NASDAQ:AMPH | Insider Transactions — Page 3 | Amphastar Pharmaceuticals, Inc.

AMPH Insider Transactions — Page 3

576 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 201–300; provenance stays internal.

Insider profileRoleDateTransactionSharesPrice
Zhou RongEVP, Production Center2021-07-20Sale5,187.0$20.57
Liawatidewi YakobEVP Corp Admin Center2021-07-15Sale31,524.0$20.01
PETERS WILLIAM JCFO, EVP & Treasurer2021-07-07Sale10,000.0$20.37
Zhou RongEVP, Production Center2021-06-09Sale4,732.0$19.58
Zhou RongEVP, Production Center2021-06-08Sale8,180.0$19.34
Lee HowardDirector2021-06-08Sale8,000.0$19.31
PRINS RICHARD KDirector2021-06-07Sale5,000.0$18.7
Petersen Floyd F.Director2021-06-07Sale15,827.0$19.34
Lee HowardDirector2021-06-07Sale7,827.0$19.28
PRINS RICHARD KDirector2021-06-04Sale5,000.0$18.77
Petersen Floyd F.Director2021-06-03Sale10,000.0$18.65
Koo RichardDirector2021-06-01Sale25,827.0$19.28
Lee HowardDirector2021-05-20Sale10,000.0$19.74
Liawatidewi YakobSVP Corp Admin Center2021-05-17Sale9,637.0$19.99
Liawatidewi YakobSVP Corp Admin Center2021-05-14Sale3,186.0$19.92
Zhou RongEVP, Production Center2021-05-14Sale17,419.0$19.72
Zhou RongEVP, Production Center2021-05-13Sale700.0$19.58
ZASLOFF MICHAEL ADirector2021-05-13Sale25,827.0$19.34
Liawatidewi YakobEVP Corp Admin Center2021-05-12Sale4,592.0$19.33
PRINS RICHARD KDirector2021-05-11Sale15,827.0$18.9
Liawatidewi YakobEVP Corp Admin Center2021-05-11Sale10,000.0$19.06
PETERS WILLIAM JCFO, SVP & Treasurer2021-03-15Sale4,244.0$19.03
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-18Sale407.0$18.58
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-18Sale407.0$18.58
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-18Sale407.0$18.58
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-17Sale13,801.0$18.67
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-17Sale13,801.0$18.67
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-17Sale13,801.0$18.67
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-16Sale16,259.0$18.51
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-16Sale16,259.0$18.51
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-16Sale16,259.0$18.51
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-12Sale13,277.0$18.94
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-12Sale13,277.0$18.94
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-12Sale13,277.0$18.94
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-11Sale19,823.0$19.06
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-11Sale19,823.0$19.06
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-11Sale19,823.0$19.06
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-10Sale15,747.0$18.76
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-10Sale15,747.0$18.76
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-10Sale15,747.0$18.76
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-09Sale11,927.0$18.93
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-09Sale11,927.0$18.93
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-09Sale11,927.0$18.93
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-08Sale13,452.0$18.89
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-08Sale13,452.0$18.89
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-08Sale13,452.0$18.89
Luo Mary Z.COO, Chief Scientist & Chairma2021-02-05Sale15,507.0$18.94
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-05Sale15,507.0$18.94
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-05Sale15,507.0$18.94
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-04Sale25,570.0$18.89
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-04Sale25,570.0$18.89
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-04Sale25,570.0$18.89
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-03Sale16,299.0$18.36
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-03Sale16,299.0$18.36
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-03Sale16,299.0$18.36
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-02Sale13,817.0$18.66
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-02Sale13,817.0$18.66
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-02Sale13,817.0$18.66
Luo Mary Z.COO,Chief Scientist & Chairman2021-02-01Sale24,114.0$18.29
Zhang Jack Y.CEO & Chief Scientific Officer2021-02-01Sale24,114.0$18.29
Applied Physics & Chemistry Laboratories, Inc.TenPercentOwner2021-02-01Sale24,114.0$18.29
Petersen Floyd F.Director2021-02-01Sale639.0$18.26
PETERS WILLIAM JCFO, SVP & Treasurer2021-01-19Sale6,495.0$18.67
Petersen Floyd F.Director2020-12-01Sale500.0$17.87
Petersen Floyd F.Director2020-11-02Sale500.0$19.84
Petersen Floyd F.Director2020-10-01Sale500.0$18.89
Petersen Floyd F.Director2020-09-01Sale500.0$19.9
Maris DavidDirector2020-08-14Purchase1,000.0$20.26
PETERS WILLIAM JCFO, SVP & Treasurer2020-08-14Sale5,512.0$20.36
PRINS RICHARD KDirector2020-08-11Sale6,000.0$20.33
Petersen Floyd F.Director2020-08-03Sale500.0$20.62
Liawatidewi YakobEVP Corp Admin Center2020-07-21Sale5,978.0$21.22
Liawatidewi YakobEVP Corp Admin Center2020-07-20Sale4,186.0$21.03
PETERS WILLIAM JCFO, SVP & Treasurer2020-07-06Sale13,656.0$22.0
Petersen Floyd F.Director2020-07-01Sale500.0$22.27
Liawatidewi YakobEVP Corp Admin Center2020-06-09Sale23,405.0$20.41
Zhou RongEVP, Production Center2020-06-04Sale9,806.0$19.19
Zhou RongEVP, Production Center2020-06-03Sale13,163.0$18.82
Petersen Floyd F.Director2020-06-01Sale500.0$18.97
Koo RichardDirector2020-05-27Sale47,782.0$18.18
Lee HowardDirector2020-05-26Sale10,000.0$18.6
Lee HowardDirector2020-05-22Sale10,000.0$18.36
Lee HowardDirector2020-05-21Sale10,000.0$18.47
Lee HowardDirector2020-05-20Sale17,782.0$18.43
ZASLOFF MICHAEL ADirector2020-05-15Sale22,950.0$18.03
Petersen Floyd F.Director2020-05-15Sale42,682.0$18.25
ZASLOFF MICHAEL ADirector2020-05-14Sale14,832.0$18.0
Petersen Floyd F.Director2020-05-14Sale5,000.0$17.78
ZASLOFF MICHAEL ADirector2020-05-12Sale10,000.0$19.0
PRINS RICHARD KDirector2020-05-12Sale30,282.0$19.0
Petersen Floyd F.Director2020-05-12Sale100.0$19.2
Petersen Floyd F.Director2020-05-01Sale500.0$16.66
Petersen Floyd F.Director2020-04-01Sale500.0$14.36
PETERS WILLIAM JCFO, SVP & Treasurer2020-03-13Sale1,737.0$14.43
PETERS WILLIAM JCFO, SVP & Treasurer2020-03-13Sale2,964.0$13.66
Petersen Floyd F.Director2020-03-02Sale500.0$15.56
Shandell Jason B.President and General Counsel2020-02-07Sale6,853.0$19.88
Shandell Jason B.President and General Counsel2020-02-06Sale21,933.0$19.83
Shandell Jason B.President and General Counsel2020-02-05Sale15,615.0$19.57
Petersen Floyd F.Director2020-02-03Sale500.0$19.12