# Calithera Biosciences Inc. (CALA)

Source: https://www.quantisnow.com/company/CALA
Generated: 2026-11-12T23:20:54.199Z

- Ticker: CALA
- Exchange: NASDAQ
- Sector: Health Care
- Industry: Biotechnology: Pharmaceutical Preparations
- IPO year: 2014
- Website: calithera.com

## About

Calithera Biosciences, Inc., a clinical-stage bio-pharmaceutical company, focuses on the discovery and development of small molecule drugs directed against tumor metabolism and tumor immunology targets for the treatment of cancer in the United States. Its lead product candidate is CB-839, an inhibitor of glutaminase, which is in Phase II clinical trial to treat solid tumors. The company also offers INCB001158, an oral inhibitor of arginase that is in Phase I/II clinical trial for the treatment of hematology and oncology. The company is also developing CB-280, an oral arginase inhibitor that is in Phase 1b clinical trial for the treatment of cystic fibrosis and chronic airway infection; and CB-708, an orally administered small molecule inhibitor of CD73, as well as CB-668, an inhibitor of the enzyme IL4I1. It has a license agreement with Mars, Inc. to develop and commercialize Symbioscience's portfolio of arginase inhibitors for use in human healthcare. The company also has clinical trial collaboration with Pfizer to evaluate Pfizer's PARP inhibitor talazoparib and CDK4/6 inhibitor palbociclib, each in combination with telaglenasta. In addition, it has a collaboration and license agreement with Incyte Corporation for the research, development, and commercialization of INCB001158, a small molecule arginase inhibitor for the treatment of hematology and oncology; and a license agreement with Antengene Corporation Ltd. for the development and commercialization of CB-708. Calithera Biosciences, Inc. was incorporated in 2010 and is headquartered in South San Francisco, California.

## Latest CALA news and filings

- 2023-06-29 20:01 UTC [Calithera Biosciences Announces Update on Complete Liquidation and Dissolution](https://www.quantisnow.com/insight/calithera-biosciences-announces-update-on-complete-liquidation-and-dissolution-4704359)
- 2023-06-05 21:16 UTC [SEC Form DEFM14A] [SEC Form DEFM14A filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-defm14a-filed-by-calithera-biosciences-inc-4604375)
- 2023-05-26 20:26 UTC [SEC Form PREM14A filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-prem14a-filed-by-calithera-biosciences-inc-4568618)
- 2023-05-26 11:08 UTC [SEC Schedule 13D] [SEC Form SC 13D/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13da-filed-by-calithera-biosciences-inc-amendment-4563693)
- 2023-05-26 11:08 UTC [SEC Form 4] [SEC Form 4 filed by Takeda Pharmaceutical Co Ltd](https://www.quantisnow.com/insight/sec-form-4-filed-by-takeda-pharmaceutical-co-ltd-4563689)
- 2023-05-20 00:50 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-calithera-biosciences-inc-4536141)
- 2023-05-19 20:01 UTC [Calithera Biosciences Announces Update on Complete Liquidation and Dissolution](https://www.quantisnow.com/insight/calithera-biosciences-announces-update-on-complete-liquidation-and-dissolution-4533312)
- 2023-03-20 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-calithera-biosciences-inc-4221733)
- 2023-03-14 20:15 UTC [SEC Form 15-12G filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-15-12g-filed-by-calithera-biosciences-inc-4200532)
- 2023-03-14 20:13 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200455)
- 2023-03-14 20:12 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200438)
- 2023-03-14 20:11 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200423)
- 2023-03-14 20:10 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200413)
- 2023-03-14 20:09 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200392)
- 2023-03-14 20:08 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200363)
- 2023-03-14 20:07 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200339)
- 2023-03-14 20:06 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200313)
- 2023-03-14 20:04 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-calithera-biosciences-inc-4200262)
- 2023-03-14 20:02 UTC [SEC Form POS AM filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-calithera-biosciences-inc-4200196)
- 2023-03-03 15:45 UTC [SEC Form 25-NSE filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-25-nse-filed-by-calithera-biosciences-inc-4159092)
- 2023-02-14 16:48 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-calithera-biosciences-inc-amendment-4058628)
- 2023-02-14 13:02 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-calithera-biosciences-inc-amendment-4055051)
- 2023-02-09 21:02 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-calithera-biosciences-inc-amendment-4033847)
- 2023-02-09 21:01 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-calithera-biosciences-inc-amendment-4033826)
- 2023-02-08 21:05 UTC [SEC Schedule 13G] [SEC Form SC 13G/A filed by Calithera Biosciences Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13ga-filed-by-calithera-biosciences-inc-amendment-4024682)
- 2023-02-01 21:30 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-after-market-session-3989637)
- 2023-02-01 17:31 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's Intraday Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-intraday-session-3987532)
- 2023-02-01 00:04 UTC [SEC Form 4] [SEC Form 4: Pakianathan Deepika sold $46,810 worth of shares (121,333 units at $0.39)](https://www.quantisnow.com/insight/sec-form-4-pakianathan-deepika-sold-46810-worth-of-shares-3983092)
- 2023-01-30 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Monday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-mondays-after-market-session-3974217)
- 2023-01-27 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Friday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-fridays-after-market-session-3967670)
- 2023-01-25 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-after-market-session-3954891)
- 2023-01-25 21:00 UTC [SEC Form 4] [SEC Form 4: Sjogren Eric covered exercise/tax liability with 279 shares, decreasing direct ownership by 3% to 8,467 units (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-sjogren-eric-covered-exercisetax-liability-with-279-3954335)
- 2023-01-25 21:00 UTC [SEC Form 4] [SEC Form 4: Wong Stephanie covered exercise/tax liability with 317 shares, decreasing direct ownership by 5% to 6,287 units (tax withholding)](https://www.quantisnow.com/insight/sec-form-4-wong-stephanie-covered-exercisetax-liability-with-317-3954322)
- 2023-01-25 21:00 UTC [SEC Form 4] [SEC Form 4: Molineaux Susan covered exercise/tax liability with 526 shares (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-molineaux-susan-covered-exercisetax-liability-with-526-3954321)
- 2023-01-25 21:00 UTC [SEC Form 4] [SEC Form 4: Kuriakose Emil covered exercise/tax liability with 79 shares, decreasing direct ownership by 2% to 3,539 units (tax liability)](https://www.quantisnow.com/insight/sec-form-4-kuriakose-emil-covered-exercisetax-liability-with-79-3954320)
- 2023-01-25 21:00 UTC [SEC Form 4] [SEC Form 4: Molineaux Christopher covered exercise/tax liability with 217 shares (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-molineaux-christopher-covered-exercisetax-liability-with-217-3954318)
- 2023-01-25 13:05 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's Pre-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-pre-market-session-3950907)
- 2023-01-25 11:10 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Calithera Biosciences Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-calithera-biosciences-inc-3950020)
- 2023-01-25 11:09 UTC [SEC Form 8-K] [Calithera Biosciences Inc. filed SEC Form 8-K: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing](https://www.quantisnow.com/insight/calithera-biosciences-inc-filed-sec-form-8-k-notice-of-delisting-3950012)
- 2023-01-10 19:11 UTC [Market Insight] [Why Bed Bath & Beyond Shares Are Trading Higher By 17%? Here Are Other Stocks Moving In Tuesday's Mid-Day Session](https://www.quantisnow.com/insight/why-bed-bath-beyond-shares-are-trading-higher-by-17-3896128)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/CALA
- Earnings history: https://www.quantisnow.com/earnings/CALA
- Dividend history: https://www.quantisnow.com/dividends/CALA
- Insider transactions: https://www.quantisnow.com/insiders/CALA
- Options chain: https://www.quantisnow.com/options/CALA
- SEC 8-K filings only: https://www.quantisnow.com/company/CALA/8-k
- RSS and alerts for CALA: https://www.quantisnow.com/docs/rss-feeds.md
