Aaron Kantoff
First SEC filing: May 27, 2021 · Latest: June 4, 2026
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 2, 2026 | AVTX | A | 20,100 | · | · | 20,100 Direct | · | Acquired | (price as of 2026-10-06) |
| March 28, 2026 | AVTX | M | 3,166 | · | · | 6,333 Direct | +99.97% | Acquired | (price as of 2026-10-06) |
| March 28, 2026 | AVTX | M | 3,166 | · | · | 3,167 Direct | -49.99% | Disposed | (price as of 2026-10-06) |
| June 17, 2025 | AVTX | A | 20,100 | · | · | 20,100 Direct | · | Acquired | (price as of 2026-10-06) |
| March 28, 2025 | AVTX | M | 3,167 | · | · | 3,167 Direct | · | Acquired | (price as of 2026-10-06) |
| March 28, 2025 | AVTX | M | 3,167 | · | · | 6,333 Direct | -33.34% | Disposed | (price as of 2026-10-06) |
| Aug. 13, 2024 | AVTX | A | 24,600 | · | · | 24,600 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 13, 2024 | AVTX | A | 9,500 | · | · | 9,500 Direct | · | Acquired | (price as of 2026-10-06) |
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 2, 2026 | AVTX | Stock Option (Right to Buy) | Common Stock | $13.96 | June 2, 2036 | 20,100 | Acquired |
| March 28, 2026 | AVTX | Restricted Stock Units | Common Stock | · | · | 3,166 | Disposed |
| June 17, 2025 | AVTX | Stock Option (Right to Buy) | Common Stock | $4.47 | June 17, 2035 | 20,100 | Acquired |
| March 28, 2025 | AVTX | Restricted Stock Units | Common Stock | · | · | 3,167 | Disposed |
| Aug. 13, 2024 | AVTX | Stock Option (Right to Buy) | Common Stock | $9.88 | Aug. 13, 2034 | 24,600 | Acquired |
| Aug. 13, 2024 | AVTX | Restricted Stock Units | Common Stock | · | · | 9,500 | 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 |
|---|---|---|---|---|
| May 27, 2021 | CNTA | Ordinary Shares [F1,F2] | 50,000 | Direct |
| May 27, 2021 | CNTA | Share Option (right to buy) | 200,000 | Direct |