Daniel Konstanski
Insider
First SEC filing: Sept. 18, 2025 · Latest: Sept. 18, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | ARTNA | J | 750 | $35.07 | $26,302 | 750 Direct | · | Acquired | -4.1% (price as of 2026-10-02) |
| Sept. 16, 2026 | ARTNA | J | 750 | $35.07 | $26,302 | 0 Direct | -100.00% | Disposed | -4.1% (price as of 2026-10-02) |
| Sept. 16, 2025 | ARTNA | A | 750 | $32.08 | $24,060 | 750 Direct | · | Acquired | 4.8% (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 |
|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | Sept. 17, 2026 | 750 | Disposed |
| Sept. 16, 2025 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | Sept. 17, 2026 | 750 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).