Martin D. Madaus serves as Executive at MILLIPORE CORP /MA, where they oversee executive responsibilities. Since joining the company, Martin D. Madaus has executed 208 insider transactions totaling $6.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 5, 2026 involved receiving (via award) 5,663 shares valued at $0.
Martin D. Madaus currently holds 9,703 shares of MILLIPORE CORP /MA (MIL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martin D. Madaus has been a net seller of MIL stock. They have purchased $1.4M and sold $5.2M worth of shares.
Martin D. Madaus's most recent insider trade was on Feb 5, 2026, when they sold 5,663 shares at $0.00 per share.
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| $125.46 |
| Discretionary |
| Jun 14, 2024 | RGEN | $114.0K | Purchase | 915 | $124.54 | Discretionary |
| May 16, 2024 | RGEN | $0 | Award | 701 | $N/A | Discretionary |
| Feb 12, 2024 | AZTA | $162.5K | Award | 2,465 | $65.93 | Discretionary |
| Jan 2, 2024 | QTRX | $0 | Award | 2,947 | $N/A | Discretionary |
| Oct 20, 2023 | LAB | $4.0K | Award | 1,574 | $2.54 | Discretionary |
| Jun 14, 2023 | LAB | $0 | Award | 26,376 | $N/A | Discretionary |
| May 18, 2023 | RGEN | $0 | Award | 686 | $N/A | Discretionary |
| May 8, 2023 | RGEN | $78.1K | Purchase | 500 | $156.18 | Discretionary |
| May 5, 2023 | RGEN | $79.6K | Purchase | 500 | $159.19 | Discretionary |
| May 4, 2023 | RGEN | $80.6K | Purchase | 500 | $161.15 | Discretionary |
| Mar 24, 2023 | RGEN | $2.0K | Small Acquisition | 11 | $186.22 | Discretionary |
| Feb 20, 2023 | LAB | $0 | Award | 29,665 | $N/A | Discretionary |
| Feb 6, 2023 | RGEN | $0 | Award | 111 | $N/A | Discretionary |
| Jan 3, 2023 | QTRX | $0 | Award | 8,083 | $N/A | Discretionary |
| Aug 10, 2022 | QTRX | $755.9K | Purchase | 89,667 | $8.43 | Discretionary |
| Jun 15, 2022 | LAB | $0 | Award | 30,914 | $N/A | Discretionary |
| Apr 4, 2022 | LAB | $0 | Award | 15,852 | $N/A | Discretionary |
| Jan 3, 2022 | QTRX | $18.1K | Award | 427 | $42.41 | Discretionary |
| Jan 3, 2022 | QTRX | $0 | Award | 2,668 | $N/A | Discretionary |
| Oct 1, 2021 | QTRX | $18.1K | Award | 354 | $51.18 | Discretionary |
| Jul 1, 2021 | QTRX | $18.1K | Award | 304 | $59.48 | Discretionary |
| Apr 1, 2021 | QTRX | $18.1K | Award | 294 | $61.45 | Discretionary |
| Jan 4, 2021 | QTRX | $0 | Award | 2,270 | $N/A | Discretionary |
| Jan 4, 2021 | QTRX | $18.1K | Award | 410 | $44.11 | Discretionary |
| Nov 5, 2020 | QTRX | $3.1K | Option Exercise | 1,372 | $2.28 | Discretionary |
| Nov 5, 2020 | QTRX | $58.2K | Sale | 1,372 | $42.45 | Discretionary |
| Nov 4, 2020 | QTRX | $63.0K | Sale | 1,600 | $39.40 | Discretionary |
| Nov 4, 2020 | QTRX | $3.6K | Option Exercise | 1,600 | $2.28 | Discretionary |