Latest filing published 07 Jan 2026 for AMEREN CORP.
Filing timeline
BuySaleInsider track record
Leo S. Mackay Jr.: trading record in brief
This profile gathers the share dealings of Leo S. Mackay Jr. across 2 companies, led by Cognizant Technology Solutions Corp and Ameren Corp. In total, 45 filings cover trades dated from 4 June 2014 to 5 January 2026.
On the market, this insider has only sold: 9 sales, €3.4M in total. Other entries cover 9 share grants and 27 option exercises.
The record was last updated on 7 January 2026 with a share grant in Ameren Corp. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Leo S. Mackay Jr.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 1,686 shares0Common Stock, $.01 Par ValueSEC:0001558398-26-000002:0
- 606 shares@ US$80.324.5% of flowClass A Common StockSEC:0001058290-25-000195:0
- 1,600 shares@ US$87.4114.2% of flowClass A Common StockSEC:0001058290-25-000019:0
- 1,911 shares0Common Stock, $.01 Par ValueSEC:0001002910-25-000023:0
- 3,582 sharesClass A Common StockSEC:0001058290-24-000218:0
- 723 shares@ US$65.354.6% of flowClass A Common StockSEC:0001058290-24-000184:0
- 2,028 shares0Common Stock, $.01 Par ValueSEC:0001002910-24-000015:0
- 2,880 shares@ US$61.994.9% of flowClass A Common StockSEC:0001058290-23-000235:1
- 1,593 shares@ US$61.999.6% of flowClass A Common StockSEC:0001058290-23-000235:0
- 2,834 sharesClass A Common StockSEC:0001058290-23-000217:0
- 1,696 shares0Common Stock, $.01 Par ValueSEC:0001002910-23-000025:0
- 3,300 shares@ US$52.793318.4% of flowClass A Common StockSEC:0001058290-22-000327:0
- 2,949 sharesClass A Common StockSEC:0001058290-22-000155:0
- 1,426 shares@ US$59.638.5% of flowClass A Common StockSEC:0001058290-22-000119:0
- 4,778 shares@ US$88.5211.6% of flowClass A Common StockSEC:0001058290-22-000078:1
- 6,371 shares@ US$65.6040.3% of flowClass A Common StockSEC:0001058290-22-000078:0
- 1,694 shares0Common Stock, $.01 Par ValueSEC:0001002910-22-000009:0
- 3,939 sharesClass A Common StockSEC:0001058290-21-000155:0
- 1,858 shares0Common Stock, $.01 Par ValueSEC:0001002910-21-000025:0
- 89 shares0Common Stock, $.01 Par ValueSEC:0001002910-20-000146:0
- 3,436 sharesClass A Common StockSEC:0001209191-20-035020:0
- 5,500 shares@ US$59.6324.2% of flowClass A Common StockSEC:0001209191-20-012537:0
- 587 sharesClass A Common StockSEC:0001209191-19-037703:0
- 2,726 sharesClass A Common StockSEC:0001209191-19-035474:0
- 1,600 shares@ US$78.983.9% of flowClass A Common StockSEC:0001209191-18-038520:1
25 of 45 declarations
