Couling John D
Officer · DLB
As of 2026-09-17, Couling John D has 37 Form 4 transactions on record across 1 company — 30 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 May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $9.6M
- Indirect $0
| DLB | direct | 166,803 sh | $9.6M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | DLB | Sale | 7,667 @ $61.05 | $468K | −6.1% of holding | 118,727 | Form 4 |
| 2026-08-03 | DLB | Sale | 6,884 @ $60.11 | $414K | −5.5% of holding | 118,727 | Form 4 |
| 2026-08-03 | DLB | Sale | 783 @ $59.03 | $46K | −0.6% of holding | 125,611 | Form 4 |
| 2026-07-01 | DLB | Sale | 7,667 @ $53.20 | $408K | −6.1% of holding | 118,727 | Form 4 |
| 2026-06-01 | DLB | Sale | 7,158 @ $55.59 | $398K | −5.7% of holding | 119,235 | Form 4 |
| 2026-06-01 | DLB | Sale | 508 @ $56.16 | $29K | −0.4% of holding | 118,727 | Form 4 |
| 2026-05-05 | DLB | Sale | 6,928 @ $57.47 | $398K | −5.5% of holding | 119,091 | Form 4 |
| 2026-05-05 | DLB | Sale | 738 @ $58.34 | $43K | −0.6% of holding | 118,353 | Form 4 |
| 2026-05-04 | DLB | Sale | 4,688 @ $58.47 | $274K | −3.8% of holding | 118,353 | Form 4 |
| 2026-02-02 | DLB | Sale | 6,667 @ $64.89 | $433K | −5.1% of holding | 123,041 | Form 4 |
| 2025-12-11 | DLB | Sale | 7,273 @ $68.75 | $500K | −6.3% of holding | 108,065 | Form 4 |
| 2025-11-20 | DLB | Sale | 6,164 @ $66.12 | $408K | −5.1% of holding | 115,338 | Form 4 |
| 2025-05-05 | DLB | Sale | 675 @ $75.04 | $51K | −0.6% of holding | 121,151 | Form 4 |
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-15 | DLB | Award / grant | 48,076 | 166,803 | Form 4 |
| 2026-09-01 | DLB | Option exercise | 7,667 | 126,394 | Form 4 |
| 2026-09-01 | DLB | Option exercise | 7,667 | 7,667 | Form 4 |
| 2026-08-03 | DLB | Option exercise | 7,667 | 126,394 | Form 4 |
| 2026-08-03 | DLB | Option exercise | 7,667 | 15,334 | Form 4 |
| 2026-07-01 | DLB | Option exercise | 7,667 | 126,394 | Form 4 |
| 2026-07-01 | DLB | Option exercise | 7,667 | 23,001 | Form 4 |
| 2026-06-01 | DLB | Option exercise | 7,666 | 126,393 | Form 4 |
| 2026-06-01 | DLB | Option exercise | 7,666 | 30,668 | Form 4 |
| 2026-05-05 | DLB | Option exercise | 7,666 | 126,019 | Form 4 |
| 2026-05-05 | DLB | Option exercise | 7,666 | 38,334 | Form 4 |
| 2025-12-16 | DLB | Withheld for tax | 2,612 | 129,708 | Form 4 |
| 2025-12-15 | DLB | Withheld for tax | 8,203 | 132,320 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 25,633 | 133,698 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 56,440 | 56,440 | Form 4 |
| 2025-12-15 | DLB | Option exercise | 6,825 | 0 | Form 4 |
| 2025-12-15 | DLB | Option exercise | 6,825 | 140,523 | Form 4 |
| 2025-12-15 | DLB | Award / grant | 12,816 | 12,816 | Form 4 |
| 2024-12-16 | DLB | Withheld for tax | 11,703 | 121,826 | Form 4 |
| 2024-12-16 | DLB | Option exercise | 5,990 | 0 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 36,446 | 36,446 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 10,366 | 10,366 | Form 4 |
| 2024-12-16 | DLB | Option exercise | 5,990 | 133,529 | Form 4 |
| 2024-12-16 | DLB | Award / grant | 20,733 | 127,539 | 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.