Entity Common Stock, Shares Outstanding of Alector, Inc. from 06 May 2019 to 20 Feb 2026

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
Alector, Inc. quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 06 May 2019 to 20 Feb 2026.
  • Alector, Inc. Entity Common Stock, Shares Outstanding for the quarter ending 20 Feb 2026 was 110,362,581, a 10% increase year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

Alector, Inc. Quarterly Entity Common Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q1 2026 110,362,581 +10,369,981 +10% 20 Feb 2026 10-K 25 Feb 2026 2025 FY
Q3 2025 109,151,472 +11,218,867 +11% 31 Oct 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 101,212,329 +3,891,267 +4% 01 Aug 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 99,992,600 +3,608,038 +3.7% 02 May 2025 10-Q 08 May 2025 2025 Q1
Q3 2024 97,932,605 +13,796,224 +16% 01 Nov 2024 10-Q 06 Nov 2024 2024 Q3
Q2 2024 97,321,062 +13,490,762 +16% 02 Aug 2024 10-Q 07 Aug 2024 2024 Q2
Q1 2024 96,384,562 +13,032,784 +16% 03 May 2024 10-Q 08 May 2024 2024 Q1
Q3 2023 84,136,381 +1,434,842 +1.7% 02 Nov 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 83,830,300 +1,266,379 +1.5% 28 Jul 2023 10-Q 03 Aug 2023 2023 Q2
Q1 2023 83,351,778 +1,024,856 +1.2% 28 Apr 2023 10-Q 04 May 2023 2023 Q1
Q3 2022 82,701,539 +1,425,442 +1.8% 03 Nov 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 82,563,921 +1,688,498 +2.1% 29 Jul 2022 10-Q 04 Aug 2022 2022 Q2
Q1 2022 82,326,922 +2,559,710 +3.2% 29 Apr 2022 10-Q 05 May 2022 2022 Q1
Q3 2021 81,276,097 +2,033,388 +2.6% 31 Oct 2021 10-Q 04 Nov 2021 2021 Q3
Q2 2021 80,875,423 +1,613,257 +2% 30 Jul 2021 10-Q 03 Aug 2021 2021 Q2
Q1 2021 79,767,212 +785,096 +0.99% 30 Apr 2021 10-Q 05 May 2021 2021 Q1
Q3 2020 79,242,709 +10,318,979 +15% 01 Nov 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 79,262,166 +10,430,309 +15% 01 Aug 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 78,982,116 +10,110,324 +15% 01 Mar 2020 10-K 24 Mar 2020 2019 FY
Q3 2019 68,923,730 01 Nov 2019 10-Q 12 Nov 2019 2019 Q3
Q2 2019 68,831,857 01 Aug 2019 10-Q 12 Aug 2019 2019 Q2
Q1 2019 68,871,792 06 May 2019 10-Q 13 May 2019 2019 Q1
* An asterisk sign (*) next to the value indicates that the value is likely invalid.