Company · CIK 0001297184 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Amphastar Pharmaceuticals, Inc. · AMPH
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 |
|---|---|---|---|---|---|---|---|---|
| Mar 15, 2018 AForm 4 → | Mar 16, 6:14 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 39,919 | — | — | 256,867 | — | plan? |
| Mar 15, 2018 AForm 4 → | Mar 16, 6:13 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 139,716 | — | — | 1,372,333 | — | plan? |
| Mar 13, 2018 SForm 4 → | Mar 15, 4:16 pm EDT | William J PetersCFO, SVP & Treasurer | 19,801 | $20.10 | $398,004 | 78,314 | −20.2% | plan? |
| Mar 13, 2018 MForm 4 → | Mar 15, 4:16 pm EDT | William J PetersCFO, SVP & Treasurer | 19,801 | $11.33 | $224,345 | 98,115 | — | plan? |
| Mar 13, 2018 SForm 4 → | Mar 15, 4:15 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 700 | $20.45 | $14,315 | 216,948 | −0.32% | plan? |
| Mar 13, 2018 MForm 4 → | Mar 15, 4:15 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 700 | $11.79 | $8,253 | 217,348 | — | plan? |
| Jan 25, 2018 SForm 4 → | Jan 26, 6:02 pm EST | Jason B. ShandellPresident and General Counsel, Director | 18,627 | $19.42 | $361,747 | 216,948 | −7.91% | plan? |
| Dec 19, 2017 SForm 4 → | Dec 19, 6:28 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $19.48 | $10,186 | 30,164 | −1.70% | plan? |
| Dec 15, 2017 FMForm 4 → | Dec 19, 6:25 pm EST | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 1,842,764 | $15.30 | $28,196,109 | 1,330,646 | — | plan? |
| Dec 14, 2017 SForm 4 → | Dec 14, 8:03 pm EST | Stephen B. ShohetDirector | 7,866 | $18.87 | $148,430 | 24,116 | −24.6% | plan? |
| Dec 14, 2017 MForm 4 → | Dec 14, 8:03 pm EST | Stephen B. ShohetDirector | 7,866 | $10.77 | $84,717 | 31,982 | — | plan? |
| Dec 12, 2017 SForm 4 → | Dec 14, 8:02 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $18.96 | $9,917 | 30,687 | −1.68% | plan? |
| Dec 7, 2017 SForm 4 → | Dec 8, 4:30 pm EST | Stephen B. ShohetDirector | 7,862 | $18.34 | $144,210 | 24,116 | −24.6% | plan? |
| Dec 7, 2017 MForm 4 → | Dec 8, 4:30 pm EST | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Dec 1, 2017 SForm 4 → | Dec 5, 4:30 pm EST | William J PetersCFO, SVP & Treasurer | 6,226 | $19.67 | $122,465 | 78,314 | −7.36% | plan? |
| Nov 30, 2017 SForm 4 → | Nov 30, 7:38 pm EST | Stephen B. ShohetDirector | 7,862 | $19.25 | $151,344 | 24,116 | −24.6% | plan? |
| Nov 30, 2017 MForm 4 → | Nov 30, 7:38 pm EST | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Nov 28, 2017 SForm 4 → | Nov 30, 7:37 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $18.15 | $9,493 | 31,210 | −1.65% | plan? |
| Nov 22, 2017 SForm 4 → | Nov 24, 8:00 pm EST | Stephen B. ShohetDirector | 7,862 | $18.94 | $148,895 | 24,116 | −24.6% | plan? |
| Nov 22, 2017 MForm 4 → | Nov 24, 8:00 pm EST | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Nov 21, 2017 SForm 4 → | Nov 21, 5:21 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $18.81 | $9,839 | 31,733 | −1.62% | plan? |
| Nov 16, 2017 SForm 4 → | Nov 17, 8:02 pm EST | Stephen B. ShohetDirector | 7,862 | $18.04 | $141,862 | 24,116 | −24.6% | plan? |
| Nov 16, 2017 MForm 4 → | Nov 17, 8:02 pm EST | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Nov 15, 2017 SForm 4 → | Nov 17, 8:01 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $17.77 | $9,292 | 32,256 | −1.60% | plan? |
| Nov 13, 2017 MForm 4 → | Nov 14, 7:39 pm EST | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 506,337 | $12.02 | $6,087,690 | 1,263,378 | — | plan? |
| Nov 9, 2017 SForm 4 → | Nov 9, 9:04 pm EST | Stephen B. ShohetDirector | 7,862 | $18.55 | $145,845 | 24,116 | −24.6% | plan? |
| Nov 9, 2017 MForm 4 → | Nov 9, 9:04 pm EST | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Nov 7, 2017 SForm 4 → | Nov 9, 9:00 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $17.93 | $9,375 | 32,779 | −1.57% | plan? |
| Nov 2, 2017 SForm 4 → | Nov 3, 4:05 pm EDT | Stephen B. ShohetDirector | 7,862 | $18.37 | $144,460 | 24,116 | −24.6% | plan? |
| Nov 2, 2017 MForm 4 → | Nov 3, 4:05 pm EDT | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Oct 26, 2017 SForm 4 → | Oct 26, 6:21 pm EDT | Stephen B. ShohetDirector | 7,862 | $18.39 | $144,618 | 24,116 | −24.6% | plan? |
| Oct 26, 2017 MForm 4 → | Oct 26, 6:21 pm EDT | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Oct 24, 2017 SForm 4 → | Oct 26, 6:20 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $18.29 | $9,568 | 33,302 | −1.55% | plan? |
| Oct 19, 2017 SForm 4 → | Oct 19, 8:01 pm EDT | Stephen B. ShohetDirector | 7,862 | $18.34 | $144,195 | 24,116 | −24.6% | plan? |
| Oct 19, 2017 MForm 4 → | Oct 19, 8:01 pm EDT | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Oct 17, 2017 SForm 4 → | Oct 19, 8:00 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 523 | $18.48 | $9,665 | 33,825 | −1.52% | plan? |
| Oct 13, 2017 SForm 4 → | Oct 13, 8:00 pm EDT | William J PetersCFO, SVP & Treasurer | 3,026 | $18.56 | $56,176 | 83,496 | −3.50% | plan? |
| Oct 12, 2017 SForm 4 → | Oct 13, 8:02 pm EDT | Stephen B. ShohetDirector | 7,862 | $18.73 | $147,219 | 24,116 | −24.6% | plan? |
| Oct 12, 2017 MForm 4 → | Oct 13, 8:02 pm EDT | Stephen B. ShohetDirector | 7,862 | $10.77 | $84,674 | 31,978 | — | plan? |
| Oct 5, 2017 SForm 4 → | Oct 6, 5:54 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 8,444 | $18.87 | $159,376 | 34,348 | −19.7% | plan? |
| Oct 5, 2017 MForm 4 → | Oct 6, 5:54 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 8,444 | $11.33 | $95,671 | 42,792 | — | plan? |
| Oct 4, 2017 SForm 4 → | Oct 6, 5:52 pm EDT | Floyd F. PetersenDirector | 39,312 | $18.59 | $730,755 | 64,561 | −37.8% | plan? |
| Oct 4, 2017 MForm 4 → | Oct 6, 5:52 pm EDT | Floyd F. PetersenDirector | 39,312 | $10.77 | $423,390 | 103,873 | — | plan? |
| Oct 2, 2017 SForm 4 → | Oct 3, 6:18 pm EDT | Michael A ZasloffDirector | 63,624 | $18.18 | $1,156,952 | 38,255 | −62.5% | plan? |
| Oct 2, 2017 MForm 4 → | Oct 3, 6:18 pm EDT | Michael A ZasloffDirector | 63,624 | $10.77 | $685,230 | 101,879 | — | plan? |
| Sep 13, 2017 FMForm 4 → | Sep 15, 4:30 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 590,005 | $13.55 | $7,992,054 | 1,076,833 | — | plan? |
| Aug 14, 2017 SForm 4 → | Aug 16, 6:57 pm EDT | Richard K PrinsDirector | 10,000 | $14.81 | $148,084 | 28,844 | −25.7% | plan? |
| Aug 14, 2017 MForm 4 → | Aug 16, 6:57 pm EDT | Richard K PrinsDirector | 10,000 | $10.77 | $107,700 | 33,844 | — | plan? |
| Jul 5, 2017 FForm 4 → | Jul 7, 4:51 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 3,394 | $17.95 | $60,922 | 235,493 | — | plan? |
| Jun 15, 2017 FForm 4 → | Jun 16, 7:14 pm EDT | Rong ZhouEVP, Production Center | 146 | $16.18 | $2,362 | 48,096 | — | plan? |
| Jun 15, 2017 FForm 4 → | Jun 16, 7:13 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 146 | $16.18 | $2,362 | 34,348 | — | plan? |
| Jun 9, 2017 SForm 4 → | Jun 12, 8:10 pm EDT | Richard K PrinsDirector | 10,000 | $17.07 | $170,707 | 28,844 | −25.7% | plan? |
| Jun 8, 2017 AForm 4 → | Jun 12, 8:19 pm EDT | Michael A ZasloffDirector | 5,844 | — | — | 38,255 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 12, 8:15 pm EDT | Stephen B. ShohetDirector | 5,844 | — | — | 24,116 | — | plan? |
| Jun 8, 2017 AMForm 4 → | Jun 12, 8:10 pm EDT | Richard K PrinsDirector | 15,844 | $10.77 | $107,700 | 38,844 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 12, 8:05 pm EDT | Floyd F. PetersenDirector | 5,844 | — | — | 64,561 | — | plan? |
| Jun 8, 2017 AFForm 4 → | Jun 12, 7:59 pm EDT | Howard LeeDirector | 7,670 | $16.84 | $30,750 | 118,545 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 12, 7:49 pm EDT | Richard KooDirector | 5,844 | — | — | 235,338 | — | plan? |
| Jun 1, 2017 SForm 4 → | Jun 1, 8:06 pm EDT | Michael A ZasloffDirector | 15,000 | $17.01 | $255,201 | 32,411 | −31.6% | plan? |
| Jun 1, 2017 MForm 4 → | Jun 1, 8:06 pm EDT | Michael A ZasloffDirector | 15,000 | $10.77 | $161,550 | 47,411 | — | plan? |
| May 30, 2017 SForm 4 → | Jun 1, 8:05 pm EDT | Jason B. ShandellDirector | 11,482 | $16.92 | $194,300 | 237,688 | −4.61% | plan? |
| May 30, 2017 SForm 4 → | Jun 1, 8:00 pm EDT | William J PetersCFO, SVP & Treasurer | 4,297 | $16.93 | $72,731 | 86,522 | −4.73% | plan? |
| May 23, 2017 MForm 4 → | May 25, 4:15 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 647,343 | $11.51 | $7,448,329 | 1,058,705 | — | plan? |
| May 11, 2017 SForm 4 → | May 12, 4:30 pm EDT | Richard K PrinsDirector | 7,500 | $15.43 | $115,725 | 23,000 | −24.6% | plan? |
| May 11, 2017 MForm 4 → | May 12, 4:30 pm EDT | Richard K PrinsDirector | 7,500 | $10.77 | $80,775 | 30,500 | — | plan? |
| Apr 21, 2017 FForm 4 → | Apr 25, 4:30 pm EDT | William J PetersCFO, SVP & Treasurer | 1,384 | $14.74 | $20,400 | 90,819 | — | plan? |
| Apr 14, 2017 FForm 4 → | Apr 17, 7:06 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 754 | $14.80 | $11,159 | 34,494 | — | plan? |
| Mar 26, 2017 FForm 4 → | Mar 28, 8:15 pm EDT | Rong ZhouEVP, Production Center | 568 | $13.76 | $7,816 | 46,972 | — | plan? |
| Mar 26, 2017 FForm 4 → | Mar 28, 8:13 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 614 | $13.76 | $8,449 | 35,248 | — | plan? |
| Mar 26, 2017 FForm 4 → | Mar 28, 8:10 pm EDT | William J PetersCFO, SVP & Treasurer | 1,823 | $13.76 | $25,084 | 92,203 | — | plan? |
| Mar 26, 2017 FForm 4 → | Mar 28, 8:08 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 10,652 | $14.04 | $149,600 | 249,170 | — | plan? |
| Mar 26, 2017 FForm 4 → | Mar 28, 8:03 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 65,254 | $14.05 | $916,638 | 793,810 | — | plan? |
| Mar 16, 2017 AFForm 4 → | Mar 20, 9:04 pm EDT | Rong ZhouEVP, Production Center | 13,045 | $13.75 | $17,160 | 47,540 | — | plan? |
| Mar 16, 2017 AFForm 4 → | Mar 20, 9:03 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 12,055 | $13.75 | $16,418 | 35,862 | — | plan? |
| Mar 16, 2017 AFForm 4 → | Mar 20, 9:00 pm EDT | William J PetersCFO, SVP & Treasurer | 37,411 | $13.75 | $50,930 | 94,026 | — | plan? |
| Mar 16, 2017 AFForm 4 → | Mar 20, 8:58 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 70,719 | $13.75 | $96,924 | 259,822 | — | plan? |
| Mar 16, 2017 AFForm 4 → | Mar 20, 8:50 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 257,028 | $13.75 | $454,561 | 809,785 | — | plan? |
| Jan 3, 2017 SForm 4 → | Jan 4, 6:36 pm EST | Floyd F. PetersenDirector | 400 | $18.61 | $7,444 | 58,717 | −0.68% | plan? |
| Dec 15, 2016 SForm 4 → | Dec 16, 7:01 pm EST | Diane G. GerstEVP, QA & Regulatory Affairs | 2,940 | $20.51 | $60,287 | 26,195 | −10.1% | plan? |
| Dec 5, 2016 SForm 4 → | Dec 7, 7:00 pm EST | Rong ZhouEVP, Production Center | 61 | $20.70 | $1,262 | 36,991 | −0.16% | plan? |
| Dec 1, 2016 SForm 4 → | Dec 2, 7:00 pm EST | Floyd F. PetersenDirector | 400 | $20.26 | $8,104 | 59,117 | −0.67% | plan? |
| Nov 25, 2016 SForm 4 → | Nov 29, 6:13 pm EST | Jason B. ShandellPresident and General Counsel, Director | 26,335 | $20.48 | $539,258 | 202,961 | −11.5% | plan? |
| Nov 25, 2016 MForm 4 → | Nov 29, 6:13 pm EST | Jason B. ShandellPresident and General Counsel, Director | 26,335 | $10.93 | $287,842 | 227,253 | — | plan? |
| Nov 14, 2016 SForm 4 → | Nov 16, 4:30 pm EST | Howard LeeDirector | 37,994 | $20.65 | $784,680 | 114,527 | −24.9% | plan? |
| Nov 14, 2016 MForm 4 → | Nov 16, 4:30 pm EST | Howard LeeDirector | 37,994 | $14.23 | $540,655 | 132,521 | — | plan? |
| Nov 11, 2016 SForm 4 → | Nov 15, 4:18 pm EST | Richard K PrinsDirector | 8,000 | $20.06 | $160,501 | 23,000 | −25.8% | plan? |
| Nov 11, 2016 MForm 4 → | Nov 15, 4:18 pm EST | Richard K PrinsDirector | 5,000 | $10.77 | $53,850 | 31,000 | — | plan? |
| Nov 1, 2016 SForm 4 → | Nov 3, 7:02 pm EDT | Floyd F. PetersenDirector | 400 | $18.09 | $7,236 | 59,517 | −0.67% | plan? |
| Oct 3, 2016 SForm 4 → | Oct 5, 7:00 pm EDT | Floyd F. PetersenDirector | 400 | $18.75 | $7,500 | 59,917 | −0.66% | plan? |
| Sep 26, 2016 SForm 4 → | Sep 27, 6:26 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 56,996 | $19.50 | $1,111,268 | 202,961 | −21.9% | plan? |
| Sep 26, 2016 MForm 4 → | Sep 27, 6:26 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 56,996 | $10.93 | $622,966 | 259,957 | — | plan? |
| Sep 20, 2016 SForm 4 → | Sep 22, 4:39 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 444,199 | $21.03 | $9,342,804 | 752,321 | −37.1% | plan? |
| Sep 20, 2016 MForm 4 → | Sep 22, 4:39 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 444,199 | $16.75 | $7,441,666 | 934,089 | — | plan? |
| Sep 8, 2016 SForm 4 → | Sep 12, 5:03 pm EDT | Floyd F. PetersenDirector | 3,000 | $19.05 | $57,150 | 60,317 | −4.74% | plan? |
| Sep 1, 2016 SForm 4 → | Sep 2, 7:05 pm EDT | Howard LeeDirector | 10,381 | $18.78 | $194,917 | 114,527 | −8.31% | plan? |
| Sep 1, 2016 MForm 4 → | Sep 2, 7:05 pm EDT | Howard LeeDirector | 10,381 | $15.23 | $158,103 | 125 | — | plan? |
| Aug 22, 2016 SForm 4 → | Aug 24, 6:38 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 10,000 | $19.95 | $199,500 | 202,961 | −4.70% | plan? |
| Aug 22, 2016 MForm 4 → | Aug 24, 6:38 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 10,000 | $10.46 | $104,600 | 212,961 | — | plan? |
| Aug 19, 2016 SForm 4 → | Aug 19, 7:26 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 24,046 | $19.28 | $463,607 | 28,985 | −45.3% | plan? |
| Aug 19, 2016 MForm 4 → | Aug 19, 7:26 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 24,046 | $12.31 | $295,975 | 53,031 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 17, 2016 AForm 4 → | Mar 21, 8:07 pm EDT | William J PetersCFO, SVP & Treasurer | 119,201 | — | — | 119,201 | — | |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:04 pm EDT | Jason B. ShandellPresident, Director | 225,153 | — | — | 225,153 | — | |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:03 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 1,032,976 | — | — | 310,930 | — | |
| Dec 16, 2015 MForm 4 → | Dec 17, 7:24 pm EST | Michael A ZasloffDirector | 30,770 | — | — | 0 | — | |
| Dec 16, 2015 MForm 4 → | Dec 17, 7:21 pm EST | Stephen B. ShohetDirector | 30,770 | — | — | 0 | — | |
| Dec 15, 2015 MForm 4 → | Dec 17, 7:20 pm EST | Howard LeeDirector | 38,462 | — | — | 0 | — | |
| Nov 20, 2015 MForm 4 → | Nov 24, 4:05 pm EST | Floyd F. PetersenDirector | 38,462 | — | — | 0 | — | |
| Aug 17, 2015 MForm 4 → | Aug 19, 8:18 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 16,962 | — | — | 0 | — | |
| Aug 17, 2015 MForm 4 → | Aug 19, 8:05 pm EDT | Richard K PrinsDirector | 7,500 | — | — | 40,000 | — | |
| Jul 17, 2015 MForm 4 → | Jul 21, 7:55 pm EDT | Stephen B. ShohetDirector | 7,692 | — | — | 30,770 | — | |
| Jul 17, 2015 MForm 4 → | Jul 21, 7:53 pm EDT | Michael A ZasloffDirector | 7,692 | — | — | 30,770 | — | |
| Jun 15, 2015 AForm 4 → | Jun 17, 6:08 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 4,685 | — | — | 4,685 | — | |
| Jun 15, 2015 AForm 4 → | Jun 17, 6:06 pm EDT | Rong ZhouEVP, Production | 4,685 | — | — | 4,685 | — | |
| Jun 15, 2015 MForm 4 → | Jun 17, 6:01 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 50,061 | — | — | 8,481 | — | |
| Jun 10, 2015 MForm 4/A → | Feb 3, 2016, 7:41 pm EST | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 176,860 | — | — | 8,481 | — | |
| Jun 10, 2015 MForm 4 → | Jun 12, 9:30 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 176,860 | — | — | 8,481 | — | |
| Jun 5, 2015 MForm 4 → | Jun 9, 8:34 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 216,117 | — | — | 76,253 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:26 pm EDT | Michael A ZasloffDirector | 47,782 | — | — | 47,782 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:24 pm EDT | Stephen B. ShohetDirector | 47,782 | — | — | 47,782 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:22 pm EDT | Richard K PrinsDirector | 47,782 | — | — | 47,782 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:20 pm EDT | Floyd F. PetersenDirector | 47,782 | — | — | 47,782 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:18 pm EDT | Howard LeeDirector | 47,782 | — | — | 47,782 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:17 pm EDT | Richard KooDirector | 47,782 | — | — | 47,782 | — | |
| May 20, 2015 MForm 4 → | May 22, 7:51 pm EDT | Richard K PrinsDirector | 29,452 | — | — | 47,500 | — | |
| May 19, 2015 MForm 4 → | May 20, 4:30 pm EDT | Richard K PrinsDirector | 3,000 | — | — | 25,846 | — | |
| Apr 9, 2015 AForm 4 → | Apr 10, 7:31 pm EDT | Diane G. GerstCorp. SVP of Quality Assurance | 10,000 | — | — | 0 | — | |
| Apr 9, 2015 MForm 4 → | Apr 10, 7:29 pm EDT | Marilyn J. PurchaseCorp. Exec. VP of Operations | 28,000 | — | — | 0 | — | |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:06 am EDT | Diane G. GerstCorp. SVP of Quality Assurance | 20,028 | — | — | 20,028 | — | |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:05 am EDT | Marilyn J. PurchaseCorp. Exec. VP of Operations | 42,054 | — | — | 42,054 | — | |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:03 am EDT | William J PetersCFO, SVP & Treasurer | 58,074 | — | — | 58,074 | — | |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:02 am EDT | Jason B. ShandellPresident, Director | 150,183 | — | — | 150,183 | — | |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:00 am EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 1,095,559 | — | — | 327,647 | — |