WELGUS HOWARD G. (Chief Medical Officer) sold 11.8% of their position (4.73K shares) of ARCUTIS BIOTHERAPEUTICS, INC. on the open market

Open‑market sale worth $127.3K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

WELGUS HOWARD G.

Filed: 10/19/2026ACC: 0001628280-26-066331

InsiderWELGUS HOWARD G.CIK 1801050

→

IssuerARCUTIS BIOTHERAPEUTICS, INC.CIK 1787306

Officer· Chief Medical Officer

Since Jan 2020

-4.73K

Net shares

Net seller

$127.3K

Total sold

Open market trades

0B · 1S

Total transactions

4.09K acquired · 8.82K disposed

Non-Derivative Transactions4

Common Stock

Direct

M · Option Exercise

+822.00

Price / share

$6.52

Trade value

$5.36K

% of position

2.3%

10/15/2026

35.84K→36.66K

Common Stock

Direct

M · Option Exercise

+1.02K

Price / share

$7.51

Trade value

$7.65K

% of position

2.8%

10/15/2026

36.66K→37.68K

Common Stock

Direct

M · Option Exercise

+2.25K

Price / share

$8.63

Trade value

$19.45K

% of position

6.0%

10/15/2026

37.68K→39.94K

Common Stock

Direct

S · Sale

−4.73K

Price / share

$26.93

Trade value

$127.33K

% of position

11.8%

10/15/2026

39.94K→35.21K

Total

Net shares

−634.00

Net value

-$94.87K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	10/15/2026	M · Option Exercise	+822.00	$6.52	$5.36K	2.3%	35.84K	36.66K
Common Stock Direct	10/15/2026	M · Option Exercise	+1.02K	$7.51	$7.65K	2.8%	36.66K	37.68K
Common Stock Direct	10/15/2026	M · Option Exercise	+2.25K	$8.63	$19.45K	6.0%	37.68K	39.94K
Common Stock Direct	10/15/2026	S · Sale	−4.73K	$26.93	$127.33K	11.8%	39.94K	35.21K
Total			−634.00		-$94.87K

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

5.75K

Exercisable

—

10/15/2026

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

1.02K shares

−1.02K

Strike price

7.51

Held after

7.13K

Exercisable

—

10/15/2026

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

2.25K shares

−2.25K

Strike price

8.63

Held after

15.78K

Exercisable

—

10/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock822.00 shares	10/15/2026	M · Option Exercise	−822.00	6.5223	—	5.75K
Stock Option (right to buy) Direct	Common Stock1.02K shares	10/15/2026	M · Option Exercise	−1.02K	7.51	—	7.13K
Stock Option (right to buy) Direct	Common Stock2.25K shares	10/15/2026	M · Option Exercise	−2.25K	8.63	—	15.78K