Johnston James David
Officer · SMC
As of 2026-09-16, Johnston James David has 34 Form 4 transactions on record across 1 company — 19 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.
Reconstructed holdings
- Direct $2.5M
- Indirect $0
| SMC | direct | 75,357 sh | $2.5M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-02 | SMC | Sale | 2,600 @ $29.72 | $77K | −3.3% of holding | 75,357 | Form 4 |
| 2024-12-12 | SMC | Sale | 20,000 @ $36.20 | $724K | −41.5% of holding | 28,201 | Form 4 |
32 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-16 | SMC | Award / grant | 17,544 | 73,838 | Form 4 |
| 2026-03-16 | SMC | Award / grant | 17,544 | 90,734 | Form 4 |
| 2026-03-13 | SMC | Withheld for tax | 7,468 | 69,196 | Form 4 |
| 2026-03-13 | SMC | Withheld for tax | 3,854 | 77,957 | Form 4 |
| 2026-03-13 | SMC | Withheld for tax | 1,831 | 72,018 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 18,977 | 70,740 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 4,653 | 66,087 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 9,793 | 56,294 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 18,977 | 76,664 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 9,793 | 81,811 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 4,653 | 73,849 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 18,977 | 76,664 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 9,793 | 81,811 | Form 4 |
| 2026-03-13 | SMC | Option exercise | 4,653 | 73,849 | Form 4 |
| 2026-01-16 | SMC | Withheld for tax | 2,923 | 57,687 | Form 4 |
| 2026-01-16 | SMC | Option exercise | 10,794 | 89,717 | Form 4 |
| 2026-01-16 | SMC | Option exercise | 10,794 | 60,610 | Form 4 |
| 2026-01-16 | SMC | Option exercise | 10,794 | 60,610 | Form 4 |
| 2025-03-15 | SMC | Withheld for tax | 3,395 | 49,816 | Form 4 |
| 2025-03-15 | SMC | Withheld for tax | 1,350 | 40,379 | Form 4 |
| 2025-03-15 | SMC | Withheld for tax | 979 | 43,418 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 5,544 | 114,322 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 9,793 | 100,511 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 4,018 | 110,304 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 4,018 | 44,397 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 4,018 | 44,397 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 9,793 | 53,211 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 5,544 | 41,729 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 5,544 | 41,729 | Form 4 |
| 2025-03-15 | SMC | Option exercise | 9,793 | 53,211 | Form 4 |
| 2025-03-14 | SMC | Award / grant | 13,958 | 119,866 | Form 4 |
| 2025-03-14 | SMC | Award / grant | 13,958 | 105,908 | 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.