650.3% of flowCommon StockSEC:0001562180-24-003229:0
865 shares@ US$50.5950.3% of flowCommon StockSEC:0001562180-24-000214:0
1,980 shares0Common StockSEC:0001562180-23-008372:0
857 shares@ US$51.0650.3% of flowCommon StockSEC:0001562180-23-007169:0
849 shares@ US$51.590.3% of flowCommon StockSEC:0001562180-23-005681:0
2,582 shares0Common StockSEC:0000811156-23-000056:0
758 shares@ US$57.750.3% of flowCommon StockSEC:0001562180-23-003353:0
710 shares@ US$61.630.3% of flowCommon StockSEC:0001562180-23-000095:0
1,500 shares0Common StockSEC:0001562180-22-008265:0
692 shares@ US$63.290.4% of flowCommon StockSEC:0001562180-22-006990:0
656 shares@ US$66.740.3% of flowCommon StockSEC:0001562180-22-005500:0
2,362 shares0Common StockSEC:0000811156-22-000100:0
10,207 shares@ US$69.4830.0078% mcap5.6% of flowCommon StockSEC:0001562180-22-003373:0
626 shares@ US$69.9750.0005% mcap0.3% of flowCommon StockSEC:0001562180-22-003250:0
21,413 shares@ US$68.4380.016% mcap11.4% of flowCommon StockSEC:0001562180-22-002964:0
38,839 shares@ US$64.6190.027% mcap19.7% of flowCommon StockSEC:0001562180-22-002652:0
6,488 shares@ US$61.2320.0043% mcap3.0% of flowCommon StockSEC:0001562180-22-002054:0
32,602 shares@ US$60.5730.021% mcap14.9% of flowCommon StockSEC:0001562180-22-001479:0
25 of 39 declarations
About TANSKI RONALD J
Ronald J. Tanski is an executive at CMS Energy Corp.
