Madaus Martin D (CIK 1310268) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-18). Recent activity: Buy RGEN (995 shares), Sell HOLX (5,396 shares), Sell HOLX (5,445 shares), Buy HOLX (3,190 shares), Buy RGEN (1,800 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | REPLIGEN CORP (RGEN) | Director | Buy | 995 | $0 |
| 2026-04-09 | HOLOGIC INC (HOLX) | Director | Sell | 5,396 | $0 |
| 2026-04-09 | HOLOGIC INC (HOLX) | Director | Sell | 5,445 | $0 |
| 2026-03-02 | HOLOGIC INC (HOLX) | Director | Buy | 3,190 | $0 |
| 2025-08-12 | REPLIGEN CORP (RGEN) | Director | Buy | 1,800 | $201,834 |
| 2025-05-19 | REPLIGEN CORP (RGEN) | Director | Buy | 973 | $0 |
| 2025-05-09 | HOLOGIC INC (HOLX) | Director | Buy | 5,445 | $300,782 |
| 2025-02-28 | HOLOGIC INC (HOLX) | Director | Buy | 1,864 | $0 |
Source: SEC Form 4 filings · as of 2026-05-18