Demmerle Stefan
Officer · BWA
As of 2026-09-16, Demmerle Stefan has 20 Form 4 transactions on record across 1 company — 12 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $12.6M
- Indirect $0
| BWA | direct | 202,746 sh | $12.6M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | BWA | Sale | 1,000 @ $70.00 | $70K | −0.5% of holding | 202,746 | Form 4 |
| 2026-05-13 | BWA | Sale | 5,000 @ $65.00 | $325K | −2.4% of holding | 203,746 | Form 4 |
| 2026-05-11 | BWA | Sale | 5,000 @ $62.00 | $310K | −2.3% of holding | 208,746 | Form 4 |
| 2026-05-08 | BWA | Sale | 20,000 @ $59.26 | $1.2M | −8.6% of holding | 213,746 | Form 4 |
| 2026-03-10 | BWA | Sale | 2,500 @ $53.03 | $133K | −1.1% of holding | 233,746 | Form 4 |
| 2025-11-12 | BWA | Sale | 5,000 @ $46.00 | $230K | −2.4% of holding | 204,040 | Form 4 |
| 2025-11-11 | BWA | Sale | 15,000 @ $45.52 | $683K | −6.7% of holding | 209,040 | Form 4 |
| 2025-09-05 | BWA | Sale | 5,000 @ $44.00 | $220K | −2.2% of holding | 224,040 | Form 4 |
| 2025-08-13 | BWA | Sale | 5,000 @ $40.50 | $203K | −2.1% of holding | 229,040 | Form 4 |
| 2025-08-12 | BWA | Sale | 10,000 @ $38.95 | $390K | −4.1% of holding | 234,040 | Form 4 |
| 2025-08-12 | BWA | Sale | 5,000 @ $40.04 | $200K | −2.0% of holding | 244,040 | Form 4 |
| 2025-08-04 | BWA | Sale | 20,000 @ $38.17 | $763K | −7.4% of holding | 249,040 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-02-28 | BWA | Withheld for tax | 12,972 | 236,246 | Form 4 |
| 2026-02-28 | BWA | Award / grant | 953 | 249,218 | Form 4 |
| 2026-02-04 | BWA | Withheld for tax | 24,401 | 248,265 | Form 4 |
| 2026-02-04 | BWA | Award / grant | 55,689 | 272,666 | Form 4 |
| 2026-02-03 | BWA | Award / grant | 22,610 | 223,954 | Form 4 |
| 2025-02-28 | BWA | Withheld for tax | 5,758 | 266,965 | Form 4 |
| 2025-02-28 | BWA | Withheld for tax | 5,319 | 272,723 | Form 4 |
| 2025-02-05 | BWA | Award / grant | 38,163 | 278,042 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.