| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | Durso Jerome Benedict | President and CEO | Buy | 15,000 | $2.95 | $44,250.00 | +31.6% | - | - | |
| Apr 6, 2026 | Gill John | Director | Buy | 9,200 | $3.41 | $31,349.92 | +73.6% | -7.5% | - | |
| Apr 1, 2026 | Durso Jerome Benedict | President and CEO | Buy | 15,000 | $3.14 | $47,100.00 | +46.2% | -2.6% | - | |
| Apr 1, 2026 | Weaver Gregory L | Chief Financial Officer | Buy | 10,000 | $3.15 | $31,499.00 | +35.6% | -2.6% | - | |
| Mar 6, 2026 | Durso Jerome Benedict | President and CEO | Buy | 20,000 | $3.54 | $70,790.00 | +160.0% | -17.5% | - | |
| Mar 6, 2026 | Weaver Gregory L | Chief Financial Officer | Buy | 5,000 | $3.54 | $17,700.00 | +21.7% | -17.5% | - | |
| Jan 8, 2026 | Pisano Wayne67 | Director | Buy | 5,000 | $4.08 | $20,410.00 | +58.8% | -17.4% | - | |
| Jan 5, 2026 | Sohn Catherine A.55 | Director | Buy | 500 | $4.24 | $2,117.55 | +50.0% | -18.6% | - | |
| Dec 29, 2025 | Jorkasky Diane | Director | Buy | 527 | $3.80 | $2,002.60 | New | -21.7% | - | |
| Dec 23, 2025 | Gill John | Director | Buy | 12,500 | $4.10 | $51,250.00 | New | -14.0% | - |