# EDGAR Filing Document

**Accession Number:** 0001165408
**File Stem:** 0000902664-23-001319
**Filing Date:** 2023-2
**Character Count:** 28142
**Document Hash:** 34c6e5dcf5933b7520345ee15f71ab92
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000902664-23-001319.hdr.sgml**: 20230209

**ACCESSION NUMBER**: 0000902664-23-001319

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230209

**DATE AS OF CHANGE**: 20230209

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Kairos Acquisition Corp.
- **CENTRAL INDEX KEY:** 0001824171
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91977
- **FILM NUMBER:** 23601814

**BUSINESS ADDRESS:**
- **STREET 1:** 50 WASHINGTON STREET
- **STREET 2:** SUITE 921
- **CITY:** NORWALK
- **STATE:** CT
- **ZIP:** 06854
- **BUSINESS PHONE:** 9177834057

**MAIL ADDRESS:**
- **STREET 1:** 50 WASHINGTON STREET
- **STREET 2:** SUITE 921
- **CITY:** NORWALK
- **STATE:** CT
- **ZIP:** 06854
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ADAGE CAPITAL PARTNERS GP, L.L.C.
- **CENTRAL INDEX KEY:** 0001165408
- **IRS NUMBER:** 043574590
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 200 CLARENDON STREET
- **STREET 2:** 52ND FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** (617) 867-2800

**MAIL ADDRESS:**
- **STREET 1:** 200 CLARENDON STREET, 52ND FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ADAGE CAPITAL PARTNERS GP LLC
- **DATE OF NAME CHANGE:** 20020117

---

| | |
|:---|:---|
| &nbsp;&nbsp;SECURITIES AND EXCHANGE COMMISSION | &nbsp;&nbsp;SECURITIES AND EXCHANGE COMMISSION |
| &nbsp;&nbsp;Washington, D.C. 20549 | &nbsp;&nbsp;Washington, D.C. 20549 |
| &nbsp;&nbsp;SCHEDULE 13G/A | &nbsp;&nbsp;SCHEDULE 13G/A |
| &nbsp;&nbsp;Under the Securities Exchange Act of 1934 | &nbsp;&nbsp;Under the Securities Exchange Act of 1934 |
| &nbsp;&nbsp;(Amendment No. 2)\* | &nbsp;&nbsp;(Amendment No. 2)\* |
| &nbsp;&nbsp; Kairos Acquisition Corp. | &nbsp;&nbsp; Kairos Acquisition Corp. |
| &nbsp;&nbsp;(Name of Issuer) | &nbsp;&nbsp;(Name of Issuer) |
| &nbsp;&nbsp; Class A Ordinary Shares, par value $0.0001 per share | &nbsp;&nbsp; Class A Ordinary Shares, par value $0.0001 per share |
| &nbsp;&nbsp;(Title of Class of Securities) | &nbsp;&nbsp;(Title of Class of Securities) |
| &nbsp;&nbsp; G52110114 | &nbsp;&nbsp; G52110114 |
| &nbsp;&nbsp;(CUSIP Number) | &nbsp;&nbsp;(CUSIP Number) |
| &nbsp;&nbsp; December 31, 2022 | &nbsp;&nbsp; December 31, 2022 |
| &nbsp;&nbsp;(Date of Event Which Requires Filing of This Statement) | &nbsp;&nbsp;(Date of Event Which Requires Filing of This Statement) |
| &nbsp;&nbsp;Check the appropriate box to designate the rule pursuant to which this Schedule is filed: | &nbsp;&nbsp;Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
| &nbsp;&nbsp;◻ | &nbsp;&nbsp;Rule 13d-1(b) |
| &nbsp;&nbsp;🗷 | &nbsp;&nbsp;Rule 13d-1(c) |
| &nbsp;&nbsp;◻ | &nbsp;&nbsp;Rule 13d-1(d) |
| &nbsp;&nbsp;(Page 1 of 11 Pages) | &nbsp;&nbsp;(Page 1 of 11 Pages) |

---

______________________________

\*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("<u>Act</u>") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

---

| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 2 of 11 Pages** |

---

---

| | | | |
|:---|:---|:---|:---|
| **1** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners, L.P. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners, L.P. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners, L.P. |
| **2** | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp; (a) ◻<br> (b) ◻ |
| **3** | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY |
| **4** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **5** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **6** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **7** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **8** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 |
| **9** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 |
| **10** | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;◻ |
| **11** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% |
| **12** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> PN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> PN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> PN |

---

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 3 of 11 Pages** |

---

---

| | | | |
|:---|:---|:---|:---|
| **1** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners GP, L.L.C. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners GP, L.L.C. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Partners GP, L.L.C. |
| **2** | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp; (a) ◻<br> (b) ◻ |
| **3** | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY |
| **4** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **5** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **6** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **7** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **8** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 |
| **9** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 |
| **10** | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;◻ |
| **11** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% |
| **12** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO |

---

---

| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 4 of 11 Pages** |

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| | | | |
|:---|:---|:---|:---|
| **1** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Advisors, L.L.C. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Advisors, L.L.C. | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Adage Capital Advisors, L.L.C. |
| **2** | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp; (a) ◻<br> (b) ◻ |
| **3** | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY |
| **4** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> Delaware |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **5** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **6** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **7** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **8** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 |
| **9** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 |
| **10** | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;◻ |
| **11** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% |
| **12** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> OO |

---

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 5 of 11 Pages** |

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| | | | |
|:---|:---|:---|:---|
| **1** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Robert Atchinson | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Robert Atchinson | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Robert Atchinson |
| **2** | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp; (a) ◻<br> (b) ◻ |
| **3** | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY |
| **4** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **5** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **6** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **7** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **8** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 |
| **9** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 |
| **10** | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;◻ |
| **11** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% |
| **12** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN |

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 6 of 11 Pages** |

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| | | | |
|:---|:---|:---|:---|
| **1** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Phillip Gross | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Phillip Gross | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME OF REPORTING PERSON<br> Phillip Gross |
| **2** | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | &nbsp;&nbsp; (a) ◻<br> (b) ◻ |
| **3** | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY | &nbsp;&nbsp;SEC USE ONLY |
| **4** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF ORGANIZATION<br> United States |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **5** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE VOTING POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **6** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED VOTING POWER<br> 2,000,000 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **7** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SOLE DISPOSITIVE POWER<br> 0 |
| &nbsp;&nbsp;NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH: | **8** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SHARED DISPOSITIVE POWER<br> 2,000,000 |
| **9** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br> 2,000,000 |
| **10** | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES | &nbsp;&nbsp;◻ |
| **11** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)<br> 7.25% |
| **12** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING PERSON<br> IN |

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 7 of 11 Pages** |

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| | |
|:---|:---|
| **Item 1(a).** | **NAME OF ISSUER** |
|  | The name of the issuer is Kairos Acquisition Corp. (the "<u>Company</u>"). |

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| | |
|:---|:---|
| **Item 1(b).** | **ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES** |
|  | The Company's principal executive offices are located at c/o Ellenoff Grossman & Schole LLP, 1345 Avenue of the Americas, New York, New York 10105. |

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| | |
|:---|:---|
| **Item 2(a).** | **NAME OF PERSON FILING** |
|  | This statement is filed by: |

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(i) Adage Capital Partners, L.P., a Delaware limited partnership (" <u>ACP</u> ") with respect to the Class A Ordinary Shares directly owned by it;

(ii) Adage Capital Partners GP, L.L.C., a limited liability company organized under the laws of the State of Delaware (" <u>ACPGP</u> "), as general partner of ACP with respect to the Class A Ordinary Shares directly owned by ACP;

(iii) Adage Capital Advisors, L.L.C., a limited liability company organized under the laws of the State of Delaware (" <u>ACA</u> "), as managing member of ACPGP, general partner of ACP, with respect to the Class A Ordinary Shares directly owned by ACP;

(iv) Robert Atchinson (" <u>Mr. Atchinson</u> "), as managing member of ACA, managing member of ACPGP, general partner of ACP with respect to the Class A Ordinary Shares directly owned by ACP; and

(v) Phillip Gross (" <u>Mr. Gross</u> "), as managing member of ACA, managing member of ACPGP, general partner of ACP with respect to the Class A Ordinary Shares directly owned by ACP.

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|:---|
| The foregoing persons are hereinafter sometimes collectively referred to as the "<u>Reporting Persons</u>." Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. |
| The filing of this statement should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the securities reported herein. |

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|:---|:---|
| **Item 2(b).** | **ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE** |
|  | The address of the business office of each of the Reporting Persons is 200 Clarendon Street, 52nd Floor, Boston, Massachusetts 02116. |

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|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 8 of 11 Pages** |

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| | |
|:---|:---|
| **Item 2(c).** | **CITIZENSHIP** |
|  | ACP is a limited partnership organized under the laws of the State of Delaware. ACPGP and ACA are limited liability companies organized under the laws of the State of Delaware. Messrs. Gross and Atchinson are citizens of the United States. |

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| | |
|:---|:---|
| **Item 2(d).** | **TITLE OF CLASS OF SECURITIES** |
|  | Class A Ordinary Shares, par value $0.0001 per share (the "<u>Class A Ordinary Shares</u>"). |

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|:---|:---|
| **Item 2(e).** | **CUSIP NUMBER** |
|  | G52110114 |

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**Item 3.** **IF THIS STATEMENT IS FILED PURSUANT TO Rules 13d-1(b), OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:**

(a) ◻ Broker or dealer registered under Section 15 of the Act;

(b) ◻ Bank as defined in Section 3(a)(6) of the Act;

(c) ◻ Insurance company as defined in Section 3(a)(19) of the Act;

(d) ◻ Investment company registered under Section 8 of the Investment Company Act of 1940;

(e) ◻ An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f) ◻ An employee benefit plan or endowment fund in accordance
 with Rule 13d-1(b)(1)(ii)(F);

(g) ◻ A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

(h) ◻ A savings association as defined in Section 3(b) of the
 Federal Deposit Insurance Act;

(i) ◻ A church plan that is excluded from the definition of
 an investment company under Section 3(c)(14) of the Investment Company Act;

(j) ◻ A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);

(k) ◻ Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: <u>Not applicable.</u>

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 9 of 11 Pages** |

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| | | |
|:---|:---|:---|
| **Item 4.** | **Item 4.** | **OWNERSHIP** |
|  | &nbsp;&nbsp;A. | Adage Capital Partners, L.P., Adage Capital Partners GP, L.L.C. and Adage Capital Advisors, L.L.C. |

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(a) Amount beneficially owned: 2,000,000

(b) Percent of class: 7.25%. The percentage set forth in this Schedule 13G/A is calculated based upon the 27,600,000 Class A Ordinary Shares outstanding as of November 14, 2022, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2022 filed with the Securities and Exchange Commission on November 14, 2022.

(c) (i) Sole power to vote or direct the vote: 0

(ii) Shared power to vote or direct the vote: 2,000,000

(iii) Sole power to dispose or direct the disposition: 0

(iv) Shared power to dispose or direct the disposition of: 2,000,000

ACP has the power to dispose of and the power to vote the Class A Ordinary Shares beneficially owned by it, which power may be exercised by its general partner, ACPGP. ACA, as managing member of ACPGP, directs ACPGP's operations. Neither ACPGP nor ACA directly own any Class A Ordinary Shares. By reason of the provisions of Rule 13d-3 of the Securities Exchange Act of 1934 (the "<u>Act</u>"), ACPGP and ACA may be deemed to beneficially own the shares owned by ACP.

B. Robert Atchinson and Phillip Gross

(a) Amount beneficially owned: 2,000,000

(b) Percent of class: 7.25%

(c) (i) Sole power to vote or direct the vote: 0

(ii) Shared power to vote or direct the vote: 2,000,000

(iii) Sole power to dispose or direct the disposition: 0

(iv) Shared power to dispose or direct the disposition: 2,000,000

Messrs. Atchinson and Gross, as managing members of ACA, have shared power to vote the Class A Ordinary Shares beneficially owned by ACP. Neither Mr. Atchinson nor Mr. Gross directly own any Class A Ordinary Shares. By reason of the provisions of Rule 13d-3 of the Act, each may be deemed to beneficially own the shares beneficially owned by ACP.

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|:---|:---|
| **Item 5.** | **OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS** |
|  | Not applicable. |

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|:---|:---|
| **Item 6.** | **OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON** |
|  | Not applicable. |

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| | |
|:---|:---|
| **Item 7.** | **IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON** |
|  | Not applicable. |

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| | | |
|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 10 of 11 Pages** |

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| | |
|:---|:---|
| **Item 8.** | **IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP** |
|  | Not applicable. |

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| | |
|:---|:---|
| **Item 9.** | **NOTICE OF DISSOLUTION OF GROUP** |
|  | Not applicable. |

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| | |
|:---|:---|
| **Item 10.** | **CERTIFICATION** |
|  | Each of the Reporting Persons hereby makes the following certification: |
|  | By signing below each Reporting Person certifies that, to the best of his or its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. |

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|:---|:---|:---|
| **CUSIP No. G52110114** | **13G/A** | **Page 11 of 11 Pages** |

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**SIGNATURES**

After reasonable inquiry and to the best of his or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

DATE: February 9, 2023

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| |
|:---|
| ADAGE CAPITAL PARTNERS, L.P. |
| By: Adage Capital Partners GP, L.L.C., |
| its general partner |
| By: Adage Capital Advisors, L.L.C., |
| its managing member |
| <u>/s/ Robert Atchinson</u> |
| Name: Robert Atchinson |
| Title: Managing Member |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
| By: Adage Capital Advisors, L.L.C., |
| its managing member |
| <u>/s/ Robert Atchinson</u> |
| Name: Robert Atchinson |
| Title: Managing Member |
| ADAGE CAPITAL ADVISORS, L.L.C. |
| <u>/s/ Robert Atchinson</u> |
| Name: Robert Atchinson |
| Title: Managing Member |
| ROBERT ATCHINSON |
| <u>/s/ Robert Atchinson</u> |
| ROBERT ATCHINSON, individually |
| PHILLIP GROSS |
| <u>/s/ Phillip Gross</u> |
| PHILLIP GROSS, individually |

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