Gregory Ian Frost serves as Executive at HALOZYME THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, Gregory Ian Frost has executed 433 insider transactions totaling $6.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 28, 2015 involved exercising options for 200,000 shares valued at $4.6M.
Gregory Ian Frost currently holds 300,000 shares of HALOZYME THERAPEUTICS INC (HTI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gregory Ian Frost has been a net seller of HTI stock. They have purchased $2.6M and sold $4.0M worth of shares.
Gregory Ian Frost's most recent insider trade was on May 28, 2015, when they sold 200,000 shares at $22.77 per share.
Get notified when new Form 4 filings are submitted
| $26.04 |
| Discretionary |
| Mar 3, 2014 | XON | $86.1K | Purchase | 3,500 | $24.59 | Discretionary |
| Feb 28, 2014 | XON | $998.3K | Purchase | 38,500 | $25.93 | Discretionary |
| Dec 11, 2013 | HALO | $67.9K | Option Exercise | 33,113 | $2.05 | Discretionary |
| Dec 11, 2013 | HALO | $21.0K | Option Exercise | 10,420 | $2.02 | Discretionary |
| Dec 11, 2013 | HALO | $13.1K | Option Exercise | 6,467 | $2.02 | Discretionary |
| Aug 12, 2013 | HALO | $41.0K | Option Exercise | 20,000 | $2.05 | Discretionary |
| Feb 2, 2013 | HALO | $0 | Option Exercise | 4,737 | $N/A | Discretionary |
| Feb 2, 2013 | HALO | $0 | Option Exercise | 11,312 | $N/A | Discretionary |
| Aug 13, 2012 | HALO | $11.0K | Purchase | 2,000 | $5.50 | Discretionary |
| May 15, 2012 | HALO | $0 | Option Exercise | 16,465 | $N/A | Discretionary |
| Aug 9, 2011 | HALO | $35.0K | Purchase | 6,000 | $5.84 | Discretionary |
| Mar 20, 2008 | HALO | $1.4M | Sale | 230,000 | $6.06 | Discretionary |
| Mar 19, 2008 | HALO | $275.2K | Option Exercise | 639,902 | $0.43 | Discretionary |
| Mar 19, 2008 | HALO | $173.6K | Payment | 28,642 | $6.06 | Discretionary |
| Dec 20, 2007 | HALO | $64.0K | Sale | 9,137 | $7.00 | Discretionary |
| Dec 20, 2007 | HALO | $4.2K | Payment | 599 | $6.98 | Discretionary |
| Dec 20, 2007 | HALO | $4.2K | Option Exercise | 9,736 | $0.43 | Discretionary |
| Dec 11, 2007 | HALO | $18.4K | Payment | 2,760 | $6.66 | Discretionary |
| Dec 11, 2007 | HALO | $18.4K | Option Exercise | 42,760 | $0.43 | Discretionary |
| Nov 21, 2007 | HALO | $1.3K | Sale | 166 | $7.56 | Discretionary |
| Nov 21, 2007 | HALO | $2.3K | Sale | 300 | $7.55 | Discretionary |
| Nov 21, 2007 | HALO | $2.3K | Sale | 300 | $7.51 | Discretionary |
| Nov 21, 2007 | HALO | $6.3K | Sale | 834 | $7.54 | Discretionary |
| Nov 21, 2007 | HALO | $4.6K | Option Exercise | 10,603 | $0.43 | Discretionary |
| Nov 21, 2007 | HALO | $782 | Sale | 100 | $7.82 | Discretionary |
| Nov 21, 2007 | HALO | $3.1K | Sale | 400 | $7.81 | Discretionary |
| Nov 21, 2007 | HALO | $2.3K | Sale | 300 | $7.78 | Discretionary |
| Nov 21, 2007 | HALO | $2.3K | Sale | 300 | $7.77 | Discretionary |