Joseph D. Keegan serves as Executive at MOLECULAR DEVICES CORP, where they oversee executive responsibilities. Since joining the company, Joseph D. Keegan has executed 78 insider transactions totaling $2.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 30, 2025 involved receiving (via award) 1,640 shares valued at $0.
Joseph D. Keegan currently holds 15,411 shares of MOLECULAR DEVICES CORP (MDCC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Joseph D. Keegan has been a net seller of MDCC stock. They have purchased $0 and sold $2.7M worth of shares.
Joseph D. Keegan's most recent insider trade was on Oct 30, 2025, when they sold 1,640 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Oct 27, 2022 | TECH | $0 | Award | 338 | $N/A | Discretionary |
| Oct 28, 2021 | TECH | $0 | Award | 194 | $N/A | Discretionary |
| Oct 29, 2020 | TECH | $0 | Award | 391 | $N/A | Discretionary |
| Oct 24, 2019 | TECH | $0 | Award | 495 | $N/A | Discretionary |
| Oct 25, 2018 | TECH | $0 | Award | 514 | $N/A | Discretionary |
| Mar 7, 2018 | IDGX | $0 | Award | 4,800 | $N/A | Discretionary |
| Oct 26, 2017 | TECH | $0 | Award | 739 | $N/A | Discretionary |
| Nov 29, 2016 | RBM | $0 | Disposition | 73,850 | $N/A | Discretionary |
| May 24, 2016 | STXS | $0 | Award | 10,000 | $N/A | Discretionary |
| Mar 24, 2016 | RBM | $0 | Award | 27,941 | $N/A | Discretionary |
| Feb 3, 2016 | IDXG | $60.0K | Award | 127,696 | $0.47 | Discretionary |
| Jun 2, 2015 | STXS | $0 | Award | 10,000 | $N/A | Discretionary |
| May 19, 2015 | RBM | $0 | Award | 7,291 | $N/A | Discretionary |
| Mar 19, 2015 | RBM | $0 | Award | 6,250 | $N/A | Discretionary |
| Jun 10, 2014 | STXS | $0 | Award | 10,000 | $N/A | Discretionary |
| Mar 20, 2014 | RBM | $0 | Award | 8,518 | $N/A | Discretionary |
| Mar 20, 2014 | RBM | $0 | Award | 6,791 | $N/A | Discretionary |
| Jun 5, 2013 | STXS | $0 | Award | 10,000 | $N/A | Discretionary |
| Aug 22, 2012 | STXS | $0 | Award | 9,559 | $N/A | Discretionary |
| Jan 3, 2012 | STXS | $0 | Award | 17,647 | $N/A | Discretionary |
| May 25, 2011 | STXS | $0 | Award | 2,700 | $N/A | Discretionary |
| Mar 26, 2007 | MDCC | $478.0K | Option Exercise | 25,000 | $19.12 | Discretionary |
| Mar 26, 2007 | MDCC | $887.5K | Disposition | 25,000 | $35.50 | Discretionary |
| Mar 26, 2007 | MDCC | $1.3M | Option Exercise | 50,000 | $26.62 | Discretionary |
| Mar 26, 2007 | MDCC | $1.8M | Disposition | 50,000 | $35.50 | Discretionary |
| Mar 26, 2007 | MDCC | $1.4M | Option Exercise | 60,000 | $22.95 | Discretionary |
| Mar 26, 2007 | MDCC | $2.1M | Disposition | 60,000 | $35.50 | Discretionary |
| Mar 26, 2007 | MDCC | $1.2M | Option Exercise | 60,000 | $20.20 | Discretionary |