— Know what they know.
Not Investment Advice

ALEC Smart Money

Alector, Inc.
1W: +6.6% 1M: +9.4% 3M: +38.2% YTD: +37.2% 1Y: +40.0% 3Y: -60.3% 5Y: -90.8%
$2.10
+0.27 (+14.75%)
After Hours: $1.96 (-0.14, -6.67%)
Weekly Expected Move ±11.0%
$1 $2 $2 $2 $2
NASDAQ · Healthcare · Biotechnology · Tech Score Sell · Power 39 · $234.5M mcap · 82M float · 3.05% daily turnover · Short 53% of daily vol
Credit Risk of going bust: higher than 66% of companies Debt: 13.8% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the middle of the pack, about 1 in 580 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.03 (down 99%), Alector, Inc. would be worth roughly what it owes.
Total debt $32.8M against a stock market value of $204.3M.
Distance to default 3.71 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $9.8M (short-term plus half of long-term), stock volatility 79.7%; Altman Z'' -15.59. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.

🏦 Institutional Activity

Latest: Q2 2026
151
Institutions Holding
-6 vs prior
75.1%
Ownership
-2.21%
15 New
59 Increased
44 Reduced
9 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-10-14 Berkley Neil Lindsay officer: cfo & chief business officer A-Grant/Award 44,567 $— $0 Filing
2026-10-14 Wong-Sarad Grace officer: principal accounting officer A-Grant/Award 55,555 $— $0 Filing
2026-10-14 Rosenthal Arnon officer: chief executive officer A-Grant/Award 217,500 $— $0 Filing
2026-09-04 Wong-Sarad Grace officer: principal accounting officer S-Sale 3,625 $2.51 $9K Filing
2026-09-03 Rosenthal Arnon officer: chief executive officer S-Sale 72,606 $2.66 $193K Filing
2026-09-03 Berkley Neil Lindsay officer: cfo & chief business officer S-Sale 29,251 $2.66 $78K Filing
2026-09-03 Wong-Sarad Grace officer: principal accounting officer S-Sale 5,165 $2.67 $14K Filing
2026-09-02 Wong-Sarad Grace officer: principal accounting officer S-Sale 656 $2.75 $2K Filing
2026-08-19 Rosenthal Arnon officer: chief executive officer G-Gift 350,000 $— $0 Filing
2026-08-19 Rosenthal Arnon officer: chief executive officer G-Gift 1,050,000 $— $0 Filing
2026-07-09 Wong-Sarad Grace officer: principal accounting officer A-Grant/Award 20,000 $— $0 Filing
2026-06-17 DESOUZA ERROL B director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 Altmeyer Mark director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 LAVIGNE LOUIS J JR director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 GAROFALO ELIZABETH A. director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 Hammond Paula director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 SCHELLER RICHARD H director A-Grant/Award 28,700 $— $0 Filing
2026-06-17 Yaffe Kristine director A-Grant/Award 28,700 $— $0 Filing
2026-06-03 Wong-Sarad Grace officer: principal accounting officer S-Sale 3,475 $1.88 $7K Filing
2026-06-02 Berkley Neil Lindsay officer: cfo & chief business officer S-Sale 19,360 $1.97 $38K Filing
2026-06-02 Wong-Sarad Grace officer: principal accounting officer S-Sale 5,709 $1.97 $11K Filing
2026-06-02 Rosenthal Arnon officer: chief executive officer S-Sale 87,216 $1.97 $172K Filing
2026-06-01 SCHELLER RICHARD H director A-Grant/Award 10,833 $— $0 Filing
2026-04-16 Wong-Sarad Grace officer: principal accounting officer S-Sale 1,820 $2.65 $5K Filing
2026-03-15 Berkley Neil Lindsay officer: cfo & chief business officer A-Grant/Award 54,600 $— $0 Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
TCG Crossover Management, LLC 10,000,000 $20M — 2026-06-30 Filing
BlackRock, Inc. 7,847,879 $16M +106,634 2026-06-30 Filing
Nantahala Capital Management, LLC 4,318,109 $9M +1,502,126 2026-06-30 Filing
VANGUARD CAPITAL MANAGEMENT LLC 4,009,340 $8M +330,618 2026-06-30 Filing
Kynam Capital Management, LP 3,808,494 $8M +1,808,494 2026-06-30 Filing
Merck & Co., Inc. 3,545,719 $7M — 2026-06-30 Filing
Balyasny Asset Management L.P. 3,247,426 $7M +312,173 2026-06-30 Filing
683 Capital Management, LLC 3,200,000 $6M — 2026-06-30 Filing
D. E. Shaw & Co., Inc. 2,959,983 $6M -372,852 2026-06-30 Filing
ADAR1 Capital Management, LLC 2,883,583 $6M +1,833,583 2026-06-30 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 2,820,493 $6M +236,951 2026-06-30 Filing
GEODE CAPITAL MANAGEMENT, LLC 2,454,271 $5M +168,053 2026-06-30 Filing
Spruce Street Capital LP 2,101,068 $4M — 2026-06-30 Filing
MILLENNIUM MANAGEMENT LLC 1,988,835 $4M +9,609 2026-06-30 Filing
Ikarian Capital, LLC 1,982,606 $4M -100,000 2026-06-30 Filing
STATE STREET CORP 1,879,765 $4M +14,239 2026-06-30 Filing
JACOBS LEVY EQUITY MANAGEMENT, INC 1,765,929 $4M -388,432 2026-06-30 Filing
MEDICI CAPITAL LLC 1,652,520 $3M — 2026-06-30 Filing
Affinity Asset Advisors, LLC 1,510,000 $3M +1,010,000 2026-06-30 Filing
Eversept Partners, LP 1,423,873 $3M +72,767 2026-06-30 Filing

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms