Ryan Trimble
First SEC filing: July 14, 2021 · Latest: July 14, 2021
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2025 | SERA | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2025 | SERA | A | 15,596 | · | · | 22,713 Direct | +219.14% | Acquired | (price as of 2026-10-02) |
| June 6, 2024 | SERA | A | 7,117 | · | · | 7,117 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2024 | SERA | A | 10,549 | · | · | 10,549 Direct | · | Acquired | (price as of 2026-10-02) |
| June 8, 2023 | SERA | A | 63,265 | · | · | 63,265 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2022 | SERA | A | 149,675 | · | · | 149,675 Direct | · | Acquired | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 35,375 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 13,335 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 2,970 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 1,501 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 9,824 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 35,375 | · | · | 100,554 Indirect | +54.27% | Acquired | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 13,335 | · | · | 65,179 Indirect | +25.72% | Acquired | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 2,970 | · | · | 51,844 Indirect | +6.08% | Acquired | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 1,501 | · | · | 48,874 Indirect | +3.17% | Acquired | (price as of 2026-10-02) |
| July 19, 2021 | SERA | C | 9,824 | · | · | 47,373 Indirect | +26.16% | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 5, 2025 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.60 | June 5, 2035 | 25,000 | Acquired |
| June 6, 2024 | SERA | Stock Option (right to buy) | Class A Common Stock | $8.43 | June 6, 2034 | 10,549 | Acquired |
| June 8, 2023 | SERA | Stock Option (right to buy) | Class A Common Stock | $3.00 | June 8, 2033 | 63,265 | Acquired |
| June 3, 2022 | SERA | Stock Option (right to buy) | Class A Common Stock | $1.35 | June 3, 2032 | 149,675 | Acquired |
| July 19, 2021 | SERA | Series D Preferred Stock | Class A Common Stock | · | · | 35,375 | Disposed |
| July 19, 2021 | SERA | Series C-1 Preferred Stock | Class A Common Stock | · | · | 13,335 | Disposed |
| July 19, 2021 | SERA | Series B-2 Preferred Stock | Class A Common Stock | · | · | 2,970 | Disposed |
| July 19, 2021 | SERA | Series B-1 Preferred Stock | Class A Common Stock | · | · | 1,501 | Disposed |
| July 19, 2021 | SERA | Series A-2 Preferred Stock | Class A Common Stock | · | · | 9,824 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 14, 2021 | SERA | Class A Common Stock | 37,549 | Indirect |
| July 14, 2021 | SERA | Series A-2 Preferred Stock | 9,824 | Indirect |
| July 14, 2021 | SERA | Series B-1 Preferred Stock | 1,501 | Indirect |
| July 14, 2021 | SERA | Series B-2 Preferred Stock | 2,970 | Indirect |
| July 14, 2021 | SERA | Series C-1 Preferred Stock | 13,335 | Indirect |
| July 14, 2021 | SERA | Series D Preferred Stock | 35,375 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 6,439 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy) | 6,439 | Indirect |