Christopher Y. Chai serves as Executive at MAP Pharmaceuticals, Inc., where they oversee executive responsibilities. Since joining the company, Christopher Y. Chai has executed 50 insider transactions totaling $3.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 28, 2020 involved transacting 3,799 shares valued at $379.9K.
Christopher Y. Chai currently holds 11,039 shares of MAP Pharmaceuticals, Inc. (MAPP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Christopher Y. Chai has been a net seller of MAPP stock. They have purchased $0 and sold $3.3M worth of shares.
Christopher Y. Chai's most recent insider trade was on Sep 28, 2020, when they sold 3,799 shares at $100.00 per share.
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| $100.00 |
| Discretionary |
| Aug 18, 2020 | PRNB | $22.5K | Option Exercise | 7,500 | $3.00 | Discretionary |
| Aug 18, 2020 | PRNB | $745.3K | Sale | 7,500 | $99.37 | Discretionary |
| May 19, 2020 | PRNB | $488.3K | Sale | 7,500 | $65.10 | Discretionary |
| May 19, 2020 | PRNB | $17.0K | Option Exercise | 5,675 | $3.00 | Discretionary |
| Feb 18, 2020 | PRNB | $152.6K | Sale | 2,240 | $68.13 | Discretionary |
| Feb 18, 2020 | PRNB | $7.5K | Option Exercise | 2,500 | $3.00 | Discretionary |
| Feb 18, 2020 | PRNB | $171.4K | Sale | 2,684 | $63.86 | Discretionary |
| Feb 18, 2020 | PRNB | $35.4K | Sale | 545 | $64.91 | Discretionary |
| Feb 18, 2020 | PRNB | $89.0K | Sale | 1,350 | $65.94 | Discretionary |
| Feb 18, 2020 | PRNB | $5.2K | Sale | 76 | $68.52 | Discretionary |
| Feb 18, 2020 | PRNB | $40.6K | Sale | 605 | $67.08 | Discretionary |
| Mar 1, 2013 | MAPP | $355.5K | Tender | 14,220 | $25.00 | Discretionary |
| Jan 26, 2013 | MAPP | $21.6K | Payment | 873 | $24.75 | Discretionary |
| Jan 26, 2013 | MAPP | $0 | Option Exercise | 2,250 | $N/A | Discretionary |
| Jan 25, 2013 | MAPP | $0 | Option Exercise | 2,750 | $N/A | Discretionary |
| Jan 25, 2013 | MAPP | $29.9K | Payment | 1,207 | $24.75 | Discretionary |
| Nov 20, 2012 | MAPP | $5.5K | Other | 556 | $9.89 | Discretionary |
| May 20, 2012 | MAPP | $5.4K | Other | 553 | $9.81 | Discretionary |
| Jan 26, 2012 | MAPP | $0 | Option Exercise | 2,250 | $N/A | Discretionary |
| Jan 26, 2012 | MAPP | $13.1K | Payment | 943 | $13.84 | Discretionary |
| Nov 20, 2011 | MAPP | $5.3K | Other | 455 | $11.54 | Discretionary |
| Sep 20, 2011 | MAPP | $23.7K | Option Exercise | 32,000 | $0.74 | Discretionary |
| Sep 20, 2011 | MAPP | $492.2K | Sale | 32,000 | $15.38 | Discretionary |
| May 20, 2011 | MAPP | $5.1K | Other | 405 | $12.65 | Discretionary |
| Nov 20, 2010 | MAPP | $4.8K | Other | 385 | $12.50 | Discretionary |
| Sep 20, 2010 | MAPP | $11.8K | Option Exercise | 16,000 | $0.74 | Discretionary |
| Sep 20, 2010 | MAPP | $224.8K | Sale | 16,000 | $14.05 | Discretionary |
| Jul 21, 2010 | MAPP | $104.0K | Sale | 8,000 | $13.00 | Discretionary |