10 insiders reported 42 Form 4 transactions for OPPENHEIMER HOLDINGS INC (OPY) over the past 18 months (most recent 2026-03-03). Recent activity: Glasser Teresa (Director) Buy 1,400 shares, McNAMARA DENNIS P (Secretary) Sell 4,673 shares, ROTH R LAWRENCE (Director) Buy 1,400 shares, Spaulding Suzanne (Director) Buy 1,400 shares, BEHRENS EVAN (Director) Buy 1,400 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-03 | Glasser Teresa | Director | Buy | 1,400 | $0 |
| 2026-03-03 | McNAMARA DENNIS P | Secretary | Sell | 4,673 | $423,701 |
| 2026-03-03 | ROTH R LAWRENCE | Director | Buy | 1,400 | $0 |
| 2026-02-27 | Spaulding Suzanne | Director | Buy | 1,400 | $0 |
| 2026-02-27 | BEHRENS EVAN | Director | Buy | 1,400 | $0 |
| 2026-02-27 | Kanter Stacy J. | Director | Buy | 1,400 | $0 |
| 2026-02-27 | Friedman Paul M | Director | Buy | 1,400 | $0 |
| 2026-02-27 | Dwyer Timothy Martin | Director | Buy | 1,400 | $0 |
| 2026-02-09 | Lowenthal Robert S | CEO | Buy | 12 | $761 |
| 2026-02-09 | LOWENTHAL ALBERT G | Chairman | Buy | 47 | $2,978 |
| 2026-02-09 | LOWENTHAL ALBERT G | Chairman | Buy | 42 | $2,987 |
| 2026-02-09 | LOWENTHAL ALBERT G | Chairman | Buy | 44 | $2,995 |
| 2026-02-09 | LOWENTHAL ALBERT G | Chairman | Buy | 46 | $2,970 |
| 2026-02-09 | Lowenthal Robert S | CEO | Buy | 12 | $763 |
| 2026-02-09 | Lowenthal Robert S | CEO | Buy | 11 | $765 |
| 2026-02-09 | Lowenthal Robert S | CEO | Buy | 11 | $767 |
| 2026-01-29 | McNAMARA DENNIS P | Secretary | Buy | 3,084 | $0 |
| 2026-01-29 | Spaulding Suzanne | Director | Buy | 3,000 | $0 |
| 2026-01-29 | Lowenthal Robert S | Director | Buy | 35,505 | $0 |
| 2026-01-29 | LOWENTHAL ALBERT G | CEO | Buy | 55,725 | $0 |
| 2025-08-06 | McNAMARA DENNIS P | Secretary | Sell | 2,000 | $147,620 |
| 2025-06-10 | Friedman Paul M | Director | Sell | 3,500 | $221,620 |
| 2025-06-10 | Friedman Paul M | Director | Sell | 3,500 | $221,585 |
| 2025-06-09 | Friedman Paul M | Director | Sell | 3,000 | $189,330 |
| 2025-02-07 | LOWENTHAL ALBERT G | CEO | Buy | 61 | $2,442 |
Source: SEC Form 4 filings · as of 2026-03-03