Russell Barton
Insider
First SEC filing: June 30, 2021 · Latest: June 30, 2021
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net: $-29,956
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 22, 2026 | ABOS | S 10b5-1 | 462 | $1.84 | $850 | 205,092 Direct | -0.22% | Disposed | 15.8% (price as of 2026-10-05) |
| Jan. 21, 2026 | ABOS | S 10b5-1 | 2,315 | $1.81 | $4,190 | 205,554 Direct | -1.11% | Disposed | 17.7% (price as of 2026-10-05) |
| Jan. 16, 2026 | ABOS | A | 84,600 | · | · | 207,869 Direct | +68.63% | Acquired | (price as of 2026-10-05) |
| Jan. 16, 2026 | ABOS | A | 126,900 | · | · | 126,900 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 8, 2026 | ABOS | S 10b5-1 | 3,530 | $1.86 | $6,566 | 123,269 Direct | -2.78% | Disposed | 14.5% (price as of 2026-10-05) |
| Jan. 7, 2026 | ABOS | S 10b5-1 | 1,700 | $1.99 | $3,383 | 126,799 Direct | -1.32% | Disposed | 7.0% (price as of 2026-10-05) |
| Jan. 6, 2026 | ABOS | S 10b5-1 | 3,618 | $1.97 | $7,127 | 128,499 Direct | -2.74% | Disposed | 8.1% (price as of 2026-10-05) |
| Jan. 5, 2026 | ABOS | S 10b5-1 | 4,000 | $1.96 | $7,840 | 132,117 Direct | -2.94% | Disposed | 8.7% (price as of 2026-10-05) |
| Jan. 21, 2025 | ABOS | S 10b5-1 | 2,914 | $1.61 | $4,692 | 136,117 Direct | -2.10% | Disposed | 32.3% (price as of 2026-10-05) |
| Jan. 6, 2025 | ABOS | A | 49,800 | · | · | 139,031 Direct | +55.81% | Acquired | (price as of 2026-10-05) |
| Jan. 6, 2025 | ABOS | A | 74,700 | · | · | 74,700 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2025 | ABOS | S 10b5-1 | 7,636 | $1.86 | $14,203 | 89,231 Direct | -7.88% | Disposed | 14.5% (price as of 2026-10-05) |
| Jan. 18, 2024 | ABOS | S 10b5-1 | 2,833 | $3.73 | $10,567 | 96,867 Direct | -2.84% | Disposed | -42.9% (price as of 2026-10-05) |
| Jan. 2, 2024 | ABOS | A | 73,000 | · | · | 99,700 Direct | +273.41% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | ABOS | A | 110,000 | · | · | 110,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 17, 2023 | ABOS | A | 120,200 | · | · | 120,200 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 17, 2023 | ABOS | A | 26,700 | · | · | 26,700 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2022 | ABOS | A | 135,000 | · | · | 135,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 16, 2026 | ABOS | Employee Stock Option (right to buy) | Common Stock | $1.89 | Jan. 16, 2036 | 126,900 | Acquired |
| Jan. 6, 2025 | ABOS | Employee Stock Option (right to buy) | Common Stock | $1.85 | Jan. 6, 2035 | 74,700 | Acquired |
| Jan. 2, 2024 | ABOS | Employee Stock Option (right to buy) | Common Stock | $4.23 | Jan. 1, 2034 | 110,000 | Acquired |
| Jan. 17, 2023 | ABOS | Employee Stock Option (right to buy) | Common Stock | $6.11 | Jan. 16, 2033 | 120,200 | Acquired |
| Jan. 19, 2022 | ABOS | Employee Stock Option (right to buy) | Common Stock | $5.19 | Jan. 19, 2032 | 135,000 | 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.