Stefan Demmerle, Vice President of BorgWarner Inc. ($BWA), sold common shares on the open market eight times over the last 365 days, totaling about $2.8 million. His most recent sale occurred on March 10, 2026. These sales rank 2830th among 11,678 individual insiders by value, below the average of $8.6 million per insider and 6.37 transactions. Demmerle made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 2500 | $53.03 | 233,746.0000 | 216,400,000 | 1.06% | 0.00% |
| Feb. 28, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 12972 | $57.57 | 236,246.0000 | 216,400,000 | 5.21% | 0.01% |
| Feb. 28, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 953 | $0.00 | 249,218.0000 | 216,400,000 | 0.38% | 0.00% |
| Feb. 4, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 55689 | $0.00 | 272,666.0000 | 216,400,000 | 25.67% | 0.03% |
| Feb. 4, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 24401 | $48.57 | 248,265.0000 | 216,400,000 | 8.95% | 0.01% |
| Feb. 3, 2026 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 22610 | $0.00 | 223,953.6900 | 216,400,000 | 11.23% | 0.01% |
| Feb. 4, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 30214 | $0.00 | 238,771.6900 | 224,800,000 | 14.49% | 0.01% |
| Nov. 12, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 5000 | $46.00 | 204,039.6900 | 217,600,000 | 2.39% | 0.00% |
| Nov. 11, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 15000 | $45.52 | 209,039.6900 | 217,600,000 | 6.70% | 0.01% |
| Sept. 5, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 5000 | $44.00 | 224,039.6900 | 224,800,000 | 2.18% | 0.00% |
| Aug. 12, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 5000 | $40.04 | 244,039.6900 | 224,800,000 | 2.01% | 0.00% |
| Aug. 12, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 10000 | $38.95 | 234,039.6900 | 224,800,000 | 4.10% | 0.00% |
| Aug. 13, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 5000 | $40.50 | 229,039.6900 | 224,800,000 | 2.14% | 0.00% |
| Aug. 4, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 20000 | $38.17 | 249,039.6900 | 224,800,000 | 7.43% | 0.01% |
| Feb. 28, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 5319 | $29.61 | 272,722.6900 | 224,800,000 | 1.91% | 0.00% |
| Feb. 28, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 5758 | $29.61 | 266,964.6900 | 224,800,000 | 2.11% | 0.00% |
| Feb. 5, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 38163 | $31.33 | 278,041.6900 | 224,800,000 | 15.91% | 0.02% |
| Feb. 4, 2025 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 32910 | $0.00 | 239,878.6900 | 224,800,000 | 15.90% | 0.01% |
| Nov. 27, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 20544 | $34.28 | 206,968.6900 | 226,800,000 | 9.03% | 0.01% |
| Nov. 14, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 21500 | $34.79 | 227,512.6900 | 226,800,000 | 8.63% | 0.01% |
| March 13, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 3000 | $33.00 | 249,012.6900 | 234,400,000 | 1.19% | 0.00% |
| March 5, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 3000 | $31.29 | 252,012.6900 | 234,400,000 | 1.18% | 0.00% |
| Feb. 28, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 5319 | $30.78 | 260,539.6900 | 234,400,000 | 2.00% | 0.00% |
| Feb. 28, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 5527 | $30.78 | 255,012.6900 | 234,400,000 | 2.12% | 0.00% |
| Feb. 6, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 31180 | $0.00 | 217,666.6900 | 234,400,000 | 16.72% | 0.01% |
| Feb. 7, 2024 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 48192 | $33.83 | 265,858.6900 | 234,400,000 | 22.14% | 0.02% |
| June 14, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 5000 | $47.61 | 177,613.5200 | 236,800,000 | 2.74% | 0.00% |
| April 26, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 23370 | $0.00 | 182,613.5200 | 236,800,000 | 14.68% | 0.01% |
| March 3, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 3000 | $51.05 | 159,243.5200 | 236,800,000 | 1.85% | 0.00% |
| Feb. 28, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 3125 | $50.28 | 167,134.5200 | 236,800,000 | 1.84% | 0.00% |
| Feb. 28, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | F | Common Stock | 4891 | $50.28 | 162,243.5200 | 236,800,000 | 2.93% | 0.00% |
| Feb. 14, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | S | Common Stock | 4000 | $50.00 | 170,259.5200 | 236,800,000 | 2.30% | 0.00% |
| Feb. 8, 2023 | BORGWARNER INC | $BWA | Demmerle Stefan | Vice President | A | Common Stock | 22461 | $46.63 | 174,259.5200 | 236,800,000 | 14.80% | 0.01% |