Amphastar P (AMPH) Insider Trading

Total insider buys:
  • $595,500.00
Total insider sells:
  • $107,890,321.95
Most recent insider trade:
  • Nov. 12, 2024
Most active insider trader:
  • Floyd F Petersen
Trader NameDateTitleAmountPriceTypeTotal Value
March 15, 2021CFO4,244$19.03Sell$80,763.32
Feb. 18, 2021CEO30,467$18.59Sell$566,381.53
Feb. 11, 2021CEO19,823$19.06Sell$377,826.38
Feb. 9, 2021CEO40,886$18.92Sell$773,563.12
Feb. 4, 2021CEO25,570$18.89Sell$483,017.30
Feb. 2, 2021CEO37,931$18.43Sell$699,068.33
Feb. 1, 2021Director639$18.26Sell$11,668.14
Jan. 19, 2021CFO6,495$18.67Sell$121,261.65
Dec. 1, 2020Director500$17.87Sell$8,935.00
Nov. 2, 2020Director500$19.84Sell$9,920.00
Sept. 1, 2020Director500$19.90Sell$9,950.00
Aug. 14, 2020Director1,000$20.26Buy$20,260.00
Aug. 14, 2020CFO5,512$20.36Sell$112,224.32
Aug. 11, 2020Director6,000$20.33Sell$121,980.00
Aug. 3, 2020Director500$20.62Sell$10,310.00
July 21, 2020EVP5,978$21.22Sell$126,853.16
July 6, 2020CFO13,656$22.00Sell$300,432.00
July 1, 2020Director500$22.27Sell$11,135.00
June 9, 2020EVP23,405$20.12Sell$470,908.60
June 3, 2020EVP13,163$18.82Sell$247,727.66
June 1, 2020Director500$18.97Sell$9,485.00
May 27, 2020Director47,782$18.18Sell$868,676.76
May 20, 2020Director17,782$18.43Sell$327,722.26
May 14, 2020Director14,832$18.00Sell$266,976.00
May 12, 2020Director10,000$19.00Sell$190,000.00
May 1, 2020Director500$16.66Sell$8,330.00
April 1, 2020Director500$14.36Sell$7,180.00
March 13, 2020CFO4,701$13.94Sell$65,531.94
Feb. 6, 2020General Counsel21,933$19.83Sell$434,931.39
Jan. 21, 2020CFO3,990$20.07Sell$80,079.30
Jan. 8, 2020General Counsel25,000$18.44Sell$461,000.00
Jan. 2, 2020Director1,000$19.14Sell$19,140.00
Dec. 18, 2019General Counsel8,205$19.13Sell$156,961.65
Dec. 2, 2019Director500$19.25Sell$9,625.00
Nov. 1, 2019Director500$19.48Sell$9,740.00
Oct. 1, 2019Director500$19.92Sell$9,960.00
Sept. 18, 2019General Counsel7,340$21.32Sell$156,488.80
Sept. 16, 2019Director500$21.75Sell$10,875.00
Sept. 16, 2019CFO9,800$21.76Sell$213,248.00
Sept. 13, 2019SVP3,000$21.45Sell$64,350.00
Sept. 11, 2019CEO300,000$20.82Sell$6,246,000.00
Sept. 5, 2019SVP1,515$21.24Sell$32,178.60
Aug. 26, 2019Director7,500$22.59Sell$169,425.00
Aug. 23, 2019Director3,882$22.58Sell$87,655.56
Aug. 15, 2019CFO4,942$21.00Sell$103,782.00
Aug. 13, 2019Director10,000$20.78Sell$207,800.00
Aug. 13, 2019SVP5,000$20.73Sell$103,650.00
July 10, 2019Insider6,615$20.31Sell$134,350.65
May 6, 2019EVP9,600$22.76Sell$218,496.00
May 1, 2019Insider10,000$21.97Sell$219,700.00
  • Insiders are both buying and selling Amphastar P stock.

  • The insider traders at Amphastar P are: Floyd F Petersen, William J Peters, Richard K Prins, Rong Zhou, Yakob Liawatidewi, Jason B Shandell, Diane G Gerst, Jack Y Zhang, Michael A Zasloff, Stephen B Shohet, Howard Lee, William J. Peters, Jason B. Shandell, Richard Koo, Mary Z Luo, Marilyn J Purchase, Gerst Diane G., David Maris, Physics & Chemistry La Applied, Liawatidewi Yakob, Richard K. Prins, and Stephen B. Shohet

  • The most active insider trader at Amphastar P is Floyd F Petersen with 48 trades.

  • Jack Y Zhang has sold the most Amphastar P stock with a total value of $34,149,391.40.

  • Jack Y Zhang has bought the most Amphastar P stock with a total value of $804,000.00.

  • The most recent insider trade for Amphastar P was on Nov. 12, 2024.

  • The single biggest insider buy for Amphastar P was from Jack Y Zhang with a total value of $402,000.00 on May 15, 2018.

  • The single biggest insider sell for Amphastar P was from Jack Y Zhang with a total value of $9,341,504.97 on Sept. 20, 2016.