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Alto Neuroscience, Inc. (New York Stock Exchange:ANRO)
US · Delayed Price · Currency is USD
Healthcare · Biotechnology
22.12+0.15 (+0.68%)
Insider Score
––Not scored
ANRO Insider Score
Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.
ANRO Stock Insider Trading Activity
ANRO stock’s insider trading shows 3 sales on the open market for an estimated $3.57M by company insiders over the last 6 months.
Not enough price history.
Insider Trading Activity (Form 4 Filings)
An insider trade occurs when an individual that has non-public information about a company buys or sells shares of that company’s stock. Examples of insiders include a company’s executive officers (CEO, CFO, COO), its board of directors, and its major shareholders. Insiders are required to submit their trading activity to the SEC through Form 4 filings.
Scored window · last 90 days0 qualifying buys0 insiders$0 bought— these are the numbers in the rankings table; the full history below shows every filing (buys, sells and older activity).
| Insider | Action | Shares | Avg Cost | Total | Δ Holdings | Held After | Date | Grade | Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| Smith Nicholas Conrad CFO | Option exercise | 55,000 | $2.32 | $127.60K | 229% | 79,060 | Oct 2, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Sell | 886 | $26.87 | $23.81K | 3.6% | 24,060 | Sep 30, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Option exercise | 24,056 | $2.35 | $56.53K | 100.0% | 48,116 | Sep 30, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Sell | 23,170 | $25.78 | $597.29K | 48.2% | 24,946 | Sep 30, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Option exercise | 54,375 | $2.35 | $127.78K | 67.5% | 134,890 | Sep 29, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Option exercise | 56,455 | $2.35 | $132.67K | 235% | 80,515 | Sep 29, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Sell | 110,830 | $26.58 | $2.95M | 82.2% | 24,060 | Sep 29, 2026 | — | Form 4 |
| Etkin Amit CEO | Gift | 400,000 | — | — | 32.4% | 833,949 | May 14, 2026 | — | Form 4 |
| Etkin Amit CEO | Tax withheld | 6,227 | $19.69 | $122.61K | 0.5% | 1,233,949 | Mar 1, 2026 | — | Form 4 |
| Smith Nicholas Conrad CFO | Tax withheld | 2,806 | $19.69 | $55.25K | 10.4% | 24,060 | Mar 1, 2026 | — | Form 4 |
What these mean— the action is the SEC’s own Form 4 transaction code. Only a buy or a sell is an open-market trade; the rest are transfers, awards and exercises, which is why they carry no price.
- Sell (S) — Open-market or private sale
- Tax withheld (F) — Shares withheld to pay tax or an exercise price
- Option exercise (M) — Exercise or conversion of an exempt derivative
- Gift (G) — Bona fide gift
Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.