| 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 |
|---|---|---|---|---|---|---|---|---|---|
SER sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 8.56M | $19.27M | - | |
| Dir | 231.7K | $521.3K | - | |
| Dir | 12.2K | $20.1K | - | |
| Dir | 10.1K | $17.9K | - | |
| CEO | 10.1K | $19.5K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jul 7, 2026 | Brannan Stephen K. | Director | Buy | 1,000 | $2.03 | $2,030.00 | New | -6.0% | - | |
| Jun 12, 2026 | Wilson Karen J | Director | Buy | 10,100 | $1.76 | $17,749.50 | New | +35.9% | - | |
| May 22, 2026 | Venkatesan Jay | Director | Buy | 589 | $1.78 | $1,048.42 | New | +33.8% | - | |
| May 22, 2026 | Wilson Karen J | Director | Buy | 20,000 | $1.85 | $37,000.00 | New | +33.8% | - | |
| May 19, 2026 | Marshall Richard Peter | Director | Buy | 12,183 | $1.65 | $20,101.95 | New | +77.0% | - | |
| Mar 23, 2026 | Moreadith Randall89 | Chief Scientific Officer | Sale+OE | 6,500 | $2.86 | $18,567.90 | - | -40.0% | - | |
| Mar 19, 2026 | Moreadith Randall89 | Chief Scientific Officer | Sale+OE | 39,000 | $2.50 | $97,500.00 | - | -20.2% | - | |
| Feb 2, 2026 | Moreadith Randall89 | Chief Scientific Officer | Sale+OE | 6,500 | $3.03 | $19,680.05 | - | -30.1% | - | |
| Jan 28, 2026 | Moreadith Randall89 | Chief Scientific Officer | Sale+OE | 6,500 | $3.57 | $23,185.50 | - | -32.0% | - | |
| Jan 22, 2026 | Moreadith Randall89 | Chief Scientific Officer | Sale+OE | 2,500 | $2.95 | $7,375.00 | - | -34.1% | - |