Form 4 for NIU Niu Technologies

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001104659-26-029058 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-03-17	2026-03-15	NIU	Zhou Fion Wenjuan	CFO, Dir	M - OptEx	—	+45.0K	164.3K	+38%	—
D	2026-03-17	2026-03-16	NIU	Zhou Fion Wenjuan	CFO, Dir	S - Sale+OE	$3.48	-22.1K	142.2K	-13%	-$77.0K
D	2026-03-17	2026-03-15	NIU	Zhou Fion Wenjuan	CFO, Dir	M - OptEx	$0.00	-90.0K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	American depositary shares	2026-03-15	M	A	45,000	—	164,284	D	—	—	(F1) Each American depositary share ("ADS") represents two (2) Class A ordinary shares, with a par value of US$0.0001 per share, of Niu Technologies (the "Company"). (F2) Represent 90,000 Class A ordinary shares of the Company received in the form of ADSs upon vesting of the 90,000 restricted share units granted to the reporting person on March 15, 2022. See footnote 5. (F3) Each RSU represents the contingent right to receive one (1) Class A ordinary shares of the Company upon vesting.
2	Common	American depositary shares	2026-03-16	S	D	22,113	$3.48	142,171	D	—	—	(F1) Each American depositary share ("ADS") represents two (2) Class A ordinary shares, with a par value of US$0.0001 per share, of Niu Technologies (the "Company").
3	Derivative	Restricted share units	2026-03-15	M	D	90,000	$0.00	0	D	— · — to —	90,000 Class A ordinary shares	(F3) Each RSU represents the contingent right to receive one (1) Class A ordinary shares of the Company upon vesting. (F5) The 90,000 RSUs were granted to the reporting person pursuant to the Company's 2018 Share Incentive Plan (the "2018 Plan") on March 15, 2022, and vested on March 15, 2026.