SHERMAN MARK ANDREW
Officer · DLB
As of 2026-09-16, SHERMAN MARK ANDREW has 29 Form 4 transactions on record across 1 company — 13 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 December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $4.1M
- Indirect $0
| DLB | direct | 70,563 sh | $4.1M |
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 |
|---|---|---|---|---|---|---|---|
| 2025-12-17 | DLB | Sale | 2,491 @ $67.26 | $168K | −3.4% of holding | 70,563 | Form 4 |
| 2025-12-16 | DLB | Sale | 6,738 @ $66.58 | $449K | −8.2% of holding | 75,425 | Form 4 |
| 2025-12-16 | DLB | Sale | 2,371 @ $67.17 | $159K | −3.1% of holding | 73,054 | Form 4 |
| 2025-12-01 | DLB | Sale | 4,500 @ $67.56 | $304K | −6.7% of holding | 62,397 | Form 4 |
| 2025-06-04 | DLB | Sale | 15,000 @ $75.02 | $1.1M | −19.4% of holding | 62,397 | Form 4 |
| 2025-05-30 | DLB | Sale | 350 @ $74.97 | $26K | −0.6% of holding | 62,397 | Form 4 |
| 2025-01-30 | DLB | Sale | 25,000 @ $86.00 | $2.2M | −28.6% of holding | 62,397 | Form 4 |
| 2025-01-30 | DLB | Sale | 15,000 @ $83.00 | $1.2M | −14.6% of holding | 87,397 | Form 4 |
| 2024-12-17 | DLB | Sale | 7,713 @ $78.22 | $603K | −11.0% of holding | 62,397 | Form 4 |
| 2024-12-17 | DLB | Sale | 4,625 @ $77.83 | $360K | −6.2% of holding | 70,110 | Form 4 |
19 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2025-12-16 | DLB | Withheld for tax | 2,530 | 82,163 | Form 4 |
| 2025-12-15 | DLB | Withheld for tax | 9,252 | 84,693 | Form 4 |
| 2025-12-15 | DLB | Option exercise | 5,915 | 93,945 | Form 4 |
| 2025-12-15 | DLB | Option exercise | 5,915 | 0 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 56,440 | 56,440 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 12,816 | 12,816 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 25,633 | 88,030 | Form 4 |
| 2025-12-01 | DLB | Option exercise | 4,500 | 66,897 | Form 4 |
| 2025-12-01 | DLB | Option exercise | 4,500 | 0 | Form 4 |
| 2025-06-04 | DLB | Option exercise | 15,000 | 77,397 | Form 4 |
| 2025-06-04 | DLB | Option exercise | 15,000 | 4,500 | Form 4 |
| 2025-01-30 | DLB | Option exercise | 40,000 | 102,397 | Form 4 |
| 2025-01-30 | DLB | Option exercise | 40,000 | 16,000 | Form 4 |
| 2024-12-16 | DLB | Withheld for tax | 8,867 | 74,735 | Form 4 |
| 2024-12-16 | DLB | Option exercise | 5,192 | 83,602 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 35,307 | 35,307 | Form 4 |
| 2024-12-16 | DLB | Option exercise | 5,192 | 0 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 10,042 | 10,042 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 20,085 | 78,410 | 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.