AZTR's three largest insider shareholders as of September 09, 2026 are Leslie W. Kreis (TenPercentOwner, 6.65Mn shares), Francisco D. Salva (President And Ceo, 4.09Mn shares), Healthcare Llc Bayer (TenPercentOwner, 1.31Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Leslie W. Kreis | TenPercentOwner | 0 | 6,652,361 | 6,652,361 | 52.6% | 23 Jun, 2023 |
| 2 | Francisco D. Salva | President And Ceo | 4,086,291 | 0 | 4,086,291 | 32.3% | 18 Jun, 2026 |
| 3 | Healthcare Llc Bayer | TenPercentOwner | 1,307,401 | 0 | 1,307,401 | 10.3% | 21 Jul, 2023 |
| 4 | Andrew Mcclary | Director | 0 | 308,886 | 308,886 | 2.4% | 29 Jun, 2023 |
| 5 | Aaron G.L. Fletcher | TenPercentOwner | 0 | 221,723 | 221,723 | 1.8% | 23 Jun, 2023 |
| 6 | Norm Staskey | Chief Financial Officer | 51,100 | 0 | 51,100 | 0.4% | 01 Apr, 2024 |
| 7 | Travis Whitfill | Chief Operating Officer | 11,149 | 0 | 11,149 | 0.1% | 15 Feb, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 16 Jun, 2026 | Francisco D. Salva | President And Ceo | Acquired C | 4,064,050 | — | — | 4,086,291 | Direct |
| 16 Jun, 2026 | Francisco D. Salva | President And Ceo | Disposed C | 500 | — | — | 0 | Direct |
| 20 Apr, 2026 | Norm Staskey | Chief Financial Officer | Acquired A | 35,524 | $0.00 | $0 | 35,524 | Direct |
| 20 Apr, 2026 | Norm Staskey | Chief Financial Officer | Acquired A | 35,524 | $0.00 | $0 | 35,524 | Direct |
| 20 Apr, 2026 | Norm Staskey | Chief Financial Officer | Acquired A | 35,524 | $0.00 | $0 | 35,524 | Direct |
| 20 Apr, 2026 | Norm Staskey | Chief Financial Officer | Acquired A | 35,524 | $0.00 | $0 | 35,524 | Direct |
| 20 Apr, 2026 | Travis Whitfill | Chief Operating Officer | Acquired A | 64,300 | $0.00 | $0 | 64,300 | Direct |
| 20 Apr, 2026 | Francisco D. Salva | President And Ceo | Acquired A | 220,879 | $0.00 | $0 | 220,879 | Direct |
| 18 Mar, 2026 | Francisco D. Salva | President And Ceo | Acquired P | 500 | — | — | 500 | Direct |
| 18 Mar, 2026 | Francisco D. Salva | President And Ceo | Acquired P | 4,064,050 | — | — | 4,064,050 | Direct |
| 18 Mar, 2026 | Francisco D. Salva | President And Ceo | Acquired P | 4,064,050 | — | — | 4,064,050 | Direct |
| 19 Dec, 2025 | Norm Staskey | Chief Financial Officer | Acquired A | 15,015 | $0.00 | $0 | 15,015 | Direct |
| 19 Dec, 2025 | John R. Schroer | Director | Acquired A | 3,003 | $0.00 | $0 | 3,003 | Direct |
| 19 Dec, 2025 | Francisco D. Salva | President And Ceo | Acquired A | 59,309 | $0.00 | $0 | 59,309 | Direct |
| 19 Dec, 2025 | Travis Whitfill | Chief Operating Officer | Acquired A | 23,724 | $0.00 | $0 | 23,724 | Direct |
| 19 Dec, 2025 | Norm Staskey | Chief Financial Officer | Acquired A | 15,015 | $0.00 | $0 | 15,015 | Direct |
| 19 Dec, 2025 | Norm Staskey | Chief Financial Officer | Acquired A | 15,015 | $0.00 | $0 | 15,015 | Direct |
| 19 Dec, 2025 | Norm Staskey | Chief Financial Officer | Acquired A | 15,015 | $0.00 | $0 | 15,015 | Direct |
| 19 Dec, 2025 | Norm Staskey | Chief Financial Officer | Acquired A | 15,015 | $0.00 | $0 | 15,015 | Direct |
| 19 Dec, 2025 | John R. Schroer | Director | Acquired A | 3,003 | $0.00 | $0 | 3,003 | Direct |