NASDAQ:AMPH | Insider Transactions — Page 4 | Amphastar Pharmaceuticals, Inc.

AMPH Insider Transactions — Page 4

576 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 301–400; provenance stays internal.

Insider profileRoleDateTransactionSharesPrice
PETERS WILLIAM JCFO, SVP & Treasurer2020-01-21Sale3,990.0$20.07
Shandell Jason B.President and General Counsel2020-01-08Sale25,000.0$18.44
Petersen Floyd F.Director2020-01-02Sale1,000.0$19.14
Shandell Jason B.President and General Counsel2019-12-18Sale8,205.0$19.13
Petersen Floyd F.Director2019-12-02Sale500.0$19.25
Petersen Floyd F.Director2019-11-01Sale500.0$19.48
Petersen Floyd F.Director2019-10-01Sale500.0$19.92
Shandell Jason B.President and General Counsel2019-09-18Sale7,340.0$21.32
PETERS WILLIAM JCFO, SVP & Treasurer2019-09-16Sale9,800.0$21.76
Petersen Floyd F.Director2019-09-16Sale500.0$21.75
Liawatidewi YakobSVP Corp Admin Center2019-09-13Sale3,000.0$21.45
Luo Mary Z.COO,Chief Scientist & Chairman2019-09-11Sale300,000.0$20.82
Zhang Jack Y.CEO & Chief Scientific Officer2019-09-11Sale300,000.0$20.82
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2019-09-11Sale300,000.0$20.82
Liawatidewi YakobSVP Corp Admin Center2019-09-06Sale2,395.0$21.9
Liawatidewi YakobSVP Corp Admin Center2019-09-05Sale1,515.0$21.24
PRINS RICHARD KDirector2019-08-26Sale3,618.0$22.6
PRINS RICHARD KDirector2019-08-23Sale3,882.0$22.58
PETERS WILLIAM JCFO, SVP & Treasurer2019-08-15Sale4,942.0$21.0
PRINS RICHARD KDirector2019-08-13Sale10,000.0$20.78
Liawatidewi YakobSVP Corp Admin Center2019-08-13Sale5,000.0$20.73
Liawatidewi YakobSVP Corp Admin Center2019-08-12Sale10,518.0$20.44
Shandell Jason B.President and General Counsel2019-07-10Sale6,615.0$20.31
Zhou RongEVP, Production Center2019-05-06Sale9,600.0$22.76
Shandell Jason B.President and General Counsel2019-05-01Sale10,000.0$21.97
Shandell Jason B.President and General Counsel2019-04-16Sale9,478.0$20.67
Shandell Jason B.President and General Counsel2019-03-15Sale24,508.0$20.34
Shandell Jason B.President and General Counsel2019-03-14Sale7,828.0$20.37
PETERS WILLIAM JCFO, SVP & Treasurer2019-03-04Sale1,500.0$25.36
Zhou RongEVP, Production Center2019-03-01Sale3,200.0$25.0
Shandell Jason B.President and General Counsel2019-03-01Sale7,500.0$24.99
PETERS WILLIAM JCFO, SVP & Treasurer2019-02-15Sale10,016.0$24.37
Shandell Jason B.President and General Counsel2019-02-14Sale7,519.0$23.99
Liawatidewi YakobSVP Corp Admin Center2019-02-14Sale4,868.0$24.0
Liawatidewi YakobSVP Corp Admin Center2019-02-12Sale4,000.0$23.7
Zhou RongEVP, Production Center2019-02-05Sale4,289.0$23.0
Liawatidewi YakobSVP Corp Admin Center2019-02-05Sale11,397.0$23.18
Shandell Jason B.President and General Counsel2019-01-23Sale200.0$22.95
Shandell Jason B.President and General Counsel2019-01-23Sale15,297.0$22.39
Liawatidewi YakobSVP Corp Admin Center2019-01-23Sale4,000.0$22.65
Liawatidewi YakobSVP Corp Admin Center2019-01-22Sale3,000.0$22.35
Liawatidewi YakobSVP Corp Admin Center2019-01-16Sale3,175.0$22.15
Liawatidewi YakobSVP Corp Admin Center2019-01-14Sale8.0$22.15
PETERS WILLIAM JCFO, SVP & Treasurer2019-01-02Sale3,245.0$19.52
PRINS RICHARD KDirector2018-12-14Sale1,616.0$20.65
Luo Mary Z.COO,Chief Scientist & Chairman2018-12-14Sale43,577.0$20.48
Zhang Jack Y.CEO & Chief Scientific Officer2018-12-14Sale43,577.0$20.48
Luo Mary Z.COO,Chief Scientist & Chairman2018-12-13Sale29,689.0$20.99
Zhang Jack Y.CEO & Chief Scientific Officer2018-12-13Sale29,689.0$20.99
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2018-12-13Sale29,689.0$20.99
Luo Mary Z.COO,Chief Scientist & Chairman2018-12-12Sale37,469.0$21.21
Zhang Jack Y.CEO & Chief Scientific Officer2018-12-12Sale37,469.0$21.21
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2018-12-12Sale37,469.0$21.21
Luo Mary Z.COO,Chief Scientist & Chairman2018-12-11Sale3,253.0$22.13
Zhang Jack Y.CEO & Chief Scientific Officer2018-12-11Sale3,253.0$22.13
Luo Mary Z.COO,Chief Scientist & Chairman2018-12-11Sale63,504.0$21.43
Zhang Jack Y.CEO & Chief Scientific Officer2018-12-11Sale63,504.0$21.43
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2018-12-11Sale3,253.0$22.13
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2018-12-11Sale63,504.0$21.43
Koo RichardDirector2018-12-11Sale29,278.0$21.32
Shohet Stephen B.Director2018-12-10Sale58,557.0$21.72
Lee HowardDirector2018-12-07Sale9,278.0$21.89
Lee HowardDirector2018-12-06Sale5,794.0$21.45
Lee HowardDirector2018-12-06Sale4,206.0$20.91
Lee HowardDirector2018-12-04Sale1,011.0$22.55
Lee HowardDirector2018-12-04Sale8,989.0$21.85
Zhou RongEVP, Production Center2018-12-03Sale1,089.0$22.0
Shandell Jason B.President and General Counsel2018-12-03Sale16,630.0$22.44
PETERS WILLIAM JCFO, SVP & Treasurer2018-12-03Sale10,000.0$22.4
Liawatidewi YakobSVP Corp Admin Center2018-11-30Sale2,480.0$21.48
Liawatidewi YakobSVP Corp Admin Center2018-11-30Sale11,500.0$21.5
PRINS RICHARD KDirector2018-11-29Sale5,000.0$20.5
Liawatidewi YakobSVP Corp Admin Center2018-11-28Sale1,520.0$20.49
Liawatidewi YakobSVP Corp Admin Center2018-11-23Sale1,299.0$20.26
ZASLOFF MICHAEL ADirector2018-11-14Sale29,278.0$20.39
PRINS RICHARD KDirector2018-11-14Sale5,000.0$20.23
Shandell Jason B.President and General Counsel2018-11-14Sale400.0$20.19
Shandell Jason B.President and General Counsel2018-11-14Sale15,615.0$20.41
PETERS WILLIAM JCFO, SVP & Treasurer2018-11-12Sale3,172.0$20.61
Zhou RongEVP, Production Center2018-11-09Sale1,089.0$21.0
PETERS WILLIAM JCFO, SVP & Treasurer2018-11-09Sale10,000.0$21.47
Liawatidewi YakobSVP Corp Admin Center2018-11-09Sale11,808.0$21.21
Shandell Jason B.President and General Counsel2018-11-09Sale16,095.0$20.99
Zhou RongEVP, Production Center2018-11-08Sale1,084.0$20.0
PETERS WILLIAM JCFO, SVP & Treasurer2018-11-08Sale8,528.0$20.85
PETERS WILLIAM JCFO, SVP & Treasurer2018-11-08Sale16,784.0$20.26
Liawatidewi YakobSVP Corp Admin Center2018-11-08Sale6,000.0$20.5
Shandell Jason B.President and General Counsel2018-11-08Sale36,201.0$20.68
PETERS WILLIAM JCFO, SVP & Treasurer2018-08-16Sale2,407.0$17.59
PRINS RICHARD KDirector2018-08-14Sale10,000.0$17.82
Shandell Jason B.President and General Counsel2018-07-11Sale14,399.0$16.77
PETERS WILLIAM JCFO, SVP & Treasurer2018-07-09Sale3,250.0$16.46
ZASLOFF MICHAEL ADirector2018-06-12Sale15,000.0$16.52
Luo Mary Z.COO,Chief Scientist & Chairman2018-05-16Purchase15,000.0$16.06
Zhang Jack Y.CEO & Chief Scientific Officer2018-05-16Purchase15,000.0$16.06
Luo Mary Z.COO,Chief Scientist & Chairman2018-05-15Purchase25,000.0$16.08
Zhang Jack Y.CEO & Chief Scientific Officer2018-05-15Purchase25,000.0$16.08
Shandell Jason B.President and General Counsel2018-03-20Sale8,293.0$19.52
Shandell Jason B.President and General Counsel2018-03-19Sale11,707.0$19.37
PRINS RICHARD KDirector2018-03-15Sale16,598.0$19.9