| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in ALT over the last quarter tilts toward buying: insiders added a net 15,000 shares worth roughly $44K.
Classified under Biotechnology (Health Care sector), ALT's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 424.5K | $1.30M | - | |
| Other | 113.7K | $274.5K | - | |
| Other | 70.1K | $215.2K | - | |
| CEO | 62.5K | $184.4K | - | |
| CFO | 49.9K | $137.8K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 22, 2025 | Durso Jerome Benedict | Director | Buy | 12,500 | $4.13 | $51,568.75 | New | -16.9% | - | |
| Mar 17, 2025 | Sohn Catherine A.55 | Director | Buy | 1,000 | $5.78 | $5,784.50 | New | +15.1% | -40.9% | |
| Mar 13, 2025 | Weaver Gregory L | Chief Financial Officer | Buy | 10,000 | $5.20 | $51,996.00 | New | +25.8% | -32.7% | |
| Aug 19, 2024 | Drutz David65 | Director | Sale+OE | 16,011 | $6.90 | $110,547.03 | -22.4% | -5.2% | -52.0% | |
| Aug 15, 2023 | Drutz David65 | Director | Buy | 300 | $2.88 | $862.50 | +1.0% | -13.2% | +119.9% | |
| Mar 24, 2023 | Eisenstadt Richard I | Chief Financial Officer | Buy | 10,000 | $4.31 | $43,140.00 | +83.3% | -3.7% | +110.2% | |
| Mar 23, 2023 | Harris Matthew Scott | Chief Medical Officer | Buy | 10,000 | $4.22 | $42,200.00 | +42.9% | 0.0% | +116.7% | |
| Mar 23, 2023 | Drutz David65 | Director | Buy | 9,000 | $4.27 | $38,430.00 | +43.9% | 0.0% | +116.7% | |
| Dec 22, 2022 | Pisano Wayne67 | Director | Sale+OE | 20,000 | $15.01 | $300,268.00 | -70.2% | -73.2% | -40.8% | |
| Aug 31, 2022 | Garg Vipin K | President and CEO | Sell | 20,000 | $20.02 | $400,322.00 | -7.8% | -57.2% | -88.5% |