Campbell C Robert
Director · MTZ
As of 2026-09-16, Campbell C Robert has 12 Form 4 transactions on record across 1 company — 6 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 $7.0M
- Indirect $0
| MTZ | direct | 30,880 sh | $7.0M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-05-04 | MTZ | Sale | 3,000 @ $417.00 | $1.3M | −8.9% of holding | 30,646 | Form 4 |
| 2025-09-29 | MTZ | Sale | 2,000 @ $210.39 | $421K | −5.7% of holding | 33,277 | Form 4 |
| 2025-09-11 | MTZ | Sale | 3,000 @ $190.39 | $571K | −7.8% of holding | 35,277 | Form 4 |
| 2025-05-13 | MTZ | Sale | 2,000 @ $155.00 | $310K | −5.0% of holding | 37,782 | Form 4 |
| 2025-05-12 | MTZ | Sale | 3,000 @ $153.89 | $462K | −7.0% of holding | 39,782 | Form 4 |
7 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | MTZ | Award / grant | 139 | 30,880 | Form 4 |
| 2026-05-15 | MTZ | Award / grant | 95 | 30,741 | Form 4 |
| 2026-02-13 | MTZ | Award / grant | 154 | 33,646 | Form 4 |
| 2025-11-14 | MTZ | Award / grant | 215 | 33,492 | Form 4 |
| 2025-08-15 | MTZ | Award / grant | 232 | 38,277 | Form 4 |
| 2025-05-15 | MTZ | Award / grant | 263 | 38,045 | Form 4 |
| 2025-02-14 | MTZ | Award / grant | 304 | 42,782 | 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.