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  4. [Form 4] BELITE BIO, INC Insider Trading Activity

Belite Bio (BLTE) CSO sells 1,000 ADS in planned open-market trades

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Belite Bio Chief Scientific Officer Nathan L. Mata sold 1,000 American depositary shares (ADS) of BELITE BIO, INC in open-market transactions on April 28, 2026. The ADS were sold in multiple small trades at weighted average prices ranging from $154.62 to $162.59 per ADS.

The sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted by the executive on December 10, 2025, indicating they were scheduled in advance. Following these transactions, he directly owned 7,654 ADS of the company.

Positive

  • None.

Negative

  • None.
Insider MATA NATHAN L.
Role Chief Scientific Officer
Sold 1,000 shs ($159K)
Type Security Shares Price Value
Sale American depositary share 12 $154.6467 $2K
Sale American depositary share 8 $155.3588 $1K
Sale American depositary share 53 $156.6117 $8K
Sale American depositary share 222 $157.487 $35K
Sale American depositary share 62 $158.7107 $10K
Sale American depositary share 380 $159.4192 $61K
Sale American depositary share 120 $160.2742 $19K
Sale American depositary share 89 $161.7207 $14K
Sale American depositary share 54 $162.1424 $9K
Holdings After Transaction: American depositary share — 7,654 shares (Direct, null)
Footnotes (1)
  1. Each American depositary share represents one ordinary share, par value US$0.0001 per share, of the issuer. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 12/10/2025. Represents the weighted average price of shares sold at prices that ranged from $154.62 to $154.78. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $155.205 to $155.41. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $156.32 to $156.95. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $157.01 to $157.98. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $158.18 to $158.99. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $159 to $159.97. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $160.01 to $160.93. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $161.31 to $161.95. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of shares sold at prices that ranged from $162 to $162.59. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
ADS sold 1,000 ADS Total American depositary shares sold on April 28, 2026
Price range $154.62–$162.59 per ADS Weighted average sale price ranges from footnotes
Post-transaction holdings 7,654 ADS Directly owned by CSO after the reported sales
Single largest block 380 ADS at $159.4192 Largest individual tranche of open-market sales
Trading plan adoption date December 10, 2025 Date Rule 10b5-1 trading plan was adopted
American depositary share financial
"Each American depositary share represents one ordinary share, par value US$0.0001 per share"
An American Depositary Share (ADS) is a U.S.-listed certificate that represents a specified number of shares in a foreign company, held by a custodian bank; it works like a receipt that allows U.S. investors to buy and trade foreign equity on American exchanges without dealing with another country’s markets. Investors care because ADSs make foreign stocks easier to access, improve liquidity and settlement in dollars, and can affect dividend payments, voting rights and regulatory oversight compared with buying the underlying foreign shares directly.
Rule 10b5-1 trading plan regulatory
"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"Represents the weighted average price of shares sold at prices that ranged from $154.62 to $154.78"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
MATA NATHAN L.
(Last)(First)(Middle)
7708 MARKER ROAD
(Street)
SAN DIEGO CALIFORNIA 92130
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
BELITE BIO, INC [ BLTE ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Scientific Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/28/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
American depositary share(1)04/28/2026S(2)12D$154.6467(3)7,654D
American depositary share(1)04/28/2026S(2)8D$155.3588(4)7,646D
American depositary share(1)04/28/2026S(2)53D$156.6117(5)7,593D
American depositary share(1)04/28/2026S(2)222D$157.487(6)7,371D
American depositary share(1)04/28/2026S(2)62D$158.7107(7)7,309D
American depositary share(1)04/28/2026S(2)380D$159.4192(8)6,929D
American depositary share(1)04/28/2026S(2)120D$160.2742(9)6,809D
American depositary share(1)04/28/2026S(2)89D$161.7207(10)6,720D
American depositary share(1)04/28/2026S(2)54D$162.1424(11)6,666D
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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Each American depositary share represents one ordinary share, par value US$0.0001 per share, of the issuer.
2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 12/10/2025.
3. Represents the weighted average price of shares sold at prices that ranged from $154.62 to $154.78. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
4. Represents the weighted average price of shares sold at prices that ranged from $155.205 to $155.41. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
5. Represents the weighted average price of shares sold at prices that ranged from $156.32 to $156.95. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
6. Represents the weighted average price of shares sold at prices that ranged from $157.01 to $157.98. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
7. Represents the weighted average price of shares sold at prices that ranged from $158.18 to $158.99. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
8. Represents the weighted average price of shares sold at prices that ranged from $159 to $159.97. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
9. Represents the weighted average price of shares sold at prices that ranged from $160.01 to $160.93. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
10. Represents the weighted average price of shares sold at prices that ranged from $161.31 to $161.95. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
11. Represents the weighted average price of shares sold at prices that ranged from $162 to $162.59. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
/s/ Nathan L. Mata04/29/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did BLTE report for its Chief Scientific Officer?

Belite Bio reported that Chief Scientific Officer Nathan L. Mata sold 1,000 American depositary shares in open-market trades on April 28, 2026. The sales were broken into several small transactions at different prices but all occurred on the same date.

At what prices did the Belite Bio (BLTE) CSO sell his ADS?

The Chief Scientific Officer’s 1,000 American depositary shares were sold at weighted average prices ranging from $154.62 to $162.59 per ADS. Individual trades within each range occurred at slightly different prices around those averages, as disclosed in the filing’s footnotes.

Was the BLTE insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025. Such plans pre-schedule trades, reducing the significance of short-term market timing for these transactions.

How many Belite Bio ADS does the CSO hold after these reported sales?

After completing the April 28, 2026 transactions, Chief Scientific Officer Nathan L. Mata directly owned 7,654 American depositary shares. This post-transaction holding level is disclosed in the Form 4 and shows he retained a meaningful equity stake in Belite Bio.

How many Belite Bio (BLTE) shares in total were sold in this Form 4?

Across all reported trades, the insider sold a total of 1,000 American depositary shares according to the transaction summary. Each ADS represents one ordinary share of Belite Bio, as stated in the filing’s explanatory footnote regarding the ADS structure.

What role does the insider who sold BLTE shares hold at Belite Bio?

The reporting person, Nathan L. Mata, serves as Belite Bio’s Chief Scientific Officer. This executive role typically oversees research and development activities, meaning his equity transactions can be of interest to investors tracking management’s alignment with shareholder value.