GUPTA PRIYA (Interim CFO) sold 4.7% of their position (10.02K shares) of ARCHER AVIATION INC. on the open market

Open‑market sale worth $64.2K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

GUPTA PRIYA

Filed: 8/19/2026ACC: 0002036956-26-000014

InsiderGUPTA PRIYACIK 2036956

→

IssuerARCHER AVIATION INC.CIK 1824502

Officer· Interim CFO

Since Mar 2026

-10.02K

Net shares

Net seller

$64.2K

Total sold

Open market trades

0B · 1S

Total transactions

20.40K acquired · 30.41K disposed

Non-Derivative Transactions4

Class A Common Stock

Direct

M · Option Exercise

+3.58K

Price / share

—

Trade value

—

% of position

1.9%

8/15/2026

192.40K→195.98K

Class A Common Stock

Direct

M · Option Exercise

+6.52K

Price / share

—

Trade value

—

% of position

3.3%

8/15/2026

195.98K→202.51K

Class A Common Stock

Direct

M · Option Exercise

+10.29K

Price / share

—

Trade value

—

% of position

5.1%

8/15/2026

202.51K→212.80K

Class A Common Stock

Direct

S · Sale

−10.02K

Price / share

$6.41

Trade value

$64.22K

% of position

4.7%

8/17/2026

212.80K→202.78K

Total

Net shares

+10.38K

Net value

-$64.22K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	8/15/2026	M · Option Exercise	+3.58K	—	—	1.9%	192.40K	195.98K
Class A Common Stock Direct	8/15/2026	M · Option Exercise	+6.52K	—	—	3.3%	195.98K	202.51K
Class A Common Stock Direct	8/15/2026	M · Option Exercise	+10.29K	—	—	5.1%	202.51K	212.80K
Class A Common Stock Direct	8/17/2026	S · Sale	−10.02K	$6.41	$64.22K	4.7%	212.80K	202.78K
Total			+10.38K		-$64.22K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

3.58K shares

−3.58K

Strike price

Held after

7.17K

Exercisable

—

8/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

6.52K shares

−6.52K

Strike price

Held after

32.62K

Exercisable

—

8/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

10.29K shares

−10.29K

Strike price

Held after

92.62K

Exercisable

—

8/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock3.58K shares	8/15/2026	M · Option Exercise	−3.58K	—	7.17K
Restricted Stock Units Direct	Class A Common Stock6.52K shares	8/15/2026	M · Option Exercise	−6.52K	—	32.62K
Restricted Stock Units Direct	Class A Common Stock10.29K shares	8/15/2026	M · Option Exercise	−10.29K	—	92.62K