ALECTOR INC

Ticker: ALEC CUSIP: 014442107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 22,321 Value ($000) $66 Avg Close $2.20 Range $1.34 - $3.28
Q3 2024
Shares 2,000 Value ($000) $9 Avg Close $5.36 Range $4.22 - $6.78
Q2 2024
Shares 2,000 Value ($000) $9 Avg Close $5.15 Range $4.11 - $6.25
Q3 2022
Shares 1,298 Value ($000) $12 Avg Close $10.81 Range $8.15 - $13.50
Q2 2022
Shares 1,898 Value ($000) $19 Avg Close $9.97 Range $7.50 - $14.63
Q1 2022
Shares 61,998 Value ($000) $883 Avg Close $15.82 Range $11.41 - $21.25
Q4 2021
Shares 198 Value ($000) $4 Avg Close $22.55 Range $18.61 - $27.00
Q3 2021
Shares 22,698 Value ($000) $518 Avg Close $28.01 Range $20.71 - $43.32
Q2 2021
Shares 6,851 Value ($000) $143 Avg Close $18.85 Range $15.04 - $23.42
Q1 2021
Shares 2,654 Value ($000) $53 Avg Close $17.93 Range $14.66 - $23.99
Q4 2020
Shares 3,827 Value ($000) $58 Avg Close $12.43 Range $9.12 - $17.31
Q3 2020
Shares 2,300 Value ($000) $24 Avg Close $16.17 Range $10.45 - $25.73