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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
Dec. 12, 2017EVP523$18.96Sell$9,916.08
Dec. 7, 2017Director7,862$18.34Sell$144,189.08
Dec. 1, 2017CFO6,226$19.67Sell$122,465.42
Nov. 30, 2017Director7,862$19.25Sell$151,343.50
Nov. 28, 2017EVP523$18.15Sell$9,492.45
Nov. 22, 2017Director7,862$18.94Sell$148,906.28
Nov. 21, 2017EVP523$18.81Sell$9,837.63
Nov. 16, 2017Director7,862$18.04Sell$141,830.48
Nov. 15, 2017EVP523$17.77Sell$9,293.71
Nov. 9, 2017Director7,862$18.55Sell$145,840.10
Nov. 7, 2017EVP523$17.93Sell$9,377.39
Nov. 2, 2017Director7,862$18.37Sell$144,424.94
Oct. 26, 2017Director7,862$18.39Sell$144,582.18
Oct. 24, 2017EVP523$18.29Sell$9,565.67
Oct. 19, 2017Director7,862$18.34Sell$144,189.08
Oct. 17, 2017EVP523$18.48Sell$9,665.04
Oct. 13, 2017CFO3,026$18.56Sell$56,162.56
Oct. 12, 2017Director7,862$18.73Sell$147,255.26
Oct. 5, 2017EVP8,444$18.87Sell$159,338.28
Oct. 4, 2017Director39,312$18.59Sell$730,810.08
Oct. 2, 2017Director63,624$18.18Sell$1,156,684.32
Aug. 15, 2017Director10,000$14.81Sell$148,100.00
Aug. 14, 2017Director5,000$14.80Sell$74,000.00
June 9, 2017Director10,000$17.07Sell$170,700.00
June 1, 2017Director15,000$17.01Sell$255,150.00
May 31, 2017Director11,482$16.92Sell$194,275.44
May 11, 2017Director7,500$15.43Sell$115,725.00
Jan. 3, 2017Director400$18.61Sell$7,444.00
Dec. 15, 2016EVP2,940$20.51Sell$60,299.40
Dec. 5, 2016EVP61$20.70Sell$1,262.70
Dec. 1, 2016Director400$20.26Sell$8,104.00
Nov. 28, 2016Insider26,335$20.48Sell$539,340.80
Nov. 15, 2016Director37,994$20.65Sell$784,576.10
Oct. 3, 2016Director400$18.75Sell$7,500.00
Sept. 26, 2016Insider56,996$19.50Sell$1,111,422.00
Sept. 20, 2016CEO444,199$21.03Sell$9,341,504.97
Sept. 8, 2016Director3,000$19.05Sell$57,150.00
Sept. 1, 2016Director10,381$18.78Sell$194,955.18
Aug. 22, 2016General Counsel10,000$19.95Sell$199,500.00
Aug. 19, 2016EVP24,046$19.28Sell$463,606.88
Aug. 18, 2016Director3,086$19.62Sell$60,547.32
Aug. 17, 2016Insider5,987$18.86Sell$112,914.82
Aug. 16, 2016Director48,375$18.24Sell$882,360.00
Aug. 15, 2016Director48,375$18.15Sell$878,006.25
Aug. 12, 2016CFO1,027$18.19Sell$18,681.13
Aug. 11, 2016Director13,993$18.03Sell$252,293.79
Aug. 11, 2016President5,636$18.01Sell$101,504.36
July 18, 2016CFO2,297$17.76Sell$40,794.72
June 15, 2016EVP1,551$15.85Sell$24,583.35
June 13, 2016Director7,500$15.94Sell$119,550.00
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  • 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.