Barton Russell
Officer · ABOS
As of 2026-09-16, Barton Russell has 12 Form 4 transactions on record across 1 company — 8 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in January in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $535K
- Indirect $0
| ABOS | direct | 205,092 sh | $535K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-01-22 | ABOS | Sale | 462 @ $1.84 | $850 | −0.2% of holding | 205,092 | Form 4 |
| 2026-01-21 | ABOS | Sale | 2,315 @ $1.81 | $4K | −1.1% of holding | 205,554 | Form 4 |
| 2026-01-08 | ABOS | Sale | 3,530 @ $1.86 | $7K | −2.8% of holding | 123,269 | Form 4 |
| 2026-01-07 | ABOS | Sale | 1,700 @ $1.99 | $3K | −1.3% of holding | 126,799 | Form 4 |
| 2026-01-06 | ABOS | Sale | 3,618 @ $1.97 | $7K | −2.7% of holding | 128,499 | Form 4 |
| 2026-01-05 | ABOS | Sale | 4,000 @ $1.96 | $8K | −2.9% of holding | 132,117 | Form 4 |
| 2025-01-21 | ABOS | Sale | 2,914 @ $1.61 | $5K | −2.1% of holding | 136,117 | Form 4 |
| 2025-01-03 | ABOS | Sale | 7,636 @ $1.86 | $14K | −7.9% of holding | 89,231 | Form 4 |
4 award / exercise / gift records — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.