Sandercock Brett
Officer · RMD
As of 2026-09-16, Sandercock Brett has 31 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 April in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $19.1M
- Indirect $0
| RMD | direct | 83,495 sh | $19.1M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-01 | RMD | Sale | 1,000 @ $224.31 | $224K | −1.2% of holding | 83,495 | Form 4 |
| 2026-03-02 | RMD | Sale | 1,000 @ $254.30 | $254K | −1.2% of holding | 84,495 | Form 4 |
| 2026-02-02 | RMD | Sale | 1,000 @ $257.03 | $257K | −1.2% of holding | 85,495 | Form 4 |
| 2026-01-02 | RMD | Sale | 1,000 @ $241.75 | $242K | −1.1% of holding | 86,495 | Form 4 |
| 2025-12-01 | RMD | Sale | 1,000 @ $244.16 | $244K | −1.1% of holding | 87,495 | Form 4 |
| 2025-11-03 | RMD | Sale | 3,000 @ $247.54 | $743K | −3.4% of holding | 85,745 | Form 4 |
| 2025-10-01 | RMD | Sale | 3,000 @ $274.36 | $823K | −3.3% of holding | 86,745 | Form 4 |
| 2025-09-02 | RMD | Sale | 3,000 @ $270.77 | $812K | −3.3% of holding | 87,745 | Form 4 |
| 2025-08-01 | RMD | Sale | 3,000 @ $281.90 | $846K | −3.5% of holding | 83,283 | Form 4 |
| 2025-07-01 | RMD | Sale | 3,883 @ $256.99 | $998K | −4.4% of holding | 84,283 | Form 4 |
| 2025-06-02 | RMD | Sale | 1,000 @ $243.78 | $244K | −1.2% of holding | 85,283 | Form 4 |
| 2025-05-22 | RMD | Sale | 3,644 @ $244.59 | $891K | −4.1% of holding | 86,283 | Form 4 |
| 2025-04-08 | RMD | Sale | 1,000 @ $215.58 | $216K | −1.1% of holding | 89,864 | Form 4 |
| 2025-03-10 | RMD | Sale | 1,000 @ $230.36 | $230K | −1.1% of holding | 90,864 | Form 4 |
| 2025-02-10 | RMD | Sale | 1,000 @ $238.98 | $239K | −1.1% of holding | 91,864 | Form 4 |
| 2025-01-08 | RMD | Sale | 1,000 @ $234.04 | $234K | −1.1% of holding | 92,864 | Form 4 |
| 2024-12-09 | RMD | Sale | 1,000 @ $244.23 | $244K | −1.1% of holding | 93,864 | Form 4 |
14 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2025-11-20 | RMD | Award / grant | 2,710 | 88,495 | Form 4 |
| 2025-11-03 | RMD | Option exercise | 2,000 | 88,745 | Form 4 |
| 2025-11-03 | RMD | Option exercise | 2,000 | 0 | Form 4 |
| 2025-10-01 | RMD | Option exercise | 2,000 | 89,745 | Form 4 |
| 2025-10-01 | RMD | Option exercise | 2,000 | 2,000 | Form 4 |
| 2025-09-02 | RMD | Option exercise | 2,000 | 90,745 | Form 4 |
| 2025-09-02 | RMD | Option exercise | 2,000 | 4,000 | Form 4 |
| 2025-08-15 | RMD | Award / grant | 5,462 | 88,745 | Form 4 |
| 2025-08-01 | RMD | Option exercise | 2,000 | 86,283 | Form 4 |
| 2025-08-01 | RMD | Option exercise | 2,000 | 6,000 | Form 4 |
| 2025-07-01 | RMD | Option exercise | 1,966 | 87,249 | Form 4 |
| 2025-07-01 | RMD | Option exercise | 917 | 88,166 | Form 4 |
| 2025-07-01 | RMD | Option exercise | 917 | 8,000 | Form 4 |
| 2025-07-01 | RMD | Option exercise | 1,966 | 8,917 | 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.