Aura Biosciences's three largest insider shareholders as of September 29, 2026 are Capital Management Company, Lp Matrix (TenPercentOwner, 4.11Mn shares), Natalie C. Holles (Director, 1.15Mn shares), Los Pinos Elisabet De (Director, 575.82K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Capital Management Company, Lp Matrix | TenPercentOwner | 0 | 4,112,870 | 4,112,870 | 50.7% | 04 Nov, 2021 |
| 2 | Natalie C. Holles | Director, Officer | 1,153,962 | 0 | 1,153,962 | 14.2% | 19 May, 2026 |
| 3 | Los Pinos Elisabet De | Director, Officer | 575,815 | 0 | 575,815 | 7.1% | 03 Mar, 2026 |
| 4 | Janet Jill Hopkins | Chief Medical Officer | 380,190 | 0 | 380,190 | 4.7% | 01 Sep, 2026 |
| 5 | Anthony S Gibney | Officer | 265,354 | 0 | 265,354 | 3.3% | 16 Jun, 2026 |
| 6 | Mark Plavsic | Chief Technology Officer | 243,736 | 0 | 243,736 | 3.0% | 03 Mar, 2026 |
| 7 | Conor Kilroy | General Counsel And Secretary | 232,693 | 0 | 232,693 | 2.9% | 01 Jul, 2026 |
| 8 | David Michael Johnson | Director | 194,167 | 0 | 194,167 | 2.4% | 15 Jun, 2026 |
| 9 | Amy Elazzouzi | Svp, Finance Pao | 143,600 | 0 | 143,600 | 1.8% | 01 Sep, 2026 |
| 10 | Susan Abu-Absi | Chief Operating Officer | 134,513 | 0 | 134,513 | 1.7% | 01 Sep, 2026 |
| 11 | Julie B Feder | Chief Financial Officer | 134,276 | 0 | 134,276 | 1.7% | 21 Oct, 2024 |
| 12 | Julie Person | Chief People Officer | 107,611 | 0 | 107,611 | 1.3% | 01 Sep, 2026 |
| 13 | Erica Kratz | Chief Reg. Quality Officer | 100,885 | 0 | 100,885 | 1.2% | 01 Sep, 2026 |
| 14 | Ventures Management (Jersey) Ltd Medicxi | TenPercentOwner | 0 | 70,540 | 70,540 | 0.9% | 04 Nov, 2021 |
| 15 | Cadmus Rich | Officer | 58,703 | 0 | 58,703 | 0.7% | 23 Jan, 2023 |
| 16 | Rosch Mark De | Chief Operating Officer | 58,635 | 0 | 58,635 | 0.7% | 23 Jan, 2023 |
| 17 | Antony C. Mattessich | Director | 38,500 | 0 | 38,500 | 0.5% | 15 Jun, 2026 |
| 18 | Sapna Srivastava | Director | 38,500 | 0 | 38,500 | 0.5% | 15 Jun, 2026 |
| 19 | Teresa Marie Bitetti | Director | 36,000 | 0 | 36,000 | 0.4% | 15 Jun, 2026 |
| 20 | Jeremy Bender | Director | 30,000 | 0 | 30,000 | 0.4% | 08 Jul, 2026 |
| 21 | Christopher Brett Primiano | Chief Business Officer | 8,750 | 0 | 8,750 | 0.1% | 29 Oct, 2021 |
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 |
|---|---|---|---|---|---|---|---|---|
| 01 Sep, 2026 | Susan Abu-Absi | Chief Operating Officer | Acquired A | 134,513 | $0.00 | $0 | 134,513 | Direct |
| 01 Sep, 2026 | Janet Jill Hopkins | Chief Medical Officer | Acquired A | 58,850 | $0.00 | $0 | 380,190 | Direct |
| 01 Sep, 2026 | Julie Person | Chief People Officer | Acquired A | 107,611 | $0.00 | $0 | 107,611 | Direct |
| 01 Sep, 2026 | Erica Kratz | Chief Reg. Quality Officer | Acquired A | 100,885 | $0.00 | $0 | 100,885 | Direct |
| 01 Sep, 2026 | Amy Elazzouzi | Svp, Finance Pao | Acquired A | 23,540 | $0.00 | $0 | 143,600 | Direct |
| 01 Sep, 2026 | Susan Abu-Absi | Chief Operating Officer | Acquired A | 265,487 | $0.00 | $0 | 265,487 | Direct |
| 01 Sep, 2026 | Janet Jill Hopkins | Chief Medical Officer | Acquired A | 116,150 | $0.00 | $0 | 116,150 | Direct |
| 01 Sep, 2026 | Erica Kratz | Chief Reg. Quality Officer | Acquired A | 199,115 | $0.00 | $0 | 199,115 | Direct |
| 01 Sep, 2026 | Julie Person | Chief People Officer | Acquired A | 212,389 | $0.00 | $0 | 212,389 | Direct |
| 01 Sep, 2026 | Amy Elazzouzi | Svp, Finance Pao | Acquired A | 46,460 | $0.00 | $0 | 46,460 | Direct |
| 07 Jul, 2026 | Jeremy Bender | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 07 Jul, 2026 | Jeremy Bender | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 01 Jul, 2026 | Conor Kilroy | Officer | Acquired A | 14,858 | $0.00 | $0 | 232,693 | Direct |
| 16 Jun, 2026 | Anthony S Gibney | Officer | Disposed S | 12,824 | $6.42 | $82.33K | 265,354 | Direct |
| 11 Jun, 2026 | Teresa Marie Bitetti | Director | Acquired A | 15,000 | $0.00 | $0 | 36,000 | Direct |
| 11 Jun, 2026 | Antony C. Mattessich | Director | Acquired A | 15,000 | $0.00 | $0 | 38,500 | Direct |
| 11 Jun, 2026 | Sapna Srivastava | Director | Acquired A | 15,000 | $0.00 | $0 | 38,500 | Direct |
| 11 Jun, 2026 | David Michael Johnson | Director | Acquired A | 15,000 | $0.00 | $0 | 194,167 | Direct |
| 11 Jun, 2026 | Sapna Srivastava | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 11 Jun, 2026 | Antony C. Mattessich | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |