Cabaletta Bio Inc

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Cabaletta Bio Inc
TickerCABA
CIK #0001759138
CUSIP12674W109
SectorLife Sciences - Biological Products, (No Disgnostic Substances)
Address2929 Arch Street Suite 600, Philadelphia, PA 19104
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Cabaletta Bio Inc 2019-01-14 50.0 M Exemption: 506(b) · Remaining: Indefinite · Duration: One year or less · Commission: $1,075,944 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001759138] 10-K
[0001759138] 10-Q
[0001759138] 3
[0001759138] 4
[0001759138] 5
[0001759138] 8-K
[0001759138] D
[0001759138] SC 13D
[0001759138] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Millennium Management LLC Cabaletta Bio Inc [2026-02-18] 0.0
Cormorant Asset Management LP Cabaletta Bio Inc [2025-08-14] 0.0
Alyeska Investment Group LP Cabaletta Bio Inc [2025-08-14] 0.0
Citadel Advisors LLC Cabaletta Bio Inc [2025-06-20] 0.0
T Rowe Price Investment Management Inc Cabaletta Bio Inc [2024-11-14] 7.5
Bain Capital Life Sciences Opportunities III LP Cabaletta Bio Inc [2024-08-22] 8194.0
Prudential Financial Inc Cabaletta Bio Inc [2024-06-10] 12.08
Jennison Associates LLC Cabaletta Bio Inc [2024-06-06] 11.1
State Street Corp Cabaletta Bio Inc [2024-01-24] 6.05
BlackRock Inc Cabaletta Bio Inc [2024-01-08] 10.3
Bain Capital Life Sciences Opportunities III LP Cabaletta Bio Inc [2023-06-01] 5.0
Flynn James E Cabaletta Bio Inc [2023-05-26] 4.73
Baker Bros Advisors LP Cabaletta Bio Inc [2023-02-14] 5.2
Alger Associates Inc Cabaletta Bio Inc [2023-02-10] 11.9
Commodore Capital LP Cabaletta Bio Inc [2023-01-13] 5.0
Venrock Healthcare Capital Partners III LP Cabaletta Bio Inc [2022-12-23] 6.5
Nichtberger Steven Cabaletta Bio Inc [2022-11-07] 6.4
Lynx1 Capital Management LP Cabaletta Bio Inc [2022-10-31] 8.14
Cormorant Asset Management LP Cabaletta Bio Inc [2022-10-31] 3.3
Eversept Partners LP Cabaletta Bio Inc [2022-08-22] 8.24
Citadel Advisors LLC Cabaletta Bio Inc [2021-11-01] 5.4
Redmile Group LLC Cabaletta Bio Inc [2021-02-16] 5.7
Adage Capital Partners GP LLC Cabaletta Bio Inc [2020-07-21] 0.99
5AM Ventures V LP Cabaletta Bio Inc [2019-11-12] 11.0
Boxer Capital LLC Cabaletta Bio Inc [2019-11-07] 0.0
Cormorant Asset Management LP Cabaletta Bio Inc [2019-11-07] 3.82
Flynn James E Cabaletta Bio Inc [2019-10-30] 6.79
Form 3/4/5 Filer 2011 - 2026
Cabaletta Bio Inc
Tomasello Shawn
Simon Mark
Henriques Richard C Jr
Bollard Catherine
Brun Scott C
Marda Anup
Nichtberger Steven
Das Arun
Gerard Michael
Binder Gwendolyn
Chang David J
Gavel Steve
5AM Opportunities I GP LLC
5AM Ventures V LP
5AM Opportunities I LP
Schwab Andrew J
Parmar Kush
5AM Partners V LLC
Rocklage Scott M
Daniels Brian
Stalter John Brian
Deerfield Private Design Fund IV LP
Deerfield Special Situations Fund LP
Deerfield Management Company LP
Deerfield Capital LP
Deerfield Partners LP
Flynn James E
Deerfield Mgmt IV LP
Redmile Group LLC
Green Jeremy
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Das Arun
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 175,000 $0.00
Binder Gwendolyn
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 225,000 $0.00
Chang David J
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 225,000 $0.00
Nichtberger Steven
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 674,000 $0.00
Marda Anup
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 225,000 $0.00
Gerard Michael
Stock Option (Right to Buy) · derivative
2026-03-02 Grant 175,000 $0.00
Binder Gwendolyn
Common Stock
2026-01-21 Buy 11,312 $2.19 24,773
Chang David J
Common Stock
2026-01-21 Buy 8,800 $2.26 19,888
Gavel Steve
Common Stock
2026-01-21 Buy 22,170 $2.27 50,326
Bollard Catherine
Common Stock
2026-01-21 Buy 4,405 $2.27 9,999
Nichtberger Steven
Common Stock
2026-01-21 Buy 45,000 $2.24 100,800
Simon Mark
Common Stock
2026-01-21 Buy 11,061 $2.28 25,219
Gerard Michael
Common Stock
2026-01-21 Buy 6,600 $2.27 14,982
Tomasello Shawn
Common Stock
2026-01-21 Buy 22,725 $2.21 50,222
Gavel Steve
Stock Option (Right to Buy) · derivative
2025-10-13 Grant 275,000 $0.00
Brun Scott C
Stock Option (Right to Buy) · derivative
2025-06-09 Grant 22,000 $0.00
Bollard Catherine
Stock Option (Right to Buy) · derivative
2025-06-09 Grant 22,000 $0.00
Tomasello Shawn
Stock Option (Right to Buy) · derivative
2025-06-09 Grant 22,000 $0.00
Henriques Richard C Jr
Stock Option (Right to Buy) · derivative
2025-06-09 Grant 22,000 $0.00
Simon Mark
Stock Option (Right to Buy) · derivative
2025-06-09 Grant 22,000 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 112 75,980,746
2025-12-31 95 67,820,051
2025-09-30 76 62,901,977
2025-06-30 86 66,255,401
2025-03-31 95 32,697,935
2024-12-31 111 34,759,441
2024-09-30 121 44,980,537
2024-06-30 144 48,226,491
2024-03-31 162 51,506,041
2023-12-31 130 47,225,332
2023-09-30 98 40,933,838
2023-06-30 87 36,573,639
Form 13F Holdings
Firm Period DFND Voting Shares
Farther Finance Advisors LLC [2026-06-30] SOLE 0 166
FNY Investment Advisers LLC [2026-06-30] SOLE 7,500 14
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