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as of 03-10-2026 3:42pm EST

$14.87
$0.44
-2.87%
Stocks Health Care Biotechnology: Pharmaceutical Preparations Nasdaq

Cullinan Therapeutics Inc is a biopharmaceutical company. It has a diversified portfolio of clinical-stage assets that inhibit key drivers of disease or harness the immune system to eliminate diseased cells in both oncology and autoimmune diseases. Its understanding of oncology, immunology, and translational medicine, creates differentiated ideas, identifies the appropriate targets, and selects the optimal modality to develop transformative therapeutics across a variety of cancer and autoimmune indications. It has one reporting and one operating segment, which is the business of developing immunology and oncology therapies.

Founded: 2016 Country:
United States
United States
Employees: N/A City: CAMBRIDGE
Market Cap: 780.4M IPO Year: 2020
Target Price: $29.89 AVG Volume (30 days): 780.3K
Analyst Decision: Strong Buy Number of Analysts: 9
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: -2.30 EPS Growth: -255.04
52 Week Low/High: $5.68 - $16.74 Next Earning Date: 05-29-2026
Revenue: N/A Revenue Growth: -100.00%
Revenue Growth (this year): N/A Revenue Growth (next year): N/A
P/E Ratio: -6.87 Index: N/A
Free Cash Flow: -175799000.0 FCF Growth: N/A

Stock Insider Trading Activity of Cullinan Oncology Inc. (CGEM)

Michaelson Jennifer

Chief Scientific Officer

Sell
CGEM Mar 5, 2026

Avg Cost/Share

$15.68

Shares

8,000

Total Value

$125,440.00

Owned After

170,844

SEC Form 4

Michaelson Jennifer

Chief Scientific Officer

Sell
CGEM Feb 25, 2026

Avg Cost/Share

$14.14

Shares

1,780

Total Value

$25,169.20

Owned After

170,844

SEC Form 4

Jones Jeffrey Alan

Chief Medical Officer

Sell
CGEM Feb 24, 2026

Avg Cost/Share

$14.47

Shares

4,582

Total Value

$66,301.54

Owned After

159,968

SEC Form 4

SUMER JACQUELYN L

Chief Legal Officer

Sell
CGEM Feb 24, 2026

Avg Cost/Share

$14.47

Shares

3,601

Total Value

$52,106.47

Owned After

128,089

SEC Form 4

Michaelson Jennifer

Chief Scientific Officer

Sell
CGEM Feb 24, 2026

Avg Cost/Share

$14.47

Shares

3,601

Total Value

$52,106.47

Owned After

170,844

SEC Form 4

AHMED NADIM

President and CEO

Sell
CGEM Feb 24, 2026

Avg Cost/Share

$14.47

Shares

13,515

Total Value

$195,562.05

Owned After

390,803

SEC Form 4

Michaelson Jennifer

Chief Scientific Officer

Sell
CGEM Feb 23, 2026

Avg Cost/Share

$13.99

Shares

1,752

Total Value

$24,510.48

Owned After

170,844

SEC Form 4

Jones Jeffrey Alan

Chief Medical Officer

Sell
CGEM Feb 20, 2026

Avg Cost/Share

$13.62

Shares

4,982

Total Value

$67,854.84

Owned After

159,968

SEC Form 4

SUMER JACQUELYN L

Chief Legal Officer

Sell
CGEM Feb 20, 2026

Avg Cost/Share

$13.62

Shares

3,742

Total Value

$50,966.04

Owned After

128,089

SEC Form 4

Michaelson Jennifer

Chief Scientific Officer

Sell
CGEM Feb 20, 2026

Avg Cost/Share

$13.96

Shares

11,742

Total Value

$165,366.04

Owned After

170,844

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K SELL

Jan 8, 2026 · 100% conf.

AI Prediction SELL

1D

-2.54%

$10.86

Act: -1.97%

5D

-5.23%

$10.56

Act: -4.31%

20D

+2.69%

$11.44

Act: +9.78%

Price: $11.14 Prob +5D: 0% AUC: 1.000
0001193125-26-006998

8-K

false000178997200017899722026-01-082026-01-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 08, 2026

CULLINAN THERAPEUTICS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-39856

81-3879991

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

One Main Street Suite 1350

Cambridge, Massachusetts

02142

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: 617 410-4650

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.0001 par value per share

CGEM

The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. As of December 31, 2025, Cullinan Therapeutics, Inc.'s (the "Company's") unaudited cash, cash equivalents, short- and long-term investments, and interest receivable were $439.0 million. Consistent with prior guidance, the Company expects its cash resources to provide runway into 2029 based on its current operating plan. The Company has not yet completed its quarter-end financial close process for the quarter ended December 31, 2025. The Company's cash, cash equivalents, short- and long-term investments, and interest receivable reflected above is preliminary, has not been audited and is subject to change upon completion of the Company's financial statement closing procedures. Additional information and disclosure would be required for a more complete understanding of the Company's financial position and results of operations as of and for the year ended December 31, 2025. The Company's independent registered public accounting firm has not audited, reviewed or performed any procedures with respect to the preliminary financial data and, accordingly, does not express an opinion or provide any other form of assurance about it. The information contained in this Current Report on Form 8-K under Item 2.02 is being furnished and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section and will not be incorporated by reference into any filing by the Company under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, unless specifically identified as being incorporated therein by reference. Item 7.01 Regulation FD Disclosure. On January 8, 2026, the Company issued a press release providing a corporate update and anticipated milestones for 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Current Report on Form 8-K furnished pursuant to Item 7.01, including Exhibit 99.1 attached hereto, shall not be deemed to be "filed" for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section and will not be incorporated by reference into any filing by the Company under the Securities Act or the Exchange Act, unless specifically identified as being incorporated therein by reference. Item 8.01 Other Events. On January 8, 2026, the Company provided an update on the anticipated program milestones for 2026 as set out below. Immunology

CLN-978

•In the Company's Phase 1 OUTRACE study in patients with active, difficult-to-treat rheumatoid arthritis, dose escalation is ongoing, and patients are currently being enrolled in the 30-microgram dose cohort. The 10- and 20-microgram dose cohorts are complete with no dose-limiting toxicities ob

2025
Q3

Q3 2025 Earnings

8-K

Nov 6, 2025

0001193125-25-268041

8-K

false000178997200017899722025-11-062025-11-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 06, 2025

CULLINAN THERAPEUTICS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-39856

81-3879991

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

One Main Street Suite 1350

Cambridge, Massachusetts

02142

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: 617 410-4650

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.0001 par value per share

CGEM

The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On November 6, 2025, Cullinan Therapeutics, Inc. (the "Company") announced its financial results for the quarter ended September 30, 2025. A copy of the press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in this Item 2.02 and Exhibit 99.1 attached hereto is intended to be furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing. Item 8.01 Other Events. As of September 30, 2025, the Company's cash, cash equivalents, short- and long-term investments, and interest receivable were $475.5 million. The Company expects its cash resources to provide runway into 2029 under its new operating plan.

Forward Looking Statements

This Current Report on Form 8-K contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Any statements in this Current Report on Form 8-K that are not historical facts may be considered “forward-looking statements,” including statements regarding the Company’s estimates of cash, cash equivalents, investments, and interest receivable as of September 30, 2025. Forward-looking statements are typically, but not always, identified by the use of words such as “expect,” and other similar terminology. Any forward-looking statements in this Current Report on Form 8-K are based on management's current expectations and beliefs of future events and are subject to known and unknown risks and uncertainties that may cause the Company's actual results, performance or achievements to be materially different from any expressed or implied by the forward-looking statements. Such risks and uncertainties include, but are not limited to, risks associated with market conditions, risks and uncertainties associated with the Company’s business and finances in general, as well as the risks detailed in the Company’s recent filings on Forms 10-K and 10-Q with SEC. While the Company may elect to update such forward-looking statements at some point in the future, the Company disclaims any obligation to do so, even if subsequent events cause its views to change, except to the extent required by law. These forward-looking statements should not be relied upon as representing the Company's views as of any date subsequent to the date of this Current Report on Form 8-K. Any forward-looking statement included in this Current Report on Form 8-K speaks only as of the date on which it was made. Item 9.01 Financial Statements and Exhibits. (d) Exhibits

Exhibit No.

Description

99.1

Press release issued by Cullinan The

2025
Q2

Q2 2025 Earnings

8-K

Aug 7, 2025

0000950170-25-104547

8-K

0001789972false00017899722025-08-072025-08-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 07, 2025

CULLINAN THERAPEUTICS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-39856

81-3879991

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification No.)

One Main Street Suite 1350

Cambridge, Massachusetts

02142

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: 617 410-4650

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.0001 par value per share

CGEM

The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On August 7, 2025, Cullinan Therapeutics, Inc. (the "Company") announced its financial results for the quarter ended June 30, 2025. A copy of the press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in this Item 2.02 and Exhibit 99.1 attached hereto is intended to be furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing. Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On August 4, 2025, Anne-Marie Martin, Ph.D. notified the Board of Directors (the “Board”) of the Company of her intention to resign as a director of the Company effective as of August 7, 2025. As part of her resignation, Dr. Martin also resigned from the Nominating and Corporate Governance Committee of the Board (the “Nominating Committee”). Dr. Martin’s decision to resign was not the result of any disagreement with the Company on any matter relating to our operations, policies or practices. Additionally, on August 4, 2025, David P. Ryan, M.D. notified the Board of his intention to resign as a director of the Company, effective as of August 7, 2025. As part of his resignation, Dr. Ryan also resigned from the Compensation Committee of the Board (the “Compensation Committee”). Dr. Ryan’s decision to resign was not the result of any disagreement with the Company on any matter relating to our operations, policies or practices. Effective August 7, 2025, the Board appointed Mittie Doyle, M.D., FACR as a Class I director and as a member of the Nominating Committee and Andrew Allen, M.D., Ph.D. as a Class II director and as a member of the Compensation Committee. Dr. Doyle, age 60, has served as the Chief Medical Officer of Avalo Therapeutics, Inc., a public biotechnology company, since July 2024. From September 2021 to July 2024, Dr. Doyle served as Chief Medical Officer at Aro Biotherapeutics, a private biotechnology company. Prior to that, she served as Vice President, Global Therapeutic Area Head, Immunology at CSL Behring, a global biotech company, from October 2017 to September 2021. Prior to her time at CSL Behring, Dr. Doyle held senior level roles as Vice President, Global Development Lead at Shire Pharmaceuticals from August 2016 to October 2017, Vice President, Clinical Research at Flexion Therapeutics from April 2015 to July 2016. Dr. Doyle currently serves on the board of directors of a private company and previously served on the board of directors of DICE Therapeutics (“D

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