As of August 29, 2026, Aura Biosciences's top three insider holders are Natalie C. Holles (Director, 1.15Mn shares), Los Pinos Elisabet De (Director, 575.82K 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 | Erica Kratz | Chief Reg. Quality Officer | Acquired A | 100,885 | $0.00 | $0 | 100,885 | Direct |
| 01 Sep, 2026 | Julie Person | Chief People Officer | Acquired A | 107,611 | $0.00 | $0 | 107,611 | Direct |
| 01 Sep, 2026 | Susan Abu-Absi | Chief Operating Officer | Acquired A | 134,513 | $0.00 | $0 | 134,513 | Direct |
| 01 Sep, 2026 | Amy Elazzouzi | Svp, Finance Pao | Acquired A | 23,540 | $0.00 | $0 | 143,600 | Direct |
| 01 Sep, 2026 | Janet Jill Hopkins | Chief Medical Officer | Acquired A | 58,850 | $0.00 | $0 | 380,190 | Direct |
| 01 Sep, 2026 | Amy Elazzouzi | Svp, Finance Pao | Acquired A | 46,460 | $0.00 | $0 | 46,460 | Direct |
| 01 Sep, 2026 | Janet Jill Hopkins | Chief Medical Officer | Acquired A | 116,150 | $0.00 | $0 | 116,150 | Direct |
| 01 Sep, 2026 | Julie Person | Chief People Officer | Acquired A | 212,389 | $0.00 | $0 | 212,389 | Direct |
| 01 Sep, 2026 | Erica Kratz | Chief Reg. Quality Officer | Acquired A | 199,115 | $0.00 | $0 | 199,115 | Direct |
| 01 Sep, 2026 | Susan Abu-Absi | Chief Operating Officer | Acquired A | 265,487 | $0.00 | $0 | 265,487 | 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 |
| 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 | David Michael Johnson | Director | Acquired A | 15,000 | $0.00 | $0 | 194,167 | Direct |
| 11 Jun, 2026 | Teresa Marie Bitetti | Director | Acquired A | 15,000 | $0.00 | $0 | 36,000 | Direct |
| 11 Jun, 2026 | Sapna Srivastava | Director | Acquired A | 15,000 | $0.00 | $0 | 38,500 | Direct |