AURA

Aura Biosciences, Inc.

Biological Products, (No Diagnostic Substances)NasdaqNon-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Total Trades

45

Buys

10

Sells

31

Largest Trade

$1M+

Insiders

11

Institutional Funds

82

Inst. Value

$1M+

Activist Filings

32

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Kilroy ConorSee RemarksSELL$50K–$100K12K$5.05Feb 18, 2026
Plavsic MarkCTOSELL$50K–$100K16K$5.05Feb 18, 2026
Hopkins Janet JillChief Medical Offi…SELL$100K–$500K20K$5.06Feb 18, 2026
Elazzouzi AmySenior Vice PresidentSELL$15K–$50K9K$5.06Feb 18, 2026
de los Pinos ElisabetSee RemarksSELL$100K–$500K48K$5.06Feb 18, 2026
Elazzouzi AmySenior Vice PresidentSELL$1K–$15K2K$4.86Jan 20, 2026
de los Pinos ElisabetSee RemarksSELL$50K–$100K17K$4.86Jan 20, 2026
Hopkins Janet JillChief Medical Offi…SELL$50K–$100K17K$5.42Nov 17, 2025
Elazzouzi AmySenior Vice PresidentSELL$1K–$15K896$6.35Oct 29, 2025
de los Pinos ElisabetSee RemarksSELL$50K–$100K9K$6.35Oct 29, 2025
Johnson David MichaelDirectorBUY$50K–$100K20K$4.90May 20, 2025
Gibney Anthony SSee RemarksSELL$1K–$15K2K$5.15May 20, 2025
Gibney Anthony SSee RemarksBUY$100K–$500K50K$4.90May 20, 2025
Elazzouzi AmySenior Vice PresidentSELL$1K–$15K897$5.49Apr 17, 2025
Kilroy ConorSee RemarksSELL$15K–$50K7K$5.49Apr 17, 2025
de los Pinos ElisabetSee RemarksSELL$100K–$500K16K$7.67Jan 22, 2025
Elazzouzi AmyVice PresidentSELL$1K–$15K1K$7.67Jan 22, 2025
Hopkins Janet JillChief Medical Offi…SELL$100K–$500K12K$9.36Nov 19, 2024
de los Pinos ElisabetSee RemarksSELL$50K–$100K9K$10.74Oct 30, 2024
Elazzouzi AmyVice PresidentSELL$1K–$15K553$10.74Oct 30, 2024
Feder Julie BCFOEXERCISE$50K–$100K25K$3.44Oct 21, 2024
Feder Julie BCFOSELL$100K–$500K25K$12.03Oct 21, 2024
de los Pinos ElisabetSee RemarksEXERCISE$50K–$100K25K$2.74Oct 19, 2024
de los Pinos ElisabetSee RemarksSELL$100K–$500K25K$12.04Oct 19, 2024
Plavsic MarkCTOSELL$50K–$100K7K$9.85Oct 17, 2024
de los Pinos ElisabetSee RemarksSELL$100K–$500K16K$7.64Jan 24, 2024
Feder Julie BCFOSELL$50K–$100K7K$7.64Jan 24, 2024
Johnson David MichaelDirectorBUY$1M+200K$7.19Nov 9, 2023
Matrix Capital Management Company, LP10% OwnerBUY$1M+1.6M$9.00Nov 9, 2023
de los Pinos ElisabetSee RemarksSELL$50K–$100K7K$12.03Nov 7, 2023
de los Pinos ElisabetSee RemarksEXERCISE$1K–$15K4K$2.74Nov 7, 2023
Feder Julie BCFOSELL$15K–$50K4K$12.07Nov 7, 2023
Feder Julie BCFOEXERCISE$1K–$15K4K$2.74Nov 7, 2023
Feder Julie BCFOSELL$15K–$50K3K$6.82Nov 1, 2023
de los Pinos ElisabetSee RemarksSELL$50K–$100K10K$6.83Nov 1, 2023
Johnson David MichaelDirectorBUY$100K–$500K20K$8.38Oct 5, 2023
Johnson David MichaelDirectorBUY$15K–$50K2K$10.41Jan 9, 2023
Johnson David MichaelDirectorBUY$15K–$50K4K$9.75Dec 31, 2022
Johnson David MichaelDirectorBUY$100K–$500K10K$12.37Dec 15, 2022
Matrix Capital Management Company, LP10% OwnerBUY$1M+1.3M$12.00Dec 7, 2022
Feder Julie BCFOSELL$15K–$50K2K$12.45Nov 3, 2022
Rich CadmusSee RemarksSELL$15K–$50K2K$12.45Nov 3, 2022
de los Pinos ElisabetSee RemarksSELL$50K–$100K6K$12.46Nov 3, 2022
De Rosch MarkCOOSELL$1K–$15K1K$12.46Nov 3, 2022
Johnson David MichaelDirectorBUY$500K+50K$14.33Jun 15, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Advent Life Sciences LLP

SC 13G/A · Feb 18, 2026

3.3%

2.0M shares

6.3%

4.0M shares

BlackRock, Inc.

SC 13G · Oct 17, 2025

5.4%

3.3M shares

5.0%

3.1M shares

Suvretta Capital Management, LLC

SC 13G/A · Aug 14, 2025

7.6%

4.7M shares

BlackRock, Inc.

SC 13G/A · Jul 16, 2025

4.9%

3.0M shares

6.1%

3.9M shares

Matrix Capital Management Company LP

SC 13D/A · May 19, 2025

11.2%

6.9M shares

LONG FOCUS CAPITAL MANAGEMENT, LLC

SC 13G/A · May 15, 2025

6.6%

3.3M shares

Eventide Asset Management, LLC

SC 13G/A · May 14, 2025

0.0%

0 shares

Eventide Asset Management, LLC

SC 13G/A · May 13, 2025

0.0%

0 shares

SUVRETTA CAPITAL MANAGEMENT, LLC

SC 13G · Apr 11, 2025

6.1%

3.1M shares

Eventide Asset Management, LLC

SC 13G/A · Feb 14, 2025

8.2%

4.1M shares

LONG FOCUS CAPITAL MANAGEMENT, LLC

SC 13G/A · Jan 4, 2025

5.0%

2.5M shares

3.6%

2.5M shares

Lundbeckfond Invest A/S

SC 13G/A · Nov 14, 2024

3.5%

1.8M shares

Citadel Advisors LLC

SC 13G/A · Nov 14, 2024

0.0%

6 shares

Adage Capital Management, L.P.

SC 13G/A · Nov 12, 2024

9.8%

4.9M shares

BlackRock, Inc.

SC 13G · Nov 8, 2024

6.4%

3.2M shares

BlackRock, Inc.

SC 13G · Oct 22, 2024

6.4%

3.2M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2024

7.2%

6 shares

Eventide Asset Management, LLC

SC 13G/A · Dec 11, 2023

11.8%

5.8M shares

14.1%

6.9M shares

Eventide Asset Management, LLC

SC 13G · Feb 14, 2023

6.3%

2.3M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2023

7.4%

6 shares

Arix Bioscience Plc

SC 13G/A · Feb 10, 2023

4.1%

1.5M shares

Chiesi Ventures, LP

SC 13G/A · Jan 20, 2023

3.3%

1.2M shares

Adage Capital Partners, L.P.

SC 13G · Dec 15, 2022

5.7%

2.1M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2022

7.9%

6 shares

Advent Life Sciences LLP

SC 13G · Feb 11, 2022

6.9%

2.0M shares

Arix Bioscience Plc

SC 13G/A · Feb 10, 2022

0.0%

1.6M shares

6.9%

2.0M shares

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