Joseph Roberts
CIK 2101782 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 19, 2025 · Latest: Dec. 19, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction 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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 17, 2025 | ARCT | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 17, 2025 | ARCT | Employee Stock Option (right to buy) | Common Stock (10,000) | $6.52 | Dec. 17, 2035 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 19, 2025 | ARCT | Common Stock | 2,001 | Direct |
| Dec. 19, 2025 | ARCT | Common Stock | 200 | Indirect |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (5,000) | 5,000 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (5,000) | 5,000 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (2,808) | 2,808 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (6,492) | 6,492 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (7,000) | 7,000 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (7,000) | 7,000 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (7,500) | 7,500 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (1,000) | 1,000 | Direct |
| Dec. 19, 2025 | ARCT | Stock Option (Right to Buy)→ Common Stock (9,000) | 9,000 | Direct |