Ryan Trimble
CIK 1871513 · View on SEC EDGAR ↗
Insider
First SEC filing: July 14, 2021 · Latest: July 14, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 12 non-open-market transactions below
last 12 months, based on the transactions shown below
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 2026-08-18) |
| June 5, 2025 | SERA | A | 15,596 | — | — | 22,713 Direct | +219.14% | Acquired | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 35,375 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 13,335 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 2,970 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 1,501 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 9,824 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 35,375 | — | — | 100,554 Indirect | +54.27% | Acquired | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 13,335 | — | — | 65,179 Indirect | +25.72% | Acquired | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 2,970 | — | — | 51,844 Indirect | +6.08% | Acquired | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 1,501 | — | — | 48,874 Indirect | +3.17% | Acquired | (price as of 2026-08-18) |
| July 19, 2021 | SERA | C | 9,824 | — | — | 47,373 Indirect | +26.16% | Acquired | (price as of 2026-08-18) |
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 (25,000) | $1.60 | June 5, 2035 | 25,000 | Acquired |
| July 19, 2021 | SERA | Series D Preferred Stock | Class A Common Stock (35,375) | — | — | 35,375 | Disposed |
| July 19, 2021 | SERA | Series C-1 Preferred Stock | Class A Common Stock (13,335) | — | — | 13,335 | Disposed |
| July 19, 2021 | SERA | Series B-2 Preferred Stock | Class A Common Stock (2,970) | — | — | 2,970 | Disposed |
| July 19, 2021 | SERA | Series B-1 Preferred Stock | Class A Common Stock (1,501) | — | — | 1,501 | Disposed |
| July 19, 2021 | SERA | Series A-2 Preferred Stock | Class A Common Stock (9,824) | — | — | 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→ Class A Common Stock (9,824) | 9,824 | Indirect |
| July 14, 2021 | SERA | Series B-1 Preferred Stock→ Class A Common Stock (1,501) | 1,501 | Indirect |
| July 14, 2021 | SERA | Series B-2 Preferred Stock→ Class A Common Stock (2,970) | 2,970 | Indirect |
| July 14, 2021 | SERA | Series C-1 Preferred Stock→ Class A Common Stock (13,335) | 13,335 | Indirect |
| July 14, 2021 | SERA | Series D Preferred Stock→ Class A Common Stock (35,375) | 35,375 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy)→ Class A Common Stock (6,439) | 6,439 | Indirect |
| July 14, 2021 | SERA | Warrants (Right to Buy)→ Class A Common Stock (6,439) | 6,439 | Indirect |