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 |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2016 SForm 4 → | Aug 19, 7:28 pm EDT | Richard K PrinsDirector | 3,086 | $19.62 | $60,539 | 26,000 | −10.6% | plan? |
| Aug 17, 2016 SForm 4 → | Aug 19, 7:23 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 5,987 | $18.86 | $112,909 | 202,961 | −2.87% | plan? |
| Aug 12, 2016 SForm 4 → | Aug 16, 8:32 pm EDT | Stephen B. ShohetDirector | 48,375 | $18.24 | $882,281 | 18,272 | −72.6% | plan? |
| Aug 12, 2016 MForm 4 → | Aug 16, 8:32 pm EDT | Stephen B. ShohetDirector | 48,375 | $14.44 | $698,757 | 28,942 | — | plan? |
| Aug 12, 2016 SForm 4 → | Aug 16, 8:31 pm EDT | Michael A ZasloffDirector | 48,375 | $18.15 | $878,106 | 32,411 | −59.9% | plan? |
| Aug 12, 2016 MForm 4 → | Aug 16, 8:31 pm EDT | Michael A ZasloffDirector | 48,375 | $14.44 | $698,757 | 49,811 | — | plan? |
| Aug 12, 2016 SForm 4 → | Aug 15, 7:47 pm EDT | William J PetersCFO, SVP & Treasurer | 1,027 | $18.19 | $18,681 | 63,625 | −1.59% | plan? |
| Aug 11, 2016 SForm 4 → | Aug 15, 7:37 pm EDT | Jason B. ShandellPresident, Director | 5,636 | $18.01 | $101,482 | 208,948 | −2.63% | plan? |
| Aug 11, 2016 SForm 4 → | Aug 12, 4:31 pm EDT | Richard K PrinsDirector | 13,993 | $18.03 | $252,274 | 29,086 | −32.5% | plan? |
| Aug 11, 2016 MForm 4 → | Aug 12, 4:31 pm EDT | Richard K PrinsDirector | 13,993 | $12.56 | $175,765 | 43,079 | — | plan? |
| Jul 18, 2016 SForm 4 → | Jul 19, 4:30 pm EDT | William J PetersCFO, SVP & Treasurer | 2,297 | $17.76 | $40,795 | 64,652 | −3.43% | plan? |
| Jul 5, 2016 FForm 4 → | Jul 7, 4:39 pm EDT | Jason B. ShandellPresident and General Counsel, Director | 3,394 | $16.33 | $55,424 | 214,584 | — | plan? |
| Jun 15, 2016 FForm 4 → | Jun 17, 6:41 pm EDT | Rong ZhouEVP, Production Center | 146 | $15.76 | $2,301 | 36,991 | — | plan? |
| Jun 15, 2016 SForm 4 → | Jun 17, 6:41 pm EDT | Rong ZhouEVP, Production Center | 1,551 | $15.85 | $24,584 | 37,137 | −4.01% | plan? |
| Jun 15, 2016 FForm 4 → | Jun 17, 6:40 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 146 | $15.76 | $2,301 | 28,985 | — | plan? |
| Jun 13, 2016 SForm 4 → | Jun 13, 8:28 pm EDT | Richard K PrinsDirector | 7,500 | $15.94 | $119,536 | 29,086 | −20.5% | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:33 pm EDT | Michael A ZasloffDirector | 6,086 | — | — | 32,411 | — | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:32 pm EDT | Stephen B. ShohetDirector | 6,086 | — | — | 18,272 | — | plan? |
| Jun 9, 2016 AMForm 4 → | Jun 13, 8:28 pm EDT | Richard K PrinsDirector | 13,586 | $14.23 | $106,725 | 36,586 | — | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:27 pm EDT | Floyd F. PetersenDirector | 6,086 | — | — | 63,317 | — | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:25 pm EDT | Howard LeeDirector | 6,086 | — | — | 114,527 | — | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:21 pm EDT | Richard KooDirector | 6,086 | — | — | 229,494 | — | plan? |
| Jun 9, 2016 SForm 4 → | Jun 13, 8:16 pm EDT | Jason B. ShandellPresident, Director | 9,904 | $16.43 | $162,723 | 216,610 | −4.37% | plan? |
| Jun 2, 2016 SForm 4 → | Jun 3, 4:30 pm EDT | William J PetersCFO, SVP & Treasurer | 2,297 | $16.00 | $36,752 | 66,949 | −3.32% | plan? |
| May 27, 2016 FForm 4 → | Jun 1, 5:50 pm EDT | Howard LeeDirector | 1,460 | $15.75 | $22,995 | 108,441 | — | plan? |
| May 25, 2016 SForm 4 → | May 26, 7:19 pm EDT | Jason B. ShandellPresident, Director | 1,074 | $15.60 | $16,754 | 226,514 | −0.47% | plan? |
| May 18, 2016 SForm 4 → | May 19, 5:45 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 1,427 | $13.97 | $19,939 | 28,649 | −4.74% | plan? |
| May 17, 2016 SForm 4 → | May 19, 5:47 pm EDT | Richard K PrinsDirector | 3,200 | $13.56 | $43,391 | 23,000 | −12.2% | plan? |
| Apr 21, 2016 FForm 4 → | Apr 22, 7:07 pm EDT | William J PetersCFO, SVP & Treasurer | 1,383 | $13.05 | $18,048 | 69,246 | — | plan? |
| Apr 18, 2016 SForm 4 → | Apr 20, 4:52 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 21,244 | $12.89 | $273,774 | 30,076 | −41.4% | plan? |
| Apr 18, 2016 MForm 4 → | Apr 20, 4:52 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 19,817 | $10.76 | $213,262 | 35,683 | — | plan? |
| Apr 14, 2016 FForm 4 → | Apr 18, 4:30 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 741 | $12.66 | $9,381 | 31,503 | — | plan? |
| Mar 26, 2016 FForm 4 → | Mar 29, 7:36 pm EDT | Rong ZhouEVP, Production | 568 | $11.96 | $6,793 | 37,137 | — | plan? |
| Mar 26, 2016 FForm 4 → | Mar 29, 7:31 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 614 | $11.96 | $7,343 | 32,244 | — | plan? |
| Mar 26, 2016 FForm 4 → | Mar 29, 7:28 pm EDT | William J PetersCFO, SVP & Treasurer | 1,823 | $11.96 | $21,803 | 70,629 | — | plan? |
| Mar 26, 2016 FForm 4 → | Mar 29, 7:24 pm EDT | Jason B. ShandellPresident, Director | 10,652 | $11.96 | $127,398 | 227,588 | — | plan? |
| Mar 26, 2016 FForm 4 → | Mar 29, 7:20 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 56,912 | $11.96 | $680,668 | 752,321 | — | plan? |
| Mar 17, 2016 SForm 4 → | Mar 21, 8:17 pm EDT | Richard K PrinsDirector | 2,400 | $11.25 | $27,000 | 26,200 | −8.39% | plan? |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:12 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 11,253 | — | — | 32,858 | — | plan? |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:09 pm EDT | Rong ZhouEVP, Production | 11,473 | — | — | 37,705 | — | plan? |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:07 pm EDT | William J PetersCFO, SVP & Treasurer | 39,717 | — | — | 72,452 | — | plan? |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:04 pm EDT | Jason B. ShandellPresident, Director | 75,022 | — | — | 238,240 | — | plan? |
| Mar 17, 2016 AForm 4 → | Mar 21, 8:03 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 263,901 | — | — | 767,666 | — | plan? |
| Dec 16, 2015 SForm 4 → | Dec 17, 7:30 pm EST | Rong ZhouEVP, Production | 772 | $14.29 | $11,032 | 25,460 | −2.94% | plan? |
| Dec 16, 2015 SForm 4 → | Dec 17, 7:24 pm EST | Michael A ZasloffDirector | 30,770 | $14.20 | $436,853 | 26,325 | −53.9% | plan? |
| Dec 16, 2015 MForm 4 → | Dec 17, 7:24 pm EST | Michael A ZasloffDirector | 30,770 | $11.68 | $359,394 | 40,557 | — | plan? |
| Dec 16, 2015 SForm 4 → | Dec 17, 7:21 pm EST | Stephen B. ShohetDirector | 30,770 | $14.19 | $436,719 | 12,186 | −71.6% | plan? |
| Dec 16, 2015 MForm 4 → | Dec 17, 7:21 pm EST | Stephen B. ShohetDirector | 30,770 | $11.68 | $359,394 | 27,377 | — | plan? |
| Dec 15, 2015 GForm 4 → | Feb 3, 2016, 7:56 pm EST | Richard K PrinsDirector | 350 | — | — | 28,600 | — | plan? late |
| Dec 15, 2015 SForm 4 → | Dec 17, 7:20 pm EST | Howard LeeDirector | 38,462 | $14.34 | $551,599 | 109,901 | −25.9% | plan? |
| Dec 15, 2015 MForm 4 → | Dec 17, 7:20 pm EST | Howard LeeDirector | 38,462 | $11.68 | $449,236 | 111,827 | — | plan? |
| Dec 9, 2015 SForm 4 → | Dec 11, 6:19 pm EST | Applied Physics & Chemistry Laboratories, Inc.10% Owner | 63,300 | $14.25 | $901,753 | 7,461,594 | −0.84% | plan? |
| Dec 9, 2015 SForm 4 → | Dec 11, 6:12 pm EST | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 63,300 | $14.25 | $901,753 | 7,461,594 | −0.84% | plan? |
| Dec 4, 2015 SForm 4 → | Dec 8, 7:20 pm EST | Applied Physics & Chemistry Laboratories, Inc.10% Owner | 68,117 | $14.71 | $1,001,909 | 7,524,894 | −0.90% | plan? |
| Dec 4, 2015 SForm 4 → | Dec 8, 7:14 pm EST | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 68,117 | $14.71 | $1,001,909 | 7,524,894 | −0.90% | plan? |
| Dec 1, 2015 SForm 4 → | Dec 3, 7:14 pm EST | Applied Physics & Chemistry Laboratories, Inc.10% Owner | 38,583 | $15.45 | $596,241 | 7,593,011 | −0.51% | plan? |
| Dec 1, 2015 SForm 4 → | Dec 3, 7:12 pm EST | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 38,583 | $15.45 | $596,241 | 7,593,011 | −0.51% | plan? |
| Nov 20, 2015 SForm 4 → | Nov 24, 4:05 pm EST | Floyd F. PetersenDirector | 31,529 | $14.29 | $450,512 | 57,231 | −35.5% | plan? |
| Nov 20, 2015 MForm 4 → | Nov 24, 4:05 pm EST | Floyd F. PetersenDirector | 38,462 | $11.68 | $449,236 | 88,760 | — | plan? |
| Nov 17, 2015 SForm 4 → | Nov 19, 4:05 pm EST | Richard K PrinsDirector | 3,772 | $13.95 | $52,606 | 28,950 | −11.5% | plan? |
| Oct 3, 2015 FForm 4 → | Oct 6, 4:30 pm EDT | Jason B. ShandellPresident, Director | 987 | $11.69 | $11,538 | 159,030 | — | plan? |
| Sep 28, 2015 FForm 4 → | Sep 30, 4:30 pm EDT | Jason B. ShandellPresident, Director | 770 | $10.97 | $8,447 | 160,017 | — | plan? |
| Aug 24, 2015 GForm 4 → | Nov 19, 4:05 pm EST | Richard K PrinsDirector | 3,000 | — | — | 32,722 | — | plan? late |
| Aug 17, 2015 MForm 4 → | Aug 19, 8:18 pm EDT | Jack Y. Zhang +1CEO & Chief Scientific Officer, Director, 10% Owner | 16,962 | $12.97 | $219,997 | 670,147 | — | plan? |
| Aug 17, 2015 SForm 4 → | Aug 19, 8:05 pm EDT | Richard K PrinsDirector | 14,500 | $14.67 | $212,779 | 35,722 | −28.9% | plan? |
| Aug 17, 2015 MForm 4 → | Aug 19, 8:05 pm EDT | Richard K PrinsDirector | 7,500 | $10.77 | $80,775 | 44,822 | — | plan? |
| Jul 17, 2015 SForm 4 → | Jul 21, 7:55 pm EDT | Stephen B. ShohetDirector | 7,692 | $17.41 | $133,923 | 12,186 | −38.7% | plan? |
| Jul 17, 2015 MForm 4 → | Jul 21, 7:55 pm EDT | Stephen B. ShohetDirector | 7,692 | $11.68 | $89,843 | 19,878 | — | plan? |
| Jul 17, 2015 SForm 4 → | Jul 21, 7:53 pm EDT | Michael A ZasloffDirector | 7,692 | $17.41 | $133,900 | 26,325 | −22.6% | plan? |
| Jul 17, 2015 MForm 4 → | Jul 21, 7:53 pm EDT | Michael A ZasloffDirector | 7,692 | $11.68 | $89,843 | 34,017 | — | plan? |
| Jun 17, 2015 SForm 4 → | Jun 19, 4:30 pm EDT | Rong ZhouEVP, Production | 1,000 | $16.48 | $16,480 | 26,232 | −3.67% | plan? |
| Jun 15, 2015 AForm 4 → | Jun 17, 6:06 pm EDT | Rong ZhouEVP, Production | 1,544 | — | — | 27,232 | — | plan? |
| Jun 15, 2015 SForm 4 → | Jun 17, 6:01 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 45,382 | $16.29 | $739,445 | 916,315 | −4.72% | plan? |
| Jun 15, 2015 FMForm 4 → | Jun 17, 6:01 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 54,740 | $13.25 | $725,530 | 911,636 | — | plan? |
| Jun 10, 2015 SForm 4/A → | Feb 3, 2016, 7:41 pm EST | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 160,495 | $16.23 | $2,605,207 | 679,750 | −19.1% | plan? |
| 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 | $12.97 | $2,293,874 | 718,221 | — | plan? |
| Jun 10, 2015 SForm 4 → | Jun 12, 9:30 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 160,495 | $16.23 | $2,605,207 | 665,418 | −19.4% | plan? |
| Jun 5, 2015 FMForm 4 → | Jun 12, 9:30 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 215,584 | $13.58 | $2,927,407 | 661,666 | — | plan? late |
| Jun 5, 2015 SForm 4 → | Jun 9, 8:34 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 193,758 | $16.43 | $3,183,419 | 673,524 | −22.3% | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:26 pm EDT | Michael A ZasloffDirector | 8,686 | — | — | 26,325 | — | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:24 pm EDT | Stephen B. ShohetDirector | 8,686 | — | — | 12,186 | — | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:20 pm EDT | Floyd F. PetersenDirector | 8,686 | — | — | 50,298 | — | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:18 pm EDT | Howard LeeDirector | 8,686 | — | — | 109,901 | — | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:17 pm EDT | Richard KooDirector | 8,686 | — | — | 223,408 | — | plan? |
| May 20, 2015 SForm 4 → | May 22, 7:51 pm EDT | Richard K PrinsDirector | 29,452 | $14.77 | $435,085 | 36,051 | −45.0% | plan? |
| May 20, 2015 MForm 4 → | May 22, 7:51 pm EDT | Richard K PrinsDirector | 29,452 | $11.57 | $340,718 | 37,993 | — | plan? |
| May 19, 2015 SForm 4 → | May 20, 4:30 pm EDT | Richard K PrinsDirector | 3,000 | $14.94 | $44,825 | 36,051 | −7.68% | plan? |
| May 19, 2015 MForm 4 → | May 20, 4:30 pm EDT | Richard K PrinsDirector | 3,000 | $11.68 | $35,040 | 39,051 | — | plan? |
| Apr 21, 2015 FForm 4 → | Apr 23, 9:01 pm EDT | William J PetersCFO, SVP & Treasurer | 1,384 | $15.21 | $21,051 | 32,735 | — | plan? |
| Apr 14, 2015 AFForm 4 → | Jun 17, 6:08 pm EDT | Diane G. GerstEVP, QA & Regulatory Affairs | 2,406 | $15.22 | $13,120 | 20,178 | — | plan? late |
| Apr 9, 2015 SForm 4 → | Apr 10, 7:29 pm EDT | Marilyn J. PurchaseCorp. Exec. VP of Operations | 28,000 | $15.79 | $442,120 | 44,902 | −38.4% | plan? |
| Apr 9, 2015 MForm 4 → | Apr 10, 7:29 pm EDT | Marilyn J. PurchaseCorp. Exec. VP of Operations | 28,000 | $14.80 | $414,400 | 72,902 | — | plan? |
| Apr 8, 2015 SForm 4 → | Apr 10, 7:31 pm EDT | Diane G. GerstCorp. SVP of Quality Assurance | 10,000 | $15.79 | $157,900 | 19,496 | −33.9% | plan? |
| Apr 8, 2015 MForm 4 → | Apr 10, 7:31 pm EDT | Diane G. GerstCorp. SVP of Quality Assurance | 10,000 | $14.80 | $148,000 | 29,496 | — | plan? |
| Mar 27, 2015 FForm 4 → | Jul 7, 5:14 pm EDT | Jason B. ShandellPresident, Director | 9,289 | $16.09 | $149,472 | 160,787 | — | plan? late |
| Mar 27, 2015 FForm 4 → | Jun 17, 6:14 pm EDT | Marilyn J. PurchaseOther | 1,639 | $15.43 | $25,290 | 43,263 | — | plan? late |
| Mar 27, 2015 FMForm 4 → | Jun 9, 8:34 pm EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 245,635 | $13.27 | $3,258,500 | 699,324 | — | plan? late |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:06 am EDT | Diane G. GerstCorp. SVP of Quality Assurance | 6,688 | — | — | 19,496 | — | plan? |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:03 am EDT | William J PetersCFO, SVP & Treasurer | 19,397 | — | — | 34,119 | — | plan? |
| Mar 26, 2015 AForm 4 → | Mar 30, 6:00 am EDT | Jack Y. Zhang +1CEO & Chief Science Officer, Director, 10% Owner | 178,929 | — | — | 670,307 | — | 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 | — |