BCEL

Atreca, Inc.

Total Trades

16

Buys

1

Sells

15

Largest Trade

$100K–$500K

Insiders

6

Institutional Funds

1

Inst. Value

$100K–$500K

Activist Filings

6

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Orwin John APRESIDENT & CEOBUY<$1K1$0.01Apr 17, 2024
Serafini TitoDirectorSELL$1K–$15K21K$0.07Apr 4, 2024
Orwin John APRESIDENT & CEOSELL$1K–$15K23K$0.37Apr 4, 2024
Serafini TitoDirectorSELL$1K–$15K8K$0.37Apr 4, 2024
Courtney PhillipsGENERAL COUNSEL & …SELL$1K–$15K7K$0.37Apr 4, 2024
BAKER BROS. ADVISORS LPInsiderSELL$100K–$500K275K$0.40Oct 23, 2023
Serafini TitoChief Strategy Off…SELL$1K–$15K5K$0.95Aug 4, 2023
CROSS HERBCFOSELL$1K–$15K5K$0.95Aug 4, 2023
Gould Stephen EChief Scientific O…SELL$1K–$15K4K$0.95Aug 4, 2023
Courtney PhillipsGeneral Counsel & …SELL$1K–$15K4K$0.95Aug 4, 2023
Serafini TitoChief Strategy Off…SELL$1K–$15K8K$1.78Sep 20, 2022
Orwin John APresident & CEOSELL$15K–$50K21K$1.78Sep 20, 2022
CROSS HERBCFOSELL$1K–$15K8K$1.78Sep 20, 2022
Courtney PhillipsGeneral Counsel & …SELL$1K–$15K6K$1.78Sep 20, 2022
Serafini TitoChief Strategy Off…SELL$15K–$50K15K$2.02Jun 30, 2022
Serafini TitoChief Strategy Off…SELL$100K–$500K30K$5.00Mar 8, 2022
🔓Seeing ranges? Sign in for exact trade values — free forever

Institutional Ownership

13F filings as of Sep 30, 2023 · 1 funds holding

FundShares
VANGUARD GROUP INC1.3M

Activist & 5%+ Owners

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

Baker Bros. Advisors LP

SC 13G · Jan 10, 2024

20.0%

7.7M shares

BlackRock, Inc.

SC 13G/A · Dec 7, 2022

4.4%

1.4M shares

Redmile Group, LLC

SC 13G/A · Feb 14, 2022

2.6%

800K shares

Boxer Capital, LLC

SC 13G/A · Feb 14, 2022

7.2%

2.2M shares

EcoR1 Capital, LLC

SC 13G/A · Feb 14, 2022

0.0%

0 shares

EcoR1 Capital, LLC

SC 13G/A · Feb 14, 2022

0.0%

0 shares