Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Lu Jiayan 2. Issuer Name and Ticker or Trading Symbol Jianpu Technology Inc. [AIJTY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2/F, TIMES CYBER BUILDING,, HAIDIAN DISTRICT 3. Date of Earliest Transaction (Month/Day/Year) 09/17/2026 (Street) BEIJING 100080 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price American depositary shares(1) 09/17/2026 M 11,250(2) A $0.20 325,925 I By JYLu Holdings Ltd., a BVI company wholly owned by the reporting person American depositary shares(1) 09/17/2026 M 7,500(3) A $0.20 333,425 I By JYLu Holdings Ltd., a BVI company wholly owned by the reporting person American depositary shares(1) 09/17/2026 M 1,875(4) A $0.20 335,300 I By JYLu Holdings Ltd., a BVI company wholly owned by the reporting person American depositary shares(1) 09/17/2026 M 1,875(5) A $0.20 337,175 I By JYLu Holdings Ltd., a BVI company wholly owned by the reporting person American depositary shares(1) 519,299 D Class A ordinary shares 28,738,439 I By JYLu Holdings Ltd., a BVI company wholly owned by the reporting person

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Options (right to buy)

$0.01

09/17/2026

M

225,000

12/31/2025

12/31/2031

Class A ordinary shares

225,000

$ 0

0

D

Options (right to buy)

$0.01

09/17/2026

M

150,000

01/31/2026

01/31/2032

Class A ordinary shares

150,000

$ 0

0

D

Options (right to buy)

$0.01

09/17/2026

M

37,500

12/31/2025

12/31/2032

Class A ordinary shares

37,500

$ 0

37,500(6)

D

Options (right to buy)

$0.01

09/17/2026

M

37,500

01/31/2026

01/31/2033

Class A ordinary shares

37,500

$ 0

37,500(7)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Lu Jiayan 2/F, TIMES CYBER BUILDING, HAIDIAN DISTRICT BEIJING 100080	X

Signatures

/s/ Jiayan Lu		09/18/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Each American depositary share ("ADS") represents twenty (20) Class A ordinary shares, with a par value of US$0.0001 per share, of Jianpu Technology Inc. (the "Company").
(2)	Represent 225,000 Class A ordinary shares of the Company received in the form of ADS upon exercise of 225,000 options. Upon exercise, the Class A ordinary shares received in the form of ADS are held indirectly by JYLu Holdings Ltd., a British Virgin Islands company wholly owned by the reporting person.
(3)	Represent 150,000 Class A ordinary shares of the Company received in the form of ADS upon exercise of 150,000 options. Upon exercise, the Class A ordinary shares received in the form of ADS are held indirectly by JYLu Holdings Ltd., a British Virgin Islands company wholly owned by the reporting person.
(4)	Represent 37,500 Class A ordinary shares of the Company received in the form of ADS upon exercise of 37,500 options. Upon exercise, the Class A ordinary shares received in the form of ADS are held indirectly by JYLu Holdings Ltd., a British Virgin Islands company wholly owned by the reporting person.
(5)	Represent 37,500 Class A ordinary shares of the Company received in the form of ADS upon exercise of 37,500 options. Upon exercise, the Class A ordinary shares received in the form of ADS are held indirectly by JYLu Holdings Ltd., a British Virgin Islands company wholly owned by the reporting person.
(6)	The remaining 37,500 options following the reported transaction will vest and become exercisable on December 31, 2026.
(7)	The remaining 37,500 options following the reported transaction will vest and become exercisable on January 31, 2027.

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