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$4.77
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Alector
ALECNASDAQ
Alector (NASDAQ:ALEC) Stock, Insider Trading Activity
Alector: Insider buying and selling updated today.
Institutional Shares Held
40.086M
Institutional Percentage Held
41.6%
| Jun 04, 2024 | Gary Romano | CHIEF MEDICAL OFFICER | -8.04K | $4.80 | -$38.58K | SELL | -4.10% | 188.273K | Jun 03 | View |
| Jun 04, 2024 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -13.206K | $4.80 | -$63.37K | SELL | -4.14% | 305.641K | Jun 03 | View |
| Jun 04, 2024 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -25.135K | $4.80 | -$120.62K | SELL | -0.95% | 2.627745M | Jun 03 | View |
| Jun 04, 2024 | Marc Grasso | CHIEF FINANCIAL OFFICER | -6.92K | $4.80 | -$33.21K | SELL | -4.77% | 138.037K | Jun 03 | View |
| Mar 05, 2024 | Marc Grasso | CHIEF FINANCIAL OFFICER | -5.716K | $6.92 | -$39.56K | SELL | -3.79% | 144.957K | Mar 04 | View |
| Mar 05, 2024 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -18.837K | $6.92 | -$130.39K | SELL | -0.71% | 2.65288M | Mar 04 | View |
| Mar 05, 2024 | Gary Romano | CHIEF MEDICAL OFFICER | -6.001K | $6.92 | -$41.55K | SELL | -2.97% | 196.313K | Mar 04 | View |
| Mar 05, 2024 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -10.169K | $6.92 | -$70.39K | SELL | -3.09% | 318.847K | Mar 04 | View |
| Dec 06, 2023 | Marc Grasso | CHIEF FINANCIAL OFFICER | -4.574K | $5.56 | -$25.43K | SELL | -2.95% | 150.673K | Dec 04 | View |
| Dec 06, 2023 | Gary Romano | CHIEF MEDICAL OFFICER | -5.035K | $5.56 | -$27.99K | SELL | -2.43% | 202.314K | Dec 04 | View |
| Dec 06, 2023 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -23.831K | $5.56 | -$132.50K | SELL | -0.88% | 2.671717M | Dec 04 | View |
| Dec 06, 2023 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -12.519K | $5.56 | -$69.61K | SELL | -3.67% | 329.016K | Dec 04 | View |
| Sep 13, 2023 | Polaris Venture Management Co VI LLCPolaris Venture Partners VI AIV LPPolaris Venture Partners Founders Fund VI LPPolaris Venture Partners VI LPPolaris Venture Partners VI AIVB LP | 10% OWNER | -500K | $6.00 | -$3.00M | SELL | -4.40% | 10.853817M | Sep 11 | View |
| Sep 13, 2023 | Terrance McGuire | DIRECTOR | -500K | $6.00 | -$3.00M | SELL | -4.39% | 10.893216M | Sep 11 | View |
| Sep 06, 2023 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -5.647K | $5.19 | -$29.33K | SELL | -0.25% | 2.297948M | Sep 05 | View |
| Sep 06, 2023 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -6.214K | $5.19 | -$32.28K | SELL | -3.37% | 177.935K | Sep 05 | View |
| Sep 06, 2023 | Gary Romano | CHIEF MEDICAL OFFICER | -2.771K | $5.19 | -$14.39K | SELL | -2.71% | 99.349K | Sep 05 | View |
| Sep 06, 2023 | Marc Grasso | CHIEF FINANCIAL OFFICER | -1.114K | $5.19 | -$5.79K | SELL | -3.34% | 32.247K | Sep 05 | View |
| Jun 05, 2023 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -4.092K | $6.90 | -$28.25K | SELL | -2.17% | 184.149K | Jun 02 | View |
| Jun 05, 2023 | Marc Grasso | CHIEF FINANCIAL OFFICER | -1.05K | $6.90 | -$7.25K | SELL | -3.05% | 33.361K | Jun 02 | View |
| Jun 05, 2023 | Gary Romano | CHIEF MEDICAL OFFICER | -2.617K | $6.90 | -$18.07K | SELL | -2.50% | 102.12K | Jun 02 | View |
| Jun 05, 2023 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -5.255K | $6.90 | -$36.28K | SELL | -0.23% | 2.303595M | Jun 02 | View |
| Mar 21, 2023 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | 27.804K | $6.22 | -$94.43K | GRANT | 1.22% | 2.30885M | Mar 03 - Mar 17 | View |
| Mar 03, 2023 | Gary Romano | CHIEF MEDICAL OFFICER | -5.383K | $8.47 | -$45.61K | SELL | -4.89% | 104.737K | Dec 02 - Mar 02 | View |
| Mar 03, 2023 | Sara KenkareMitra | PRESIDENT AND HEAD R&D | -10.124K | $8.32 | -$84.22K | SELL | -5.10% | 188.241K | Mar 02 | View |
| Mar 03, 2023 | Marc Grasso | CHIEF FINANCIAL OFFICER | -1.291K | $8.32 | -$10.74K | SELL | -3.62% | 34.411K | Mar 02 | View |
| Mar 03, 2023 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -5.849K | $8.32 | -$48.65K | SELL | -0.26% | 2.281046M | Mar 02 | View |
| Sep 07, 2022 | Gary Romano | CHIEF MEDICAL OFFICER | -2.177K | $10.62 | -$23.12K | SELL | -2.36% | 90.073K | Sep 02 | View |
| Sep 07, 2022 | Robert King | CHIEF DEVELOPMENT OFFICER | -176 | $10.62 | -$1.87K | SELL | -0.03% | 529.295K | Sep 02 | View |
| Jun 06, 2022 | Robert King | CHIEF DEVELOPMENT OFFICER | -177 | $8.71 | -$1.54K | SELL | -0.03% | 529.471K | Jun 02 | View |
| Mar 03, 2022 | Robert King | CHIEF DEVELOPMENT OFFICER | -287 | $15.57 | -$4.47K | SELL | -0.05% | 528.404K | Mar 01 | View |
| Dec 14, 2021 | SHEHNAAZ SULIMAN | PRESIDENT AND COO | 0 | $19.37 | -$640.82K | SELL-OPTIONS | 0.00% | 102.598K | Dec 10 - Dec 13 | View |
| Dec 10, 2021 | SHEHNAAZ SULIMAN | PRESIDENT AND COO | 0 | $18.73 | -$1.22M | SELL-OPTIONS | 0.00% | 102.598K | Dec 08 - Dec 09 | View |
| Dec 03, 2021 | Robert King | CHIEF DEVELOPMENT OFFICER | -250 | $20.09 | -$5.02K | SELL | -0.05% | 528.691K | Dec 01 | View |
| Nov 12, 2021 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -110K | $25.00 | -$2.75M | SELL | -3.11% | 3.428101M | Nov 10 - Nov 11 | View |
| Nov 10, 2021 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -200K | $25.00 | -$5.00M | SELL | -8.67% | 2.107726M | Nov 08 - Nov 09 | View |
| Nov 08, 2021 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -200K | $25.00 | -$5.00M | SELL | -8.56% | 2.137726M | Nov 04 - Nov 05 | View |
| Sep 23, 2021 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -109.625K | $25.31 | -$2.77M | SELL | -3.51% | 3.015375M | Sep 22 - Sep 23 | View |
| Sep 22, 2021 | Arnon Rosenthal | CHIEF EXECUTIVE OFFICER | -200K | $25.96 | -$5.19M | SELL | -6.02% | 3.125M | Sep 20 - Sep 21 | View |
| Aug 11, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $18.93 | -$378.52K | SELL-OPTIONS | 0.00% | 234.319K | Aug 09 | View |
| Aug 09, 2021 | RICHARD SCHELLER | DIRECTOR | -9.981K | $19.17 | -$1.30M | SELL | -100.00% | 0 | Jul 02 - Aug 05 | View |
| Jul 08, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $26.33 | -$1.39M | SELL-OPTIONS | 0.00% | 234.319K | Jul 06 - Jul 07 | View |
| Jul 07, 2021 | Calvin Yu | VICE PRESIDENT, FINANCE | -50K | $22.96 | -$2.90M | SELL | -39.47% | 76.686K | Jul 02 - Jul 06 | View |
| Jul 07, 2021 | Robert King | CHIEF DEVELOPMENT OFFICER | 0 | $20.14 | -$1.32M | SELL-OPTIONS | 0.00% | 522.317K | Jul 02 | View |
| Jul 06, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | -39.4K | $22.05 | -$1.23M | SELL | -14.39% | 234.319K | Jul 01 - Jul 02 | View |
| Jun 21, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $15.62 | -$447.02K | SELL-OPTIONS | 0.00% | 273.719K | Jun 15 - Jun 16 | View |
| Jun 10, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $14.28 | -$187.75K | SELL-OPTIONS | 0.00% | 273.719K | Jun 08 | View |
| Jun 03, 2021 | Calvin Yu | VICE PRESIDENT, FINANCE | -1.844K | $17.77 | -$32.77K | SELL | -1.43% | 126.686K | Jun 02 | View |
| May 25, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $13.20 | -$147.93K | SELL-OPTIONS | 0.00% | 273.719K | May 21 | View |
| May 20, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $13.41 | -$38.94K | SELL-OPTIONS | 0.00% | 273.719K | May 18 | View |
| Apr 08, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $14.40 | -$213.86K | SELL-OPTIONS | 0.00% | 213.719K | Apr 07 | View |
| Mar 24, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $15.45 | -$638.47K | SELL-OPTIONS | 0.00% | 213.719K | Mar 22 - Mar 23 | View |
| Mar 10, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $13.25 | -$186.81K | SELL-OPTIONS | 0.00% | 213.719K | Mar 09 | View |
| Feb 11, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $14.59 | -$238.46K | SELL-OPTIONS | 0.00% | 213.719K | Feb 09 | View |
| Jan 27, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $13.19 | -$551.76K | SELL-OPTIONS | 0.00% | 213.719K | Jan 25 - Jan 26 | View |
| Jan 21, 2021 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $13.23 | -$374.81K | SELL-OPTIONS | 0.00% | 213.719K | Jan 19 - Jan 20 | View |
| Jul 17, 2020 | Robert Paul | — | -10K | $22.96 | -$229.64K | SELL | -4.47% | 213.719K | Jul 15 | View |
| Jun 25, 2020 | Terrance McGuire | — | -4.377K | $31.54 | -$138.06K | SELL | -0.03% | 12.853817M | Jun 23 | View |
| Jun 25, 2020 | Polaris Venture Management Co VI LLCPolaris Venture Partners VI AIV LPPolaris Venture Partners Founders Fund VI LPPolaris Venture Partners VI LPPVP VI AIV Feeder Corp Holding Partnership LP | — | -4.377K | $31.54 | -$138.06K | SELL | -0.03% | 12.853817M | Jun 23 | View |
| Jun 17, 2020 | Robert Paul | — | -10K | $29.61 | -$296.14K | SELL | -4.28% | 223.719K | Jun 15 | View |
| Jun 05, 2020 | Calvin Yu | — | -1.343K | $31.26 | -$41.98K | SELL | -1.20% | 110.686K | Jun 03 | View |
| May 19, 2020 | Robert Paul | — | -10K | $27.00 | -$270.03K | SELL | -4.10% | 233.719K | May 15 | View |
| May 19, 2020 | Robert King | — | -15K | $27.00 | -$404.96K | SELL | -3.05% | 477.317K | May 15 | View |
| Apr 17, 2020 | Robert Paul | — | -10K | $22.27 | -$222.70K | SELL | -3.94% | 243.719K | Apr 15 | View |
| Apr 16, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLC | — | -85.414K | $23.53 | -$2.01M | SELL | -4.29% | 1.906718M | Apr 14 - Apr 16 | View |
| Apr 09, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLC | — | -379.885K | $23.74 | -$9.02M | SELL | -16.46% | 1.92744M | Apr 07 - Apr 09 | View |
| Apr 02, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLC | — | -250K | $24.50 | -$6.13M | SELL | -11.02% | 2.019598M | Mar 31 | View |
| Mar 25, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLC | — | -138.653K | $24.70 | -$3.43M | SELL | -6.25% | 2.080243M | Mar 23 - Mar 25 | View |
| Mar 17, 2020 | Robert Paul | — | -10K | $22.93 | -$229.29K | SELL | -3.79% | 253.719K | Mar 13 | View |
| Mar 04, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLCORBIMED CAPITAL LLC | — | -1.874203M | $26.00 | -$48.73M | SELL | -100.00% | 0 | Mar 02 | View |
| Feb 18, 2020 | Robert King | — | -15K | $29.56 | -$443.38K | SELL | -2.96% | 492.317K | Feb 14 | View |
| Feb 18, 2020 | Robert Paul | — | -10K | $29.54 | -$295.39K | SELL | -3.65% | 263.719K | Feb 14 | View |
| Feb 11, 2020 | Sabah Oney | — | -19.9K | $35.03 | -$697.10K | SELL | -3.35% | 573.918K | Feb 07 | View |
| Feb 10, 2020 | Calvin Yu | — | -14.608K | $22.26 | -$818.99K | OPTION EXERCISE | -11.66% | 110.686K | Feb 06 - Feb 07 | View |
| Feb 07, 2020 | Robert Paul | — | 0 | $20.13 | -$239.40K | OPTION EXERCISE | 0.00% | 273.719K | Feb 05 | View |
| Feb 06, 2020 | Sabah Oney | — | -100 | $19.09 | -$367.51K | OPTION EXERCISE | -0.02% | 593.818K | Feb 04 - Feb 06 | View |
| Feb 06, 2020 | RICHARD SCHELLER | — | -10K | $29.67 | -$296.70K | SELL | -50.05% | 9.981K | Feb 04 | View |
| Feb 06, 2020 | Calvin Yu | — | -50K | $19.10 | -$1.80M | OPTION EXERCISE | -28.52% | 125.294K | Feb 04 | View |
| Feb 03, 2020 | David Wehner | — | 20K | $25.00 | $500.00K | PURCHASE | 81.23% | 44.621K | Feb 03 | View |
| Feb 03, 2020 | Robert Paul | — | 0 | $18.08 | -$158.72K | OPTION EXERCISE | 0.00% | 273.719K | Jan 30 | View |
| Jan 27, 2020 | Sabah Oney | — | 0 | $16.62 | -$281.86K | OPTION EXERCISE | 0.00% | 593.918K | Jan 23 - Jan 27 | View |
| Jan 27, 2020 | Robert Paul | — | 0 | $16.24 | -$96.96K | OPTION EXERCISE | 0.00% | 273.719K | Jan 23 | View |
| Jan 23, 2020 | Robert King | — | -15K | $22.01 | -$330.15K | SELL | -2.87% | 507.317K | Jan 21 - Jan 22 | View |
| Jan 17, 2020 | Robert Paul | — | -10K | $18.67 | -$186.70K | SELL | -3.52% | 273.719K | Jan 15 | View |
| Jan 13, 2020 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLCORBIMED CAPITAL LLC | — | -379.997K | $19.50 | -$7.41M | SELL | -90.73% | 38.808K | Jan 09 | View |
| Dec 26, 2019 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLCORBIMED CAPITAL LLC | 10% OWNER | -519.385K | $19.66 | -$10.21M | SELL | -92.82% | 40.2K | Dec 20 - Dec 26 | View |
| Dec 19, 2019 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLCORBIMED CAPITAL LLC | 10% OWNER | -954.1K | $18.52 | -$17.67M | SELL | -90.71% | 97.7K | Dec 17 | View |
| Dec 17, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -10K | $20.03 | -$200.30K | SELL | -3.40% | 283.719K | Dec 13 | View |
| Dec 16, 2019 | Sabah Oney | CHIEF BUSINESS OFFICER | 0 | $14.14 | -$81.50K | SELL-OPTIONS | 0.00% | 593.918K | Dec 12 | View |
| Dec 12, 2019 | Sabah Oney | CHIEF BUSINESS OFFICER | 0 | $14.09 | -$5.92K | SELL-OPTIONS | 0.00% | 593.918K | Dec 10 | View |
| Dec 09, 2019 | Sabah Oney | CHIEF BUSINESS OFFICER | 0 | $14.09 | -$106.30K | SELL-OPTIONS | 0.00% | 593.918K | Dec 05 - Dec 09 | View |
| Dec 05, 2019 | Calvin Yu | VICE PRESIDENT, FINANCE | -1.315K | $18.31 | -$24.08K | SELL | -0.74% | 175.294K | Dec 03 | View |
| Nov 19, 2019 | Robert King | CHIEF DEVELOPMENT OFFICER | -7.5K | $15.92 | -$119.40K | SELL | -1.42% | 522.317K | Nov 15 | View |
| Nov 19, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -10K | $15.93 | -$159.30K | SELL | -3.29% | 293.719K | Nov 15 | View |
| Oct 17, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -10K | $14.68 | -$146.80K | SELL | -3.21% | 301.719K | Oct 15 | View |
| Sep 24, 2019 | Sabah Oney | CHIEF BUSINESS OFFICER | 0 | $14.08 | -$4.74K | SELL-OPTIONS | 0.00% | 593.918K | Sep 20 | View |
| Sep 24, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | 0 | $14.08 | -$47.36K | SELL-OPTIONS | 0.00% | 311.719K | Sep 20 | View |
| Sep 18, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -10K | $19.08 | -$190.80K | SELL | -3.11% | 311.719K | Sep 16 | View |
| Aug 21, 2019 | Robert King | CHIEF DEVELOPMENT OFFICER | -7.5K | $15.00 | -$112.50K | SELL | -1.40% | 529.817K | Aug 19 | View |
| Aug 21, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -2K | $16.00 | -$32.00K | SELL | -0.62% | 321.719K | Aug 19 - Aug 20 | View |
| Aug 19, 2019 | Robert Paul | CHIEF MEDICAL OFFICER | -10K | $14.19 | -$141.90K | SELL | -3.00% | 323.719K | Aug 15 | View |
| Aug 09, 2019 | ORBIMED ADVISORS LLCOrbiMed Capital GP IV LLCORBIMED CAPITAL LLC | 10% OWNER | -650K | $17.90 | -$11.63M | SELL | -17.01% | 3.171804M | Aug 07 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.