Regeneron Pharmaceuticals Inc (REGN) Insider Trading

Total insider buys:
  • $2,302,592,942.58
Total insider sells:
  • $1,647,377,952.91
Most recent insider trade:
  • Aug. 28, 2024
Most active insider trader:
  • Sanofi
Trader NameDateTitleAmountPriceTypeTotal Value
May 14, 2019EVP9,853$305.74Sell$3,012,456.22
March 8, 2019Major Shareholder131,115$412.17Sell$54,041,669.55
Jan. 10, 2019Director1,791$410.00Sell$734,310.00
Dec. 20, 2018VP1,848$358.97Sell$663,376.56
Dec. 12, 2018Chairman6$382.32Sell$2,293.92
Sept. 27, 2018Director2,000$392.26Sell$784,520.00
Sept. 24, 2018Director2,000$388.65Sell$777,300.00
Sept. 6, 2018Major Shareholder104,552$406.68Sell$42,519,207.36
Aug. 22, 2018Director1,500$380.49Sell$570,735.00
Aug. 2, 2018Director2,000$380.00Sell$760,000.00
July 10, 2018Chairman74,670$367.22Sell$27,420,317.40
July 5, 2018Director2,000$360.00Sell$720,000.00
June 21, 2018Chairman74,710$327.87Sell$24,495,167.70
June 8, 2018Major Shareholder121,601$309.31Sell$37,612,405.31
May 24, 2018EVP11,407$295.09Sell$3,366,091.63
May 9, 2018Director7,000$285.29Sell$1,997,030.00
March 19, 2018Director2,000$350.02Sell$700,040.00
March 14, 2018Director2,000$340.00Sell$680,000.00
Feb. 9, 2018Director1,000$325.60Sell$325,600.00
Oct. 5, 2017Director1,500$475.00Sell$712,500.00
Sept. 29, 2017Director2,000$450.00Sell$900,000.00
Sept. 6, 2017SVP663$498.60Sell$330,571.80
Sept. 5, 2017CFO189$501.06Sell$94,700.34
Aug. 31, 2017SVP427$493.43Sell$210,694.61
Aug. 25, 2017Major Shareholder72,378$481.36Buy$34,839,874.08
Aug. 24, 2017Major Shareholder166,415$480.93Buy$80,033,965.95
Aug. 23, 2017SVP468$476.45Sell$222,978.60
Aug. 22, 2017Chairman56,213$474.48Sell$26,671,944.24
Aug. 18, 2017Chairman15,191$470.15Sell$7,142,048.65
Aug. 17, 2017Chairman1,305$470.00Sell$613,350.00
Aug. 16, 2017Chairman10,986$470.17Sell$5,165,287.62
Aug. 8, 2017SVP526$472.19Sell$248,371.94
June 22, 2017SVP2,269$532.42Sell$1,208,060.98
June 22, 2017EVP8,306$532.55Sell$4,423,360.30
June 20, 2017Director3,000$500.00Sell$1,500,000.00
June 16, 2017EVP21,147$468.19Sell$9,900,813.93
June 15, 2017EVP8,567$468.45Sell$4,013,211.15
June 9, 2017Director1,000$482.55Sell$482,550.00
June 2, 2017EVP2,812$479.49Sell$1,348,325.88
June 2, 2017Major Shareholder136,050$478.17Buy$65,055,028.50
May 25, 2017Chairman9,295$458.14Sell$4,258,411.30
May 12, 2017Director3,000$450.00Sell$1,350,000.00
March 29, 2017Director1,000$400.00Sell$400,000.00
Jan. 11, 2017Major Shareholder87,298$369.71Buy$32,274,943.58
Dec. 12, 2016Director3,000$392.02Sell$1,176,060.00
Nov. 15, 2016Director2,000$429.34Sell$858,680.00
Nov. 14, 2016Director2,125$450.00Sell$956,250.00
July 29, 2016Director2,125$425.00Sell$903,125.00
June 14, 2016Major Shareholder64,731$363.86Buy$23,553,021.66
May 24, 2016Director1,000$396.64Sell$396,640.00
  • Insiders are both buying and selling Regeneron Pharmaceuticals Inc stock.

  • The insider traders at Regeneron Pharmaceuticals Inc are: Sanofi, Joseph L Goldstein, Robert E Landry, Arthur F Ryan, Marion Mccourt, Michael S Brown, P Roy Vagelos, George L Sing, Neil Stahl, Bonnie L Bassler, Leonard S Schleifer, Christopher R Fenimore, Joseph J Larosa, Plew Daniel P Van, George Yancopoulos, Michael S Aberman, Marc Tessier-Lavigne, Charles A Baker, Robert J Terifay, Andrew J Murphy, Joseph Goldstein, Peter Powchik, Douglas S Mccorkle, Alfred Gilman, Murray Goldberg, Plew Daniel P. Van, Plew Daniel Van, Robert E. Landry, Douglas Mccorkle, Huda Y Zoghbi, Christine A Poon, Michael Brown, Michael S. Brown, Murray A Goldberg, N Anthony Coles, William Roberts, Arthur F. Ryan, Bonnie L. Bassler, Charles A. Baker, Charles Baker, Douglas S. Mccorkle, George Sing, Jason Pitofsky, Joseph L. Goldstein, Leonard Schleifer, Michael Aberman, Robert Alexander Ingram, Robert Terifay, and Alfred G Gilman

  • The most active insider trader at Regeneron Pharmaceuticals Inc is Sanofi with 39 trades.

  • Leonard S Schleifer has sold the most Regeneron Pharmaceuticals Inc stock with a total value of $335,429,753.65.

  • Sanofi has bought the most Regeneron Pharmaceuticals Inc stock with a total value of $2,337,432,816.66.

  • The most recent insider trade for Regeneron Pharmaceuticals Inc was on Aug. 28, 2024.

  • The single biggest insider buy for Regeneron Pharmaceuticals Inc was from Sanofi with a total value of $125,731,578.12 on March 11, 2014.

  • The single biggest insider sell for Regeneron Pharmaceuticals Inc was from Leonard S Schleifer with a total value of $130,006,000.00 on Aug. 18, 2021.