Lindgardt Zhenya (CIK 1891299) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-10). Recent activity: Sell SERA (20,755 shares), Buy SERA (154,440 shares), Sell SERA (22,639 shares), Sell SERA (2,973 shares), Sell SERA (4,155 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-10 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 20,755 | $43,170 |
| 2026-03-13 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Buy | 154,440 | $0 |
| 2026-03-12 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 22,639 | $43,014 |
| 2026-03-12 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 2,973 | $6,065 |
| 2025-12-11 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 4,155 | $13,753 |
| 2025-12-10 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 28,215 | $85,774 |
| 2025-11-12 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 11,594 | $30,376 |
| 2025-09-12 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 3,246 | $10,160 |
| 2025-09-09 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 21,158 | $66,648 |
| 2025-08-11 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 8,571 | $21,770 |
| 2025-06-11 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 23,042 | $32,950 |
| 2025-06-11 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 3,344 | $4,949 |
| 2025-05-09 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 9,406 | $22,951 |
| 2025-03-10 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Buy | 126,920 | $0 |
| 2025-03-10 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 29,722 | $122,455 |
| 2025-02-14 | SERA PROGNOSTICS, INC. (SERA) | Chief Executive Officer | Sell | 14,075 | $64,464 |
Source: SEC Form 4 filings · as of 2026-06-10