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Belite Bio (BLTE) CSO trims stake with 1,000-ADS Rule 10b5-1 sale

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

Rhea-AI Filing Summary

Belite Bio’s Chief Scientific Officer, Nathan L. Mata, sold 1,000 American depositary shares in open‑market transactions on April 15, 2026. The sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025, and were priced around $167–$171 per share. Following these trades, Mata directly holds 15,666 American depositary shares of Belite Bio.

Positive

  • None.

Negative

  • None.
Insider MATA NATHAN L.
Role Chief Scientific Officer
Sold 1,000 shs ($168K)
Type Security Shares Price Value
Sale American depositary share 383 $167.5792 $64K
Sale American depositary share 537 $168.6444 $91K
Sale American depositary share 68 $169.1524 $12K
Sale American depositary share 8 $170.765 $1K
Sale American depositary share 4 $171.19 $684.76
Holdings After Transaction: American depositary share — 16,283 shares (Direct)
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 $167.01 to $167.92. 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 $168.00 to $168.965. 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 $169.00 to $169.42. 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 $170.66 to $170.87. 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.
Shares sold 1,000 American depositary shares Open-market sales on April 15, 2026
Post-sale holdings 15,666 American depositary shares Direct ownership after April 15, 2026 sales
Transaction price $167.5792 per share One reported weighted-average sale price
Transaction price $168.6444 per share Another reported weighted-average sale price
Price range (trade 1) $167.01–$167.92 per share Weighted-average price range from a sale tranche
Price range (trade 2) $168.00–$168.965 per share Weighted-average price range from a sale tranche
Price range (trade 3) $169.00–$169.42 per share Weighted-average price range from a sale tranche
Price range (trade 4) $170.66–$170.87 per share Weighted-average price range from a sale tranche
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"
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 $167.01 to $167.92"
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.
open-market sale financial
"transaction_action: open-market sale"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
non-derivative financial
"transaction_type: non-derivative"
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)
04/15/2026		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)04/15/2026S(2)383D$167.5792(3)16,283D
American depositary share(1)04/15/2026S(2)537D$168.6444(4)15,746D
American depositary share(1)04/15/2026S(2)68D$169.1524(5)15,678D
American depositary share(1)04/15/2026S(2)8D$170.765(6)15,670D
American depositary share(1)04/15/2026S(2)4D$171.1915,666D
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 $167.01 to $167.92. 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 $168.00 to $168.965. 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 $169.00 to $169.42. 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 $170.66 to $170.87. 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. Mata04/16/2026
** 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 did Belite Bio (BLTE) disclose in this Form 4 filing?

Belite Bio reported that Chief Scientific Officer Nathan L. Mata sold 1,000 American depositary shares on April 15, 2026. These were open-market sales executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025.

How many Belite Bio (BLTE) shares did the CSO sell and at what prices?

Nathan L. Mata sold a total of 1,000 American depositary shares in several trades. Reported transaction prices ranged from about $167.01 to $171.19 per share, with individual weighted-average prices such as $167.5792 and $168.6444 disclosed in the Form 4 and footnotes.

How many Belite Bio (BLTE) shares does the CSO hold after these sales?

After completing the April 15, 2026 transactions, Chief Scientific Officer Nathan L. Mata directly holds 15,666 American depositary shares of Belite Bio. This figure reflects his position immediately following the reported open-market sales in the Form 4 filing.

Were the Belite Bio (BLTE) insider sales part of a Rule 10b5-1 plan?

Yes. The Form 4 footnotes state that the sales were executed under a Rule 10b5-1 trading plan adopted by Nathan L. Mata on December 10, 2025. Such plans automate trades according to preset instructions, reducing the significance of trade timing decisions.

What type of security did the Belite Bio (BLTE) insider trade?

The transactions involved Belite Bio American depositary shares, each representing one ordinary share with a par value of US$0.0001. All reported trades were non-derivative, open-market sales of these American depositary shares on April 15, 2026.