Kumbier Michelle (CIK 1640036) reported 10 SEC Form 4 insider transactions across 4 companies over the past 18 months (most recent 2026-07-27). Recent activity: Buy RYZ (97 shares), Buy ABT (2,286 shares), Buy TDY (319 shares), Buy RYZ (389 shares), Buy RYI (347 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-27 | Ryerson Holding Corp (RYZ) | Director | Buy | 97 | $0 |
| 2026-04-28 | ABBOTT LABORATORIES (ABT) | Director | Buy | 2,286 | $0 |
| 2026-04-23 | TELEDYNE TECHNOLOGIES INC (TDY) | Director | Buy | 319 | $0 |
| 2026-04-13 | Ryerson Holding Corp (RYZ) | Director | Buy | 389 | $0 |
| 2026-01-06 | Ryerson Holding Corp (RYI) | Director | Buy | 347 | $0 |
| 2025-10-02 | Ryerson Holding Corp (RYI) | Director | Buy | 382 | $0 |
| 2025-07-02 | Ryerson Holding Corp (RYI) | Director | Buy | 405 | $0 |
| 2025-04-29 | ABBOTT LABORATORIES (ABT) | Director | Buy | 1,635 | $0 |
| 2025-04-25 | TELEDYNE TECHNOLOGIES INC (TDY) | Director | Buy | 468 | $0 |
| 2025-04-03 | Ryerson Holding Corp (RYI) | Director | Buy | 381 | $0 |
Source: SEC Form 4 filings · as of 2026-07-27