Cabaletta Bio, Inc. (CABA) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-08-14
2:01 pm
Sale
2026-06-3013GCABALETTA BIO INC
CABA
Cormorant Asset Management, LP10,000,000
5.950%
-500,000decrease
(-4.76%)
Filing
History
2026-08-14
10:39 am
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
T. Rowe Price Investment Management, Inc.18,869,907
11.600%
9,011,650increase
(+91.41%)
Filing
History
2026-08-14
07:00 am
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
Bain Capital Life Sciences Opportunities III, LP17,241,445
9.990%
7,564,320increase
(+78.17%)
Filing
History
2026-08-12
12:06 pm
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
Adage Capital Management, L.P.14,174,758
8.430%
5,172,178increase
(+57.45%)
Filing
History
2026-08-12
06:36 am
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
Norges Bank8,775,653
5.382%
8,775,653increase
(New Position)
Filing
History
2026-07-31
09:55 am
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
Vanguard Capital Management8,295,783
5.080%
8,295,783increase
(New Position)
Filing
History
2026-07-27
4:25 pm
Purchase
2026-06-3013GCABALETTA BIO INC
CABA
BlackRock, Inc.
BLK
9,613,912
5.900%
8,719,265increase
(+974.60%)
Filing
History
2026-07-23
5:27 pm
Sale
2026-06-3013GCABALETTA BIO INC
CABA
Integrated Core Strategies (US) LLC2,068,491
1.300%
-3,062,272decrease
(-59.68%)
Filing
History
2026-06-05
2:09 pm
Purchase
2026-05-3113GCABALETTA BIO INC
CABA
PRUDENTIAL FINANCIAL INC
PRU
24,267,980
11.400%
11,683,443increase
(+92.84%)
Filing
History
2026-06-04
4:18 pm
Purchase
2026-05-2913GCABALETTA BIO INC
CABA
Jennison Associates LLC24,267,980
11.400%
11,683,443increase
(+92.84%)
Filing
History
2026-05-15
1:20 pm
Purchase
2026-03-3113GCABALETTA BIO INC
CABA
Cormorant Asset Management, LP10,500,000
9.030%
1,100,000increase
(+11.70%)
Filing
History
2026-02-18
5:04 pm
Purchase
2026-02-1113GCABALETTA BIO INC
CABA
Integrated Core Strategies (US) LLC5,130,763
5.300%
5,130,763increase
(New Position)
Filing
History
2026-02-17
4:33 pm
Sale
2025-12-3113GCABALETTA BIO INC
CABA
Alyeska Investment Group, L.P.4,500,000
4.670%
-1,300,000decrease
(-22.41%)
Filing
History
2026-02-17
3:00 pm
Sale
2025-12-3113GCABALETTA BIO INC
CABA
Cormorant Asset Management, LP9,400,000
9.280%
-191,983decrease
(-2.00%)
Filing
History
2026-02-17
10:28 am
Sale
2025-12-3113GCABALETTA BIO INC
CABA
T. Rowe Price Investment Management, Inc.9,858,257
10.200%
-502,069decrease
(-4.85%)
Filing
History
2025-11-14
8:06 pm
Sale
2025-09-3013GCABALETTA BIO INC
CABA
Alyeska Investment Group, L.P.5,800,000
6.030%
-3,104,367decrease
(-34.86%)
Filing
History
2025-11-14
4:09 pm
Sale
2025-09-3013GCABALETTA BIO INC
CABA
CITADEL ADVISORS LLC3,150,275
3.400%
-1,668,285decrease
(-34.62%)
Filing
History
2025-11-14
1:10 pm
Purchase
2025-09-3013GCABALETTA BIO INC
CABA
Cormorant Asset Management, LP9,591,983
9.990%
4,591,983increase
(+91.84%)
Filing
History
2025-11-07
1:56 pm
Purchase
2025-09-3013GCABALETTA BIO INC
CABA
PRUDENTIAL FINANCIAL INC
PRU
12,584,537
8.900%
2,193,370increase
(+21.11%)
Filing
History
2025-11-07
1:02 pm
Purchase
2025-10-3113GCABALETTA BIO INC
CABA
T. Rowe Price Investment Management, Inc.10,360,326
11.300%
1,997,837increase
(+23.89%)
Filing
History
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