WELGUS HOWARD G. (Chief Medical Officer) sold 11.7% of their position (4.73K shares) of ARCUTIS BIOTHERAPEUTICS, INC. on the open market

Open‑market sale worth $114.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

WELGUS HOWARD G.

Filed: 9/17/2026ACC: 0001628280-26-062490

InsiderWELGUS HOWARD G.CIK 1801050

→

IssuerARCUTIS BIOTHERAPEUTICS, INC.CIK 1787306

Officer· Chief Medical Officer

Since Jan 2020

-4.73K

Net shares

Net seller

$114.4K

Total sold

Open market trades

0B · 1S

Total transactions

4.10K acquired · 8.83K disposed

Non-Derivative Transactions4

Common Stock

Direct

M · Option Exercise

+822.00

Price / share

$6.52

Trade value

$5.36K

% of position

2.3%

9/15/2026

36.48K→37.30K

Common Stock

Direct

M · Option Exercise

+1.02K

Price / share

$7.51

Trade value

$7.65K

% of position

2.7%

9/15/2026

37.30K→38.32K

Common Stock

Direct

M · Option Exercise

+2.25K

Price / share

$8.63

Trade value

$19.46K

% of position

5.9%

9/15/2026

38.32K→40.57K

Common Stock

Direct

S · Sale

−4.73K

Price / share

$24.18

Trade value

$114.37K

% of position

11.7%

9/15/2026

40.57K→35.84K

Total

Net shares

−634.00

Net value

-$81.90K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/15/2026	M · Option Exercise	+822.00	$6.52	$5.36K	2.3%	36.48K	37.30K
Common Stock Direct	9/15/2026	M · Option Exercise	+1.02K	$7.51	$7.65K	2.7%	37.30K	38.32K
Common Stock Direct	9/15/2026	M · Option Exercise	+2.25K	$8.63	$19.46K	5.9%	38.32K	40.57K
Common Stock Direct	9/15/2026	S · Sale	−4.73K	$24.18	$114.37K	11.7%	40.57K	35.84K
Total			−634.00		-$81.90K

Derivative Transactions3

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

822.00 shares

−822.00

Strike price

6.5223

Held after

6.57K

Exercisable

—

9/15/2026

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

1.02K shares

−1.02K

Strike price

7.51

Held after

8.14K

Exercisable

—

9/15/2026

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

2.25K shares

−2.25K

Strike price

8.63

Held after

18.03K

Exercisable

—

9/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock822.00 shares	9/15/2026	M · Option Exercise	−822.00	6.5223	—	6.57K
Stock Option (right to buy) Direct	Common Stock1.02K shares	9/15/2026	M · Option Exercise	−1.02K	7.51	—	8.14K
Stock Option (right to buy) Direct	Common Stock2.25K shares	9/15/2026	M · Option Exercise	−2.25K	8.63	—	18.03K