Company · CIK 0001159036 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
HALOZYME THERAPEUTICS, INC. · HALO
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 18, 2015 SForm 4 → | Jun 22, 5:04 pm EDT | Kenneth J KelleyDirector | 20,000 | $21.00 | $420,000 | 198,051 | −9.17% | plan? |
| Jun 5, 2015 MForm 4 → | Jun 9, 5:00 pm EDT | Kenneth J KelleyDirector | 10,000 | $4.94 | $49,400 | 218,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 8, 10:33 am EDT | Randal J KirkDirector, 10% Owner | 13,175 | — | — | 3,518,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 7, 3:52 pm EDT | Kathryn E FalbergDirector | 13,175 | — | — | 318,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 7, 3:51 pm EDT | Connie MatsuiDirector | 13,175 | — | — | 183,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 7, 3:50 pm EDT | Kenneth J KelleyDirector | 13,175 | — | — | 208,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 7, 3:47 pm EDT | Matthew L. PosardDirector | 13,175 | — | — | 58,051 | — | plan? |
| May 6, 2015 AForm 4 → | May 7, 3:45 pm EDT | Jean-Pierre BizzariDirector | 13,175 | — | — | 16,612 | — | plan? |
| Mar 5, 2015 SForm 4 → | Mar 9, 5:00 pm EDT | Kenneth J KelleyDirector | 40,000 | $15.33 | $613,380 | 194,876 | −17.0% | plan? |
| Feb 6, 2015 FMForm 4 → | Feb 6, 7:52 pm EST | David A RamsayVP and Chief Financial Officer | 9,748 | $13.87 | $36,894 | 364,320 | — | plan? |
| Feb 2, 2015 MForm 4 → | Feb 4, 4:55 pm EST | David A RamsayVP and Chief Financial Officer | 5,338 | — | — | 359,892 | — | plan? |
| Jan 29, 2015 WForm 4 → | Mar 5, 12:54 pm EST | Kenneth J KelleyDirector | 40,000 | — | — | 234,876 | — | plan? late amended |
| Jan 17, 2015 AForm 4 → | Jan 21, 4:53 pm EST | Jean-Pierre BizzariDirector | 3,437 | — | — | 3,437 | — | plan? |
| Jan 6, 2015 FMForm 4 → | Jan 6, 7:23 pm EST | Helen TorleyPresident and CEO, Director | 41,919 | $10.06 | $119,905 | 68,081 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 MForm 4 → | Sep 11, 8:35 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $18.41 | $1,104,600 | 81,552 | — | 10b5-1 |
| Sep 1, 2026 AForm 4 → | Sep 2, 4:59 pm EDT | Dannielle AppelhansDirector | 1,778 | — | — | 1,778 | — | |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:01 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $18.41 | $1,104,600 | 141,552 | — | 10b5-1 |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:19 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 1,923 | $12.07 | $23,211 | 0 | — | 10b5-1 |
| Jul 1, 2026 AForm 4 → | Jul 2, 4:44 pm EDT | Darren SnellgroveSVP, Chief Financial Officer | 168,986 | — | — | 127,432 | — | |
| Jun 30, 2026 AMForm 4 → | Jul 2, 4:45 pm EDT | David A RamsayEVP, PRESIDENT, DRUG DELIVERY | 66,055 | — | — | 39,823 | — | |
| Jun 29, 2026 MForm 4 → | Jun 30, 5:25 pm EDT | Mahesh KrishnanDirector | 7,304 | — | — | 1,500 | — | 10b5-1 |
| Jun 12, 2026 MForm 4 → | Jun 15, 4:09 pm EDT | Mark Howard SnyderSVP, CHIEF LEGAL OFFICER | 5,034 | — | — | 10,068 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 8:06 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 50,000 | $12.07 | $603,500 | 1,923 | — | 10b5-1 |
| Feb 22, 2019 MForm 4 → | Feb 22, 7:04 pm EST | Dimitrios ChondrosSVP, Chief Medical Officer | 3,884 | — | — | 7,767 | — | |
| Feb 22, 2019 MForm 4 → | Feb 22, 7:03 pm EST | Harry J LeonhardtSVP, GC | 11,392 | — | — | 22,784 | — | |
| Feb 22, 2019 MForm 4 → | Feb 22, 7:03 pm EST | Laurie StelzerSVP, Chief Financial Officer | 11,392 | — | — | 22,784 | — | |
| Feb 22, 2019 MForm 4 → | Feb 22, 7:02 pm EST | Helen TorleyPresident and CEO, Director | 39,354 | — | — | 78,708 | — | |
| Feb 14, 2019 MForm 4 → | Feb 15, 5:36 pm EST | Dimitrios ChondrosSVP, Chief Medical Officer | 6,790 | — | — | 20,370 | — | |
| Feb 14, 2019 MForm 4 → | Feb 15, 5:34 pm EST | Harry J LeonhardtSVP, GC | 7,809 | — | — | 23,425 | — | |
| Feb 14, 2019 MForm 4 → | Feb 15, 5:33 pm EST | Laurie StelzerSVP, Chief Financial Officer | 7,809 | — | — | 23,425 | — | |
| Feb 14, 2019 MForm 4 → | Feb 15, 5:32 pm EST | Helen TorleyPresident and CEO, Director | 28,730 | — | — | 86,188 | — | |
| Feb 12, 2019 AForm 4 → | Feb 14, 6:29 pm EST | Benjamin HickeySVP, Chief Commercial Officer | 109,140 | — | — | 37,538 | — | |
| Feb 12, 2019 AForm 4 → | Feb 14, 6:28 pm EST | Dimitrios ChondrosSVP, Chief Medical Officer | 109,140 | — | — | 37,538 | — | |
| Feb 12, 2019 AForm 4 → | Feb 14, 6:26 pm EST | Harry J LeonhardtSVP, GC | 109,140 | — | — | 37,538 | — | |
| Feb 12, 2019 AForm 4 → | Feb 14, 6:24 pm EST | Laurie StelzerSVP, Chief Financial Officer | 130,968 | — | — | 45,046 | — | |
| Feb 12, 2019 AForm 4 → | Feb 14, 6:22 pm EST | Helen TorleyPresident and CEO, Director | 381,397 | — | — | 131,179 | — | |
| Feb 6, 2019 MForm 4 → | Feb 6, 6:02 pm EST | Helen TorleyPresident and CEO, Director | 31,250 | — | — | 0 | — | |
| Feb 3, 2019 MForm 4 → | Feb 5, 4:11 pm EST | Harry J LeonhardtSVP, GC | 15,413 | — | — | 15,413 | — | |
| Feb 3, 2019 MForm 4 → | Feb 5, 4:10 pm EST | Laurie StelzerSVP, Chief Financial Officer | 23,119 | — | — | 23,119 | — | |
| Feb 3, 2019 MForm 4 → | Feb 5, 4:09 pm EST | Helen TorleyPresident and CEO, Director | 55,487 | — | — | 55,487 | — | |
| Oct 1, 2018 AForm 4 → | Oct 3, 4:10 pm EDT | Benjamin HickeySVP, Chief Commercial Officer | 230,379 | — | — | 80,863 | — | |
| Jun 15, 2018 MForm 4 → | Jun 18, 4:23 pm EDT | Laurie StelzerSVP, Chief Financial Officer | 6,875 | — | — | 6,875 | — | |
| Jun 1, 2018 MForm 4 → | Jun 5, 4:06 pm EDT | Dimitrios ChondrosSVP, Chief Medical Officer | 2,043 | — | — | 6,127 | — | |
| Apr 13, 2018 MForm 4 → | Apr 13, 7:15 pm EDT | Harry J LeonhardtSVP, GC and CCO | 6,875 | — | — | 6,875 | — | |
| Feb 22, 2018 MForm 4 → | Feb 23, 5:14 pm EST | Harry J LeonhardtSVP, GC and CCO | 11,392 | — | — | 34,176 | — | |
| Feb 22, 2018 MForm 4 → | Feb 23, 5:13 pm EST | Laurie StelzerSVP, Chief Financial Officer | 11,392 | — | — | 34,176 | — | |
| Feb 22, 2018 MForm 4 → | Feb 23, 5:09 pm EST | Helen TorleyPresident and CEO, Director | 39,354 | — | — | 118,062 | — | |
| Feb 14, 2018 AForm 4 → | Feb 16, 4:09 pm EST | Harry J LeonhardtSVP, GC and CCO | 86,014 | — | — | 31,234 | — | |
| Feb 14, 2018 AForm 4 → | Feb 16, 4:07 pm EST | Laurie StelzerSVP, Chief Financial Officer | 86,014 | — | — | 31,234 | — | |
| Feb 14, 2018 AForm 4 → | Feb 16, 4:06 pm EST | Helen TorleyPresident and CEO, Director | 316,470 | — | — | 114,918 | — | |
| Feb 6, 2018 MForm 4 → | Feb 6, 7:43 pm EST | Helen TorleyPresident and CEO, Director | 31,250 | — | — | 31,250 | — | |
| Feb 3, 2018 MForm 4 → | Feb 5, 4:27 pm EST | Harry J LeonhardtSVP, GC and CCO | 15,413 | — | — | 30,826 | — | |
| Feb 3, 2018 MForm 4 → | Feb 5, 4:25 pm EST | Laurie StelzerSVP, Chief Financial Officer | 23,120 | — | — | 46,238 | — | |
| Feb 3, 2018 MForm 4 → | Feb 5, 4:22 pm EST | Helen TorleyPresident and CEO, Director | 55,487 | — | — | 110,974 | — | |
| Jan 6, 2018 MForm 4 → | Jan 9, 6:35 pm EST | Helen TorleyPresident and CEO, Director | 30,000 | — | — | 0 | — | |
| Jun 15, 2017 MForm 4 → | Jun 16, 4:10 pm EDT | Laurie StelzerSVP, Chief Financial Officer | 6,875 | — | — | 13,750 | — | |
| May 11, 2017 MForm 4 → | May 15, 9:09 am EDT | Randal J KirkDirector, 10% Owner | 10,000 | — | — | 0 | — | |
| May 8, 2017 MForm 4 → | May 9, 6:00 pm EDT | Connie MatsuiDirector | 10,000 | — | — | 0 | — | |
| Apr 13, 2017 MForm 4 → | Apr 14, 2:03 pm EDT | Harry J LeonhardtSVP, GC and CCO | 6,875 | — | — | 13,750 | — | |
| Feb 22, 2017 AForm 4 → | Feb 24, 4:06 pm EST | Harry J LeonhardtSVP, GC and CCO | 118,493 | — | — | 45,568 | — | |
| Feb 22, 2017 AForm 4 → | Feb 24, 4:06 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 118,493 | — | — | 45,568 | — | |
| Feb 22, 2017 AForm 4 → | Feb 24, 4:05 pm EST | Mark J GergenSVP, Chief Operating Officer | 118,493 | — | — | 45,568 | — | |
| Feb 22, 2017 AForm 4 → | Feb 24, 4:05 pm EST | Laurie StelzerSVP, Chief Financial Officer | 118,493 | — | — | 45,568 | — | |
| Feb 22, 2017 AForm 4 → | Feb 24, 4:04 pm EST | Helen TorleyPresident and CEO, Director | 409,339 | — | — | 157,416 | — | |
| Feb 6, 2017 MForm 4 → | Feb 7, 4:39 pm EST | Helen TorleyPresident and CEO, Director | 31,250 | — | — | 62,500 | — | |
| Feb 3, 2017 MForm 4 → | Feb 6, 7:01 pm EST | Harry J LeonhardtSVP, GC and CCO | 15,413 | — | — | 46,239 | — | |
| Feb 3, 2017 MForm 4 → | Feb 6, 7:01 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 18,496 | — | — | 55,487 | — | |
| Feb 3, 2017 MForm 4 → | Feb 6, 7:01 pm EST | Laurie StelzerSVP, Chief Financial Officer | 23,120 | — | — | 69,358 | — | |
| Feb 3, 2017 MForm 4 → | Feb 6, 7:00 pm EST | Helen TorleyPresident and CEO, Director | 55,487 | — | — | 166,461 | — | |
| Jan 6, 2017 MForm 4 → | Jan 9, 4:04 pm EST | Helen TorleyPresident and CEO, Director | 30,000 | — | — | 30,000 | — | |
| Jan 5, 2017 MForm 4 → | Jan 9, 4:03 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 7,500 | — | — | 15,000 | — | |
| Sep 1, 2016 AForm 4 → | Sep 2, 4:16 pm EDT | Mark J GergenSVP, Chief Operating Officer | 333,890 | — | — | 333,890 | — | |
| Jun 30, 2016 AMForm 4 → | Jul 5, 4:55 pm EDT | Athena CountouriotisSVP and Chief Medical Officer | 12,900 | — | — | 0 | — | |
| Jun 30, 2016 AMForm 4 → | Jul 5, 4:53 pm EDT | Helen TorleyPresident and CEO, Director | 27,000 | — | — | 0 | — | |
| Jun 15, 2016 MForm 4 → | Jun 16, 4:12 pm EDT | Laurie StelzerSVP, Chief Financial Officer | 6,875 | — | — | 20,625 | — | |
| Apr 13, 2016 MForm 4 → | Apr 14, 4:44 pm EDT | Harry J LeonhardtSVP, GC and CCO | 6,875 | — | — | 20,625 | — | |
| Feb 6, 2016 MForm 4 → | Feb 9, 5:47 pm EST | Helen TorleyPresident and CEO, Director | 31,250 | — | — | 93,750 | — | |
| Feb 3, 2016 AForm 4 → | Feb 4, 4:21 pm EST | Harry J LeonhardtSVP, GC and CCO | 166,255 | — | — | 61,652 | — | |
| Feb 3, 2016 AForm 4 → | Feb 4, 4:19 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 199,506 | — | — | 73,983 | — | |
| Feb 3, 2016 AForm 4 → | Feb 4, 4:17 pm EST | Laurie StelzerSVP, Chief Financial Officer | 197,081 | — | — | 92,478 | — | |
| Feb 3, 2016 AForm 4 → | Feb 4, 4:17 pm EST | Helen TorleyPresident and CEO, Director | 598,517 | — | — | 221,948 | — | |
| Jan 13, 2016 MForm 4 → | Jan 14, 7:06 pm EST | Kathryn E FalbergDirector | 20,000 | $7.66 | $153,100 | 0 | — | |
| Jan 6, 2016 MForm 4 → | Jan 7, 5:25 pm EST | Helen TorleyPresident and CEO, Director | 30,000 | — | — | 60,000 | — | |
| Jan 5, 2016 MForm 4 → | Jan 7, 5:25 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 7,500 | — | — | 22,500 | — | |
| Sep 14, 2015 MForm 4 → | Sep 15, 4:10 pm EDT | Connie MatsuiDirector | 20,000 | — | — | 0 | — | |
| Aug 28, 2015 MForm 4 → | Sep 1, 4:34 pm EDT | Kenneth J KelleyDirector | 10,000 | $10.37 | $103,700 | 0 | — | |
| Jun 15, 2015 AForm 4 → | Jun 16, 2:58 pm EDT | Laurie StelzerSVP, CFO | 252,500 | — | — | 27,500 | — | |
| Jun 5, 2015 MForm 4 → | Jun 9, 5:00 pm EDT | Kenneth J KelleyDirector | 10,000 | — | — | 0 | — | |
| Apr 13, 2015 AForm 4 → | Apr 15, 4:20 pm EDT | Harry J LeonhardtSVP, GC and CCO | 252,500 | — | — | 27,500 | — | |
| Feb 6, 2015 AForm 4 → | Feb 6, 7:54 pm EST | Helen TorleyPresident and CEO, Director | 325,000 | — | — | 125,000 | — | |
| Feb 4, 2015 AMForm 4 → | Feb 6, 7:52 pm EST | David A RamsayVP and Chief Financial Officer | 80,088 | — | — | 21,262 | — | |
| Feb 2, 2015 MForm 4 → | Feb 4, 4:55 pm EST | David A RamsayVP and Chief Financial Officer | 5,338 | — | — | 4,424 | — | |
| Jan 6, 2015 MForm 4 → | Jan 6, 7:23 pm EST | Helen TorleyPresident and CEO, Director | 30,000 | — | — | 90,000 | — | |
| Jan 5, 2015 AForm 4 → | Jan 6, 5:04 pm EST | Athena CountouriotisSVP and Chief Medical Officer | 280,000 | — | — | 30,000 | — |