Timothy J O'Shaughnessy
CIK 1621362 · President and CEO · last filed 2026-05-28
Timothy J O'Shaughnessy is a President and CEO who has filed 23 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for GHC, was dated May 28, 2026. Across all open-market trades the lifetime net is +$3.1M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $31.8M 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.
$31.81M
1
23
$3.07M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| GHC | President and CEO | 27,087 | $1174.18 | $31.81M | $3.07M | 23 | 2026-05-28 |
Recent Filings
23 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-28 | GHC | Other (J) | −6,000 | $0 | EDGAR |
| 2025-11-13 | GHC | Mixed | +743 | -$810.7K | EDGAR |
| 2025-10-09 | GHC | Other (J) | −2,800 | $0 | EDGAR |
| 2025-09-30 | GHC | Mixed | +1,012 | -$1.21M | EDGAR |
| 2025-08-22 | GHC | Mixed | +702 | -$755.3K | EDGAR |
| 2024-11-05 | GHC | Mixed | +1,896 | -$1.61M | EDGAR |
| 2024-10-17 | GHC | Mixed | +1,626 | -$1.34M | EDGAR |
| 2024-09-25 | GHC | Mixed | +1,340 | -$1.02M | EDGAR |
| 2023-07-07 | GHC | Exer (M) | +2,060 | $879.3K | EDGAR |
| 2023-03-08 | GHC | Exer (M) | +1,000 | $426.9K | EDGAR |