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Alector Inc (ALEC) Insider Trading

Total insider buys:
  • $8,386,100.00
Total insider sells:
  • $90,889,532.87
Most recent insider trade:
  • June 20, 2025
Most active insider trader:
  • Robert Paul
Trader NameDateTitleAmountPriceTypeTotal Value
March 23, 2021Insider13,800$22.21Sell$306,498.00
March 9, 2021Insider19,175$18.12Sell$347,451.00
Feb. 9, 2021Insider19,175$20.81Sell$399,031.75
Jan. 26, 2021Insider27,308$18.00Sell$491,544.00
Jan. 19, 2021Insider30,000$18.12Sell$543,600.00
July 15, 2020Insider10,000$22.96Sell$229,600.00
June 23, 2020Director4,377$31.54Sell$138,050.58
June 15, 2020Insider10,000$29.61Sell$296,100.00
June 3, 2020VP1,343$31.26Sell$41,982.18
April 16, 2020Major Shareholder62,183$23.53Sell$1,463,165.99
April 15, 2020Insider10,000$22.27Sell$222,700.00
April 14, 2020Major Shareholder23,231$23.52Sell$546,393.12
April 9, 2020Major Shareholder288,101$23.79Sell$6,853,922.79
April 7, 2020Major Shareholder9,170$23.10Sell$211,827.00
March 31, 2020Major Shareholder250,000$24.50Sell$6,125,000.00
March 25, 2020Major Shareholder56,411$24.66Sell$1,391,095.26
March 23, 2020Major Shareholder14,598$26.05Sell$380,277.90
March 13, 2020Insider10,000$22.93Sell$229,300.00
Feb. 6, 2020Insider100$35.00Sell$3,500.00
Feb. 4, 2020VP63,541$30.04Sell$1,908,771.64
Feb. 4, 2020Insider16,667$30.00Sell$500,010.00
Feb. 3, 2020Director20,000$28.19Buy$563,800.00
Jan. 30, 2020Insider8,000$28.00Sell$224,000.00
Jan. 27, 2020Insider14,467$25.05Sell$362,398.35
Jan. 23, 2020Insider2,200$25.21Sell$55,462.00
Jan. 21, 2020Insider14,997$22.01Sell$330,083.97
Jan. 15, 2020Insider10,000$18.67Sell$186,700.00
Jan. 9, 2020Major Shareholder379,997$19.50Sell$7,409,941.50
Dec. 17, 2019Major Shareholder954,100$18.52Sell$17,669,932.00
Dec. 12, 2019Insider6,810$20.13Sell$137,085.30
Dec. 9, 2019Insider2,300$20.07Sell$46,161.00
Dec. 6, 2019Insider5,156$20.02Sell$103,223.12
Dec. 3, 2019VP1,315$19.39Sell$25,497.85
Nov. 15, 2019Insider7,500$15.46Sell$115,950.00
Oct. 15, 2019Insider10,000$15.01Sell$150,100.00
Sept. 20, 2019Insider4,000$20.00Sell$80,000.00
Sept. 16, 2019Insider10,000$19.08Sell$190,800.00
Aug. 20, 2019Insider2,000$16.00Sell$32,000.00
Aug. 15, 2019Insider10,000$14.19Sell$141,900.00
Aug. 7, 2019Major Shareholder650,000$17.90Sell$11,635,000.00
Feb. 11, 2019Director411,700$19.00Buy$7,822,300.00
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  • Insiders are both buying and selling Alector Inc stock.

  • The insider traders at Alector Inc are: Robert Paul, Arnon Rosenthal, Orbimed Advisors Llc, Marc Grasso, Sabah Oney, Calvin Yu, Gary Romano, Sara Kenkare-Mitra, Robert King, Richard H Scheller, Shehnaaz Suliman, Terrance Mcguire, David M Wehner, Kristine Yaffe, Paula Hammond, and Polaris Venture Management Co.

  • The most active insider trader at Alector Inc is Robert Paul with 24 trades.

  • Orbimed Advisors Llc has sold the most Alector Inc stock with a total value of $55,149,721.55.

  • Orbimed Advisors Llc has bought the most Alector Inc stock with a total value of $15,644,600.00.

  • The most recent insider trade for Alector Inc was on June 20, 2025.

  • The single biggest insider buy for Alector Inc was from Orbimed Advisors Llc with a total value of $7,822,300.00 on Feb. 11, 2019.

  • The single biggest insider sell for Alector Inc was from Orbimed Advisors Llc with a total value of $17,669,932.00 on Dec. 17, 2019.