WILLIAM K LIEBERMAN
CIK 1279916 · last filed 2026-05-18
WILLIAM K LIEBERMAN is a corporate insider who has filed 20 SEC Form 4 insider transactions across 2 companies since 2011. The most recent filing, for AP, was dated May 18, 2026. Across all open-market trades the lifetime net is +$66.4K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $295.8K 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.
$295.8K
2
20
$66.4K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AP | Director | 25,000 | $11.83 | $295.8K | $47.9K | 14 | 2026-05-18 |
| AMPCO PITTSBURGH CORP (AP.WS) Delisted | Director | 25,000 | $0.01 | $215 | $18.5K | 6 | 2025-05-15 |
Recent Filings
20 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-18 | AP | Grant (A) | +7,374 | $0 | EDGAR |
| 2025-05-15 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Grant (A) | +12,728 | $0 | EDGAR |
| 2024-05-17 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Grant (A) | +12,728 | $0 | EDGAR |
| 2023-05-18 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Grant (A) | +12,728 | $0 | EDGAR |
| 2022-05-06 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Grant (A) | +12,728 | $0 | EDGAR |
| 2021-05-14 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Grant (A) | +12,196 | $70.0K | EDGAR |
| 2020-09-24 | AMPCO PITTSBURGH CORP (AP.WS) Delisted | Mixed | +23,048 | $94.7K | EDGAR |
| 2020-05-11 | AP | Grant (A) | +10,000 | $30.8K | EDGAR |
| 2019-05-16 | AP | Buy (P) | +2,300 | $9.2K | EDGAR |
| 2019-05-15 | AP | Grant (A) | +10,000 | $31.7K | EDGAR |