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 |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 SForm 4 → | Sep 17, 5:19 pm EDT | Matthew L. PosardDirector | 18,996 | $107.74 | $2,046,581 | 58,839 | −24.4% | 10b5-1 |
| Sep 9, 2026 SForm 4 → | Sep 11, 8:35 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $107.28 | $6,436,711 | 767,780 | −7.25% | 10b5-1 |
| Sep 9, 2026 MForm 4 → | Sep 11, 8:35 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $18.41 | $1,104,600 | 787,780 | — | 10b5-1 |
| Sep 1, 2026 AForm 4 → | Sep 2, 4:59 pm EDT | Dannielle AppelhansDirector | 1,161 | — | — | 1,161 | — | |
| Aug 17, 2026 SForm 4 → | Aug 19, 8:01 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $104.59 | $6,275,592 | 767,780 | −7.25% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:01 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 60,000 | $18.41 | $1,104,600 | 787,780 | — | 10b5-1 |
| Aug 10, 2026 SForm 4 → | Aug 11, 5:43 pm EDT | Bernadette ConnaughtonDirector | 1,626 | $102.80 | $167,153 | 40,418 | −3.87% | 10b5-1 |
| Jul 8, 2026 SForm 4 → | Jul 9, 5:19 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 1,923 | $79.77 | $153,391 | 767,780 | −0.25% | 10b5-1 |
| Jul 8, 2026 MForm 4 → | Jul 9, 5:19 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 1,923 | $12.07 | $23,211 | 769,703 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 2, 4:42 pm EDT | Bernadette ConnaughtonDirector | 1,625 | $76.71 | $124,651 | 42,044 | −3.72% | 10b5-1 |
| Jun 30, 2026 FMForm 4 → | Jul 2, 4:45 pm EDT | David A RamsayEVP, PRESIDENT, DRUG DELIVERY | 15,408 | $78.27 | $423,284 | 4,592 | — | |
| Jun 29, 2026 SForm 4 → | Jun 30, 5:25 pm EDT | Mahesh KrishnanDirector | 7,304 | $75.00 | $547,800 | 14,462 | −33.6% | 10b5-1 |
| Jun 29, 2026 MForm 4 → | Jun 30, 5:25 pm EDT | Mahesh KrishnanDirector | 7,304 | $38.46 | $280,912 | 21,766 | — | 10b5-1 |
| Jun 12, 2026 FMForm 4 → | Jun 15, 4:09 pm EDT | Mark Howard SnyderSVP, CHIEF LEGAL OFFICER | 7,749 | $69.50 | $188,693 | 49,929 | — | |
| Jun 1, 2026 SForm 4 → | Jun 3, 8:06 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 50,000 | $67.40 | $3,370,008 | 767,780 | −6.11% | 10b5-1 |
| Jun 1, 2026 MForm 4 → | Jun 3, 8:06 pm EDT | Helen TorleyPRESIDENT AND CEO, Director | 50,000 | $12.07 | $603,500 | 777,780 | — | 10b5-1 |
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 |