sec filing
AL
NASDAQ · ALEC
Alector, Inc.
Healthcare · Biotechnology
$1.99
Down-$0.18 (-9.05%)
Updated Oct 7, 2026, 1:31 AM
SID Score
3.5/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 265.24M
- P/E ratio
- -1.75
- Dividend yield
- 0.00%
- 52-week range
- $1.37 – $2.76
- Volume
- 89.98M
- Avg. volume
- 1.15M
Price performance · ALEC
ALEC price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 5, 2026
ALEC closed at $1.99 after 20 trading sessions, down 19.43% for the selected period.
- Last close
- $1.99
- Period change
- -19.43%
- Period low
- $1.81
- Period high
- $2.47
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 5, 2026 | $2.725 | $2.73 | $1.96 | $1.99 | 89.98M |
| Oct 2, 2026 | $1.89 | $1.965 | $1.80 | $1.81 | 1.17M |
| Oct 1, 2026 | $1.82 | $1.91 | $1.805 | $1.86 | 774.59K |
| Sep 30, 2026 | $1.88 | $1.9491 | $1.83 | $1.85 | 792.7K |
| Sep 29, 2026 | $1.95 | $1.95 | $1.86 | $1.87 | 960.74K |
| Sep 28, 2026 | $1.92 | $1.955 | $1.86 | $1.92 | 713.34K |
| Sep 25, 2026 | $1.92 | $2.05 | $1.90 | $1.95 | 1.02M |
| Sep 24, 2026 | $2.02 | $2.05 | $1.905 | $1.92 | 849.55K |
| Sep 23, 2026 | $2.00 | $2.02 | $1.95 | $2.02 | 1.18M |
| Sep 22, 2026 | $1.97 | $2.035 | $1.93 | $2.01 | 1.46M |
| Sep 21, 2026 | $1.90 | $1.945 | $1.85 | $1.93 | 1.28M |
| Sep 18, 2026 | $1.85 | $1.91 | $1.79 | $1.91 | 2.12M |
| Sep 17, 2026 | $1.96 | $1.97 | $1.83 | $1.85 | 931.24K |
| Sep 16, 2026 | $2.06 | $2.06 | $1.91 | $1.925 | 622.26K |
| Sep 15, 2026 | $2.19 | $2.209 | $1.985 | $2.035 | 715.91K |
| Sep 14, 2026 | $2.15 | $2.225 | $2.095 | $2.21 | 2.47M |
| Sep 11, 2026 | $2.17 | $2.22 | $2.02 | $2.14 | 4.7M |
| Sep 10, 2026 | $2.22 | $2.24 | $2.00 | $2.14 | 3.78M |
| Sep 9, 2026 | $2.47 | $2.47 | $2.25 | $2.27 | 505.8K |
| Sep 8, 2026 | $2.38 | $2.61 | $2.33 | $2.47 | 916.85K |
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