Peng Fan - 19 Sep 2026 Form 4 Insider Report for Hesai Group (HSAI)

Reporting relationship: Chief Financial Officer
Issuer ticker: HSAI
Reported as of: 19 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Sep 2026, 06:02:35 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Peng Fan

Key filing fact

Peng Fan filed Form 4 for Hesai Group (HSAI) on 21 Sep 2026.

Key facts

This page summarizes Peng Fan's Form 4 filing for Hesai Group (HSAI).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 Sep 2026, 06:02.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002103305 Primary reporting owner

Fan Peng

Relationship: Chief Financial Officer
Address: 10TH FLOOR, BUILDING A,, NO. 658 ZHAOHUA ROAD, CHANGNING DISTRICT, SHANGHAI, CHINA
Signature: /s/ Peng Fan
Signature date: 21 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HSAI transaction

American depositary shares

Options Exercise

Transaction value
Shares: +50,000
Change %: +104%
Price: $0.000000^*
Shares after: 98,000
Date: 19 Sep 2026
Ownership: Direct
Footnotes: F1

HSAI holding

Class B ordinary shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,800
Date: 19 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HSAI transaction Derivative

Restricted share units

Options Exercise

Transaction value
Shares: -50,000
Change %: -5.9%
Price: $0.000000^*
Shares after: 800,000
Date: 19 Sep 2026
Ownership: Direct
Underlying class: Class B ordinary share
Underlying amount: 400,000
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each American depositary share represents eight Class B ordinary share.

Footnote F2

The restricted share units evidence the contingent right to receive Class B ordinary shares upon vesting.

Footnote F3

The restricted share units vested on September 19, 2026, and do not have expiration dates. The underlying award agreement also includes outstanding restricted share units for 800,000 Class B ordinary shares, with 400,000 vesting on each of September 19, 2027 and September 19, 2028.

SEC remarks

On July 10, 2026, Hesai Group implemented a 1-for-8 stock split of its Class B ordinary share. All amounts reported herein have been adjusted to give effect to this stock split.