Demmerle Stefan Insider Trading Activity
Demmerle Stefan has been net-selling over the last 12 months with 0 purchases and 11 sales across 1 company.
BWA is the most-traded position with 11 trades. The largest single transaction was a sale of BWA for $1.2M on May 8, 2026.
Performance Scorecard
Forward stock performance after each transaction by Demmerle Stefan. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -5.7% | 25% | 8 |
| 90 days | — | -12.7% | 14% | 7 |
| 120 days | — | -11.9% | 0% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersBWA · BORGWARNER INC
🔒 Subscribe to see trade entries
Pro members see exactly when Demmerle Stefan bought and sold BWA.
Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 13, 2026 | BWA | Sell | 5,000 | $65.00 | $325K | President |
| May 11, 2026 | BWA | Sell | 5,000 | $62.00 | $310K | President |
| May 8, 2026 | BWA | Sell | 20,000 | $59.26 | $1.2M | President |
| Mar 10, 2026 | BWA | Sell | 2,500 | $53.03 | $133K | President |
| Nov 12, 2025 | BWA | Sell | 5,000 | $46.00 | $230K | President |
| Nov 11, 2025 | BWA | Sell | 15,000 | $45.52 | $683K | President |
| Sep 5, 2025 | BWA | Sell | 5,000 | $44.00 | $220K | President |
| Aug 13, 2025 | BWA | Sell | 5,000 | $40.50 | $203K | President |
| Aug 12, 2025 | BWA | Sell | 5,000 | $40.04 | $200K | President |
| Aug 12, 2025 | BWA | Sell | 10,000 | $38.95 | $390K | President |
| Aug 4, 2025 | BWA | Sell | 20,000 | $38.17 | $763K | President |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| BWA | BORGWARNER INC | 11 | $4.6M |
Other insiders at BORGWARNER INC
3 other tracked filers at BWA.