Sullivan Christopher Ryan
Officer · AVTX
As of 2026-09-16, Sullivan Christopher Ryan has 41 Form 4 transactions on record across 1 company — 36 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.
Reconstructed holdings
- Direct $1.8M
- Indirect $0
| AVTX | direct | 105,815 sh | $1.8M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-10 | AVTX | Sale | 10,185 @ $17.62 | $179K | −20.3% of holding | 39,900 | Form 4 |
| 2026-08-18 | AVTX | Sale | 31,031 @ $20.05 | $622K | −43.7% of holding | 39,900 | Form 4 |
| 2026-08-17 | AVTX | Sale | 37,945 @ $19.85 | $753K | −46.5% of holding | 43,649 | Form 4 |
| 2026-08-17 | AVTX | Sale | 3,749 @ $19.94 | $75K | −8.6% of holding | 39,900 | Form 4 |
| 2026-05-07 | AVTX | Sale | 18,606 @ $24.12 | $449K | −97.8% of holding | 423 | Form 4 |
| 2026-05-06 | AVTX | Sale | 13,834 @ $18.55 | $257K | −29.2% of holding | 33,589 | Form 4 |
| 2026-05-06 | AVTX | Sale | 12,347 @ $19.28 | $238K | −36.8% of holding | 21,242 | Form 4 |
| 2026-05-06 | AVTX | Sale | 8,900 @ $22.57 | $201K | −95.5% of holding | 423 | Form 4 |
| 2026-05-06 | AVTX | Sale | 9,219 @ $21.37 | $197K | −49.7% of holding | 9,323 | Form 4 |
| 2026-05-06 | AVTX | Sale | 2,700 @ $20.76 | $56K | −12.7% of holding | 18,542 | Form 4 |
| 2026-04-30 | AVTX | Sale | 8,457 @ $13.23 | $112K | −95.2% of holding | 423 | Form 4 |
| 2026-04-29 | AVTX | Sale | 8,458 @ $13.09 | $111K | −48.8% of holding | 8,880 | Form 4 |
| 2026-04-02 | AVTX | Sale | 6,200 @ $17.02 | $106K | −24.5% of holding | 19,118 | Form 4 |
| 2026-04-02 | AVTX | Sale | 1,780 @ $17.57 | $31K | −9.3% of holding | 17,338 | Form 4 |
| 2026-04-01 | AVTX | Sale | 7,479 @ $16.83 | $126K | −22.8% of holding | 25,318 | Form 4 |
| 2026-04-01 | AVTX | Sale | 500 @ $15.86 | $8K | −1.5% of holding | 32,797 | Form 4 |
25 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-10 | AVTX | Option exercise | 10,185 | 50,085 | Form 4 |
| 2026-09-10 | AVTX | Option exercise | 10,185 | 105,815 | Form 4 |
| 2026-08-18 | AVTX | Option exercise | 31,031 | 70,931 | Form 4 |
| 2026-08-18 | AVTX | Option exercise | 31,031 | 96,242 | Form 4 |
| 2026-08-17 | AVTX | Option exercise | 37,945 | 78,718 | Form 4 |
| 2026-08-17 | AVTX | Option exercise | 2,876 | 81,594 | Form 4 |
| 2026-08-17 | AVTX | Option exercise | 37,945 | 130,149 | Form 4 |
| 2026-08-17 | AVTX | Option exercise | 2,876 | 127,273 | Form 4 |
| 2026-06-10 | AVTX | Withheld for tax | 138 | 40,773 | Form 4 |
| 2026-05-21 | AVTX | Award / grant | 39,900 | 40,323 | Form 4 |
| 2026-05-07 | AVTX | Option exercise | 18,606 | 19,029 | Form 4 |
| 2026-05-07 | AVTX | Option exercise | 18,606 | 168,094 | Form 4 |
| 2026-05-06 | AVTX | Option exercise | 47,000 | 47,423 | Form 4 |
| 2026-05-06 | AVTX | Option exercise | 47,000 | 116,000 | Form 4 |
| 2026-03-28 | AVTX | Withheld for tax | 8,241 | 33,297 | Form 4 |
| 2026-03-28 | AVTX | Option exercise | 24,200 | 24,200 | Form 4 |
| 2026-03-28 | AVTX | Option exercise | 24,200 | 41,538 | Form 4 |
| 2026-03-28 | AVTX | Option exercise | 24,200 | 41,538 | Form 4 |
| 2026-02-26 | AVTX | Award / grant | 105,000 | 105,000 | Form 4 |
| 2025-12-10 | AVTX | Withheld for tax | 155 | 17,338 | Form 4 |
| 2025-03-28 | AVTX | Withheld for tax | 7,285 | 16,921 | Form 4 |
| 2025-03-28 | AVTX | Option exercise | 24,200 | 48,400 | Form 4 |
| 2025-03-28 | AVTX | Option exercise | 24,200 | 24,206 | Form 4 |
| 2025-03-28 | AVTX | Option exercise | 24,200 | 24,206 | Form 4 |
| 2025-01-28 | AVTX | Award / grant | 163,000 | 163,000 | Form 4 |
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.