Common Stock, Shares, Issued of Alector, Inc. from Q4 2018 to Q3 2025

Taxonomy & unit
us-gaap: shares
Description
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
Summary
Alector, Inc. quarterly Common Stock, Shares, Issued history and change rate from Q4 2018 to Q3 2025.
  • Alector, Inc. Common Stock, Shares, Issued for the quarter ending 30 Sep 2025 was 107,446,056, a 9.7% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Issued, Quarterly (shares)
Common Stock, Shares, Issued, YoY Quarterly Change (%)

Alector, Inc. Quarterly Common Stock, Shares, Issued (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 107,446,056 +9,516,159 +9.7% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 101,212,329 +3,891,267 +4% 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 99,992,600 +3,608,038 +3.7% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 99,085,888 +14,206,195 +17% 31 Dec 2024 10-Q 06 Nov 2025 2025 Q3
Q3 2024 97,929,897 +13,793,516 +16% 30 Sep 2024 10-Q 06 Nov 2024 2024 Q3
Q2 2024 97,321,062 +13,490,762 +16% 30 Jun 2024 10-Q 07 Aug 2024 2024 Q2
Q1 2024 96,384,562 +13,032,784 +16% 31 Mar 2024 10-Q 08 May 2024 2024 Q1
Q4 2023 84,879,693 +1,983,975 +2.4% 31 Dec 2023 10-K 26 Feb 2025 2024 FY
Q3 2023 84,136,381 +1,435,442 +1.7% 30 Sep 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 83,830,300 +1,285,399 +1.6% 30 Jun 2023 10-Q 03 Aug 2023 2023 Q2
Q1 2023 83,351,778 +1,027,101 +1.2% 31 Mar 2023 10-Q 04 May 2023 2023 Q1
Q4 2022 82,895,718 0 0% 31 Dec 2022 10-K 27 Feb 2024 2023 FY
Q3 2022 82,700,939 +1,452,293 +1.8% 30 Sep 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 82,544,901 +2,539,739 +3.2% 30 Jun 2022 10-Q 04 Aug 2022 2022 Q2
Q1 2022 82,324,677 +2,593,030 +3.3% 31 Mar 2022 10-Q 05 May 2022 2022 Q1
Q4 2021 82,895,718 +909,526 +1.1% 31 Dec 2021 10-K 28 Feb 2023 2022 FY
Q3 2021 81,248,646 30 Sep 2021 10-Q 04 Nov 2021 2021 Q3
Q2 2021 80,005,162 +752,767 +0.95% 30 Jun 2021 10-Q 03 Aug 2021 2021 Q2
Q1 2021 79,731,647 +715,178 +0.9% 31 Mar 2021 10-Q 05 May 2021 2021 Q1
Q4 2020 81,986,192 +12,933,319 +19% 31 Dec 2020 10-K 24 Feb 2022 2021 FY
Q2 2020 79,252,395 +10,420,538 +15% 30 Jun 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 79,016,469 +10,144,677 +15% 31 Mar 2020 10-Q 13 May 2020 2020 Q1
Q4 2019 69,052,873 +55,288,044 +402% 31 Dec 2019 10-K 25 Feb 2021 2020 FY
Q3 2019 68,922,249 30 Sep 2019 10-Q 12 Nov 2019 2019 Q3
Q2 2019 68,831,857 30 Jun 2019 10-Q 12 Aug 2019 2019 Q2
Q1 2019 68,871,792 31 Mar 2019 10-Q 13 May 2019 2019 Q1
Q4 2018 13,764,829 31 Dec 2018 10-K 24 Mar 2020 2019 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.