As of September 29, 2026, the three largest insider holders of AZTR are Francisco D. Salva (President And Ceo, 4.09Mn shares), Aaron G.L. Fletcher (TenPercentOwner, 221.72K shares), Leslie W. Kreis (TenPercentOwner, 221.72K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Francisco D. Salva | President And Ceo | 4,086,291 | 0 | 4,086,291 | 88.9% | 18 Jun, 2026 |
| 2 | Aaron G.L. Fletcher | TenPercentOwner | 0 | 221,723 | 221,723 | 4.8% | 23 Jun, 2023 |
| 3 | Leslie W. Kreis | TenPercentOwner | 0 | 221,723 | 221,723 | 4.8% | 23 Jun, 2023 |
| 4 | Healthcare Llc Bayer | TenPercentOwner | 43,576 | 0 | 43,576 | 0.9% | 21 Jul, 2023 |
| 5 | Travis Whitfill | Chief Operating Officer | 11,149 | 0 | 11,149 | 0.2% | 15 Feb, 2024 |
| 6 | Andrew Mcclary | Director | 0 | 10,295 | 10,295 | 0.2% | 29 Jun, 2023 |
| 7 | Norm Staskey | Chief Financial Officer | 1,703 | 0 | 1,703 | 0.0% | 01 Apr, 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 | Travis Whitfill | Chief Operating Officer | Acquired A | 64,300 | $0.00 | $0 | 64,300 | Direct |
| 20 Apr, 2026 | Norm Staskey | Chief Financial Officer | Acquired A | 35,524 | $0.00 | $0 | 35,524 | 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 | Travis Whitfill | Chief Operating Officer | Acquired A | 23,724 | $0.00 | $0 | 23,724 | 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 | Barbara Ryan | Director | Acquired A | 3,003 | $0.00 | $0 | 3,003 | Direct |
| 29 Mar, 2024 | Norm Staskey | Chief Financial Officer | Acquired P | 47,600 | $6.32 | $301.05K | 1,703 | Direct |
| 13 Feb, 2024 | Francisco D. Salva | President And Ceo | Acquired P | 333,300 | $9.00 | $3.00Mn | 11,276 | Direct |
| 13 Feb, 2024 | Travis Whitfill | Chief Operating Officer | Acquired P | 15,000 | $9.00 | $135.01K | 11,149 | Direct |
| 13 Feb, 2024 | Norm Staskey | Chief Financial Officer | Acquired P | 3,300 | $9.00 | $29.70K | 117 | Direct |
| 08 Sep, 2023 | Travis Whitfill | Chief Operating Officer | Acquired A | 10,000 | $0.00 | $0 | 3,438 | Direct |
| 08 Sep, 2023 | John R. Schroer | Director | Acquired A | 10,000 | $0.00 | $0 | 333 | Direct |
| 08 Sep, 2023 | Barbara Ryan | Director | Acquired A | 10,000 | $0.00 | $0 | 333 | Direct |