Brian Taylor Slingsby
CIK 1963901 · last filed 2026-02-20
Brian Taylor Slingsby is a corporate insider who has filed 8 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing, for MLYS, was dated Feb 20, 2026. Across all open-market trades the lifetime net is −$86.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $186.8M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$186.84M
1
8
-$86.06M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MLYS | Director | 7,910,038 | $23.62 | $186.84M | -$86.06M | 8 | 2026-02-20 |
Recent Filings
8 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-20 | MLYS | Mixed | +6,200 | $0 | EDGAR |
| 2025-11-21 | MLYS | Sell (S) | −2,000,000 | -$86.70M | EDGAR |
| 2025-04-25 | MLYS | Buy (P) | +518,518 | $7.00M | EDGAR |
| 2025-02-24 | MLYS | Mixed | — | $0 | EDGAR |
| 2024-07-26 | MLYS | Sell (S) | −1,100,000 | -$14.36M | EDGAR |
| 2023-07-14 | MLYS | Other (J) | — | $0 | EDGAR |
| 2023-02-16 | MLYS | Mixed | +9,128,186 | $8.00M | EDGAR |
| 2023-02-13 | MLYS | Grant (A) | — | $0 | EDGAR |