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NASDAQ · Health care

Cabaletta Bio, Inc. (CABA)

It posted a net loss of $189.5M. In fiscal 2025 capital spending exceeded operating cash flow by $132.3M. At September 30, 2026 it held $299.4M in cash. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on November 5, 2026.

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Price
$1.50
+15.39% on the day · November 9, 2026
52-week range $1.18 to $4.23
Market cap
$254.3M

Key facts about Cabaletta Bio, Inc.

Net worth
Cabaletta Bio, Inc. has a market value (market cap) of $254.3M at the latest share price, and shareholders' equity of $283.9M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Cash flow
In fiscal 2025 operations used $131.1M of cash.
Latest report
The latest periodic report (quarterly report, 10-Q) was filed with the SEC on November 5, 2026 and covers the period to September 30, 2026. Open on SEC EDGAR
Next earnings report
Cabaletta Bio, Inc.'s next report is expected around March 22, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

What Cabaletta Bio, Inc. does

Cabaletta Bio, Inc. is registered with the SEC under industry code SIC 2836 (Biological Products, (No Diagnostic Substances)). Its shares trade on NASDAQ under the ticker CABA.

Revenue and profit by year

Net income
FY19: -$12.2M -$12.2M FY19FY19: -$16.9M -$16.9M FY19FY20: -$33.3M -$33.3M FY20FY21: -$46.3M -$46.3M FY21FY22: -$53M -$53M FY22FY23: -$67.7M -$67.7M FY23FY24: -$115.9M -$115.9M FY24FY25: -$167.9M -$167.9M FY25

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2025n/a-$172.2M-$167.9M-$2.10-$132.3M
2024n/a-$125.1M-$115.9M-$2.34-$90.4M
2023n/a-$74.7M-$67.7M-$1.65-$54.2M
2022n/a-$54.1M-$53M-$1.81-$48.8M
2021n/a-$46.3M-$46.3M-$1.80-$35.3M
2020n/a-$33.8M-$33.3M-$1.44-$27.4M

Earnings: every quarter and the next report date

Full financial statements: income, balance sheet and cash flow

Next report expected around March 22, 2027.

Estimated from its filing rhythm: 52 weeks after its report of March 23, 2026. Not a date the company has announced. See the report calendar · Earnings, quarter by quarter

Latest SEC filings

What Cabaletta Bio, Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. November 9, 2026
  2. November 6, 2026
  3. November 6, 2026
  4. November 5, 2026
    Quarterly report 10-Q · period to September 30, 2026Diluted EPS -$0.28 versus -$0.44.
  5. November 5, 2026
  6. October 30, 2026
  7. October 27, 2026
  8. September 14, 2026
  9. August 14, 2026
  10. August 14, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on June 10, 2026. Insider transactions on SEC

Insider trades

What the people running Cabaletta Bio, Inc. did with its shares, from the Form 4 filings they must send the SEC within two business days.

No insider trades were reported in the last 90 days.

Bought (open market)
$0
last 90 days
Sold
$0
last 90 days
DateInsiderWhatSharesPriceValueFiling
January 21, 2026 Gerard MichaelGeneral Counsel Bought 6,600 $2.27 $15K Form 4
January 21, 2026 Simon MarkDirector Bought 11,061 $2.28 $25.3K Form 4
January 21, 2026 Nichtberger StevenPresident & CEO, Director Bought 45,000 $2.24 $100.8K Form 4
January 21, 2026 Bollard CatherineDirector Bought 4,405 $2.27 $10K Form 4
January 21, 2026 Gavel SteveChief Commercial Officer Bought 22,170 $2.27 $50.2K Form 4
January 21, 2026 Tomasello ShawnDirector Boughtindirect 22,725 $2.21 $50.3K Form 4
January 21, 2026 Binder GwendolynPresident, Science & Tech. Bought 11,312 $2.19 $24.8K Form 4
January 21, 2026 Chang David J.Chief Medical Officer Bought 8,800 $2.26 $19.9K Form 4

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns CABA

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

HolderOf classSharesFiled
T. Rowe Price Investment Management, Inc.13G, passive 11.6% 18,869,907 August 14, 2026
Jennison Associates LLC13G, passive 11.4% 24,267,980 June 4, 2026
Bain Capital Life Sciences Opportunities III, LP13G, passive 9.99% 17,241,445 August 14, 2026
Adage Capital Management, L.P.13G, passive with 2 related filers 8.43% 14,174,758 August 12, 2026
BlackRock, Inc.13G, passive 7.7% 13,013,495 October 27, 2026
Cormorant Asset Management, LP13G, passive with 1 related filers 5.95% 10,000,000 August 14, 2026
Norges Bank13G, passive 5.38% 8,775,653 August 12, 2026
Vanguard Capital Management13G, passive 5.08% 8,295,783 July 31, 2026

Latest filings below 5%: Millennium Management LLC 1.3% (July 23, 2026); Alyeska Investment Group, L.P. 4.67% (February 17, 2026); Kenneth Griffin 3.4% (November 14, 2025); Nichtberger Steven 3.3% (August 11, 2025); The Vanguard Group 3.83% (July 29, 2025).

Largest institutional holders

Positions that investment managers reported on Form 13F for the quarter ended June 30, 2026, largest first, with the change on the quarter ended March 31, 2026. Managers file 13F up to 45 days after a quarter ends. 140 managers reported a position.

HolderSharesValueChange on quarter
Jennison Associates LLC20,033,730$62.3M+11,063,152
Bain Capital Life Sciences Investors, LLC17,241,445$53.6M+7,564,320
BlackRock, Inc.10,754,701$33.4M+8,381,698
Adage Capital Partners GP, L.L.C.9,174,758$28.5M+345,000
State Street Corp7,839,305$24.4M+7,369,327
Vanguard Capital Management LLC7,227,018$22.5M+3,198,027
Cormorant Asset Management, LP5,000,000$15.6M-500,000
Woodline Partners LP4,200,142$13.1M+2,949,900
Norges Bank4,112,401$12.8Mnew
Opaleye Management Inc.3,863,800$12M+2,483,800
Citadel Advisors LLC3,522,112$11Mnew
Geode Capital Management, LLC3,459,464$10.8M+2,326,219
Franklin Resources Inc2,413,937$7.5Mnew
Goldman Sachs Group Inc2,211,825$6.9M+1,428,605
Millennium Management LLC2,068,491$6.4M-3,834,790
Cantor Fitzgerald, L. P.1,600,002$5M+835,002
Marshall Wace, Llp1,565,939$4.9M-613,879
Renaissance Technologies LLC1,535,300$4.8M-501,363
UBS Group AG1,471,895$4.6M+865,231
Qube Research & Technologies Ltd1,426,840$4.4M-508,150

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

8 insiders reported holding 1,275,700 shares in total, about $1.9M at the last price.

HolderSharesAs of
Nichtberger StevenPresident & CEO, Director 1,031,483 January 21, 2026
Simon MarkDirector 147,205 January 21, 2026
Binder GwendolynPresident, Science & Tech. 31,312 January 21, 2026
Tomasello ShawnDirector 22,72522,725 held indirectly January 21, 2026
Gavel SteveChief Commercial Officer 22,170 January 21, 2026
Chang David J.Chief Medical Officer 8,800 January 21, 2026
Gerard MichaelGeneral Counsel 6,600 January 21, 2026
Bollard CatherineDirector 5,405 January 21, 2026

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about CABA

What does Cabaletta Bio, Inc. do?

Cabaletta Bio, Inc. is a company in the Health care sector, listed on NASDAQ as CABA. Its shares trade on NASDAQ under the ticker CABA.

What is Cabaletta Bio, Inc.'s net worth?

Cabaletta Bio, Inc. has a market value (market cap) of $254.3M at the latest share price, and shareholders' equity of $283.9M on its balance sheet at September 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.

Is Cabaletta Bio, Inc. profitable?

No. Over the twelve months to September 30, 2026 it reported a net loss of $189.5M.

When did Cabaletta Bio, Inc. last report?

Its most recent periodic report is the quarterly report (10-Q) filed on November 5, 2026. It covers the period to September 30, 2026. Its newest filing of any kind is the investor disclosure from November 9, 2026.

When is Cabaletta Bio, Inc.'s next earnings report?

Cabaletta Bio, Inc.'s next report is expected around March 22, 2027. That is an estimate from its filing rhythm, not a date the company has announced.

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Where the numbers come from

Financial figures are the values Cabaletta Bio, Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.