Richard Christopher serves as Executive at DUSA PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Richard Christopher has executed 44 insider transactions totaling $266.5K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 29, 2025 involved purchasing 15,000 shares valued at $13.7K.
Richard Christopher currently holds 65,000 shares of DUSA PHARMACEUTICALS INC (DUSA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard Christopher has been a net seller of DUSA stock. They have purchased $13.7K and sold $252.8K worth of shares.
Richard Christopher's most recent insider trade was on Jul 29, 2025, when they purchased 15,000 shares at $0.91 per share.
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| $N/A |
| Discretionary |
| Sep 25, 2019 | NVIV | $0 | Award | 47,500 | $N/A | Discretionary |
| Dec 5, 2018 | ICAD | $20.0K | Payment | 4,909 | $4.08 | Discretionary |
| Mar 30, 2018 | ICAD | $179.7K | Award | 58,333 | $3.08 | Discretionary |
| Mar 30, 2018 | ICAD | $20.7K | Payment | 6,735 | $3.08 | Discretionary |
| Mar 22, 2018 | ICAD | $0 | Award | 25,000 | $N/A | Discretionary |
| Dec 5, 2017 | ICAD | $19.0K | Payment | 5,409 | $3.52 | Discretionary |
| May 4, 2017 | ICAD | $0 | Award | 1,574 | $N/A | Discretionary |
| Dec 5, 2016 | ICAD | $0 | Award | 50,000 | $N/A | Discretionary |
| Dec 20, 2012 | DUSA | $1.7M | Tender | 209,150 | $8.00 | Discretionary |
| Dec 20, 2012 | DUSA | $534.9K | Tender | 66,862 | $8.00 | Discretionary |
| Nov 13, 2012 | DUSA | $12.0K | Option Exercise | 7,500 | $1.60 | Discretionary |
| May 9, 2012 | DUSA | $6.3K | Payment | 1,030 | $6.13 | Discretionary |
| Mar 13, 2012 | DUSA | $17.5K | Payment | 2,980 | $5.86 | Discretionary |
| Mar 8, 2012 | DUSA | $0 | Award | 130,000 | $N/A | Discretionary |
| Mar 7, 2012 | DUSA | $31.2K | Payment | 5,151 | $6.05 | Discretionary |
| Mar 5, 2012 | DUSA | $15.5K | Payment | 3,329 | $4.65 | Discretionary |
| May 12, 2011 | DUSA | $29.5K | Sale | 5,000 | $5.90 | Discretionary |
| May 12, 2011 | DUSA | $295 | Sale | 50 | $5.89 | Discretionary |
| May 12, 2011 | DUSA | $29.6K | Sale | 5,000 | $5.91 | Discretionary |
| May 12, 2011 | DUSA | $14.8K | Sale | 2,500 | $5.91 | Discretionary |
| May 12, 2011 | DUSA | $89.1K | Sale | 15,000 | $5.94 | Discretionary |
| May 12, 2011 | DUSA | $1.8K | Sale | 300 | $5.95 | Discretionary |
| May 12, 2011 | DUSA | $10.7K | Sale | 1,800 | $5.96 | Discretionary |
| May 12, 2011 | DUSA | $26.3K | Sale | 4,400 | $5.97 | Discretionary |
| May 12, 2011 | DUSA | $3.0K | Sale | 500 | $5.98 | Discretionary |
| May 12, 2011 | DUSA | $41.3K | Sale | 6,900 | $5.98 | Discretionary |
| May 12, 2011 | DUSA | $1.8K | Sale | 300 | $5.98 | Discretionary |
| May 12, 2011 | DUSA | $599 | Sale | 100 | $5.99 | Discretionary |