The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Demmerle Stefan since 2020.
This trader's CIK number is 1559086.
At the time of last reporting, Demmerle Stefan was the Vice President of Borgwarner Inc. (stock ticker symbol BWA).
Also see all insider trading activities at Borgwarner Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | BWA | 0 | $0 | 40,000 | $1,558,334 | 0 | $0 |
| 2024 | BWA | 0 | $0 | 48,044 | $1,645,091 | 0 | $0 |
| 2023 | BWA | 0 | $0 | 12,000 | $591,184 | 0 | $0 |
| 2021 | BWA | 0 | $0 | 15,500 | $774,782 | 0 | $0 |
| 2020 | BWA | 0 | $0 | 3,125 | $115,156 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-12 | BWA | Sale | 15,000 | 39.50 | 592,455 |
| 2025-08-13 | BWA | Sale | 5,000 | 40.50 | 202,500 |
| 2025-08-04 | BWA | Sale | 20,000 | 38.17 | 763,379 |
| 2024-11-27 | BWA | Sale | 20,544 | 34.27 | 704,145 |
| 2024-11-14 | BWA | Sale | 21,500 | 34.79 | 748,070 |
| 2024-03-13 | BWA | Sale | 3,000 | 33.00 | 99,000 |
| 2024-03-05 | BWA | Sale | 3,000 | 31.29 | 93,876 |
| 2023-06-14 | BWA | Sale | 5,000 | 47.61 | 238,050 |
| 2023-03-03 | BWA | Sale | 3,000 | 51.05 | 153,150 |
| 2023-02-14 | BWA | Sale | 4,000 | 50.00 | 199,984 |
| 2021-11-16 | BWA | Sale | 3,000 | 49.00 | 147,000 |
| 2021-11-05 | BWA | Sale | 6,000 | 46.95 | 281,718 |
| 2021-06-02 | BWA | Sale | 4,500 | 55.22 | 248,490 |
| 2021-03-05 | BWA | Sale | 2,000 | 48.79 | 97,574 |
| 2020-12-14 | BWA | Sale | 3,125 | 36.85 | 115,156 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Demmerle Stefan (Vice President of Borgwarner Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.