Eric Mosbrooker
CIK 1715283 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 8, 2025 · Latest: Jan. 8, 2025
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | RNA | D | 50,000 | — | — | 0 Direct | -100.00% | Disposed | |
| Feb. 27, 2026 | RNA | D | 177,188 | — | — | 0 Direct | -100.00% | Disposed | |
| Feb. 27, 2026 | RNA | D | 79,413 | — | — | 0 Direct | -100.00% | Disposed | |
| June 15, 2022 | RNA | A | 22,000 | — | — | 22,000 Direct | — | Acquired | |
| Aug. 25, 2021 | RNA | A | 30,000 | — | — | 30,000 Direct | — | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (50,000) | $31.42 | Jan. 5, 2035 | 50,000 | Disposed |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (177,188) | $9.05 | Dec. 31, 2033 | 177,188 | Disposed |
| June 15, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (22,000) | $12.03 | June 14, 2032 | 22,000 | Acquired |
| Aug. 25, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (30,000) | $20.83 | Aug. 24, 2031 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 8, 2025 | RNA | Common Stock | 36,120 | Direct |
| Jan. 8, 2025 | RNA | Stock Option (Right to Buy)→ Common Stock (315,000) | 315,000 | Direct |