MANCINI MARIANNA (Chief Operating Officer) sold 12.4% of their position (57.66K shares) of VIKING THERAPEUTICS, INC. on the open market

Open‑market sale worth $1.90M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

MANCINI MARIANNA

Filed: 1/5/2026ACC: 0001193125-26-003115

InsiderMANCINI MARIANNACIK 1838112

→

IssuerVIKING THERAPEUTICS, INC.CIK 1607678

Officer· Chief Operating Officer

Since Jan 2021

+106.39K

Net shares

Net buyer

$1.90M

Total sold

Open market trades

0B · 4S

Total transactions

164.05K acquired · 57.66K disposed

Non-Derivative Transactions6

Common Stock, par value $0.00001 per share

Direct

A · Award

+41K

Price / share

—

Trade value

—

% of position

10.4%

1/2/2026

393.80K→434.80K

Common Stock, par value $0.00001 per share

Direct

A · Award

+32.05K

Price / share

—

Trade value

—

% of position

7.4%

1/2/2026

434.80K→466.85K

Common Stock, par value $0.00001 per share

Direct

S · Sale

−31.96K

Price / share

$32.29

Trade value

$1.03M

% of position

6.8%

1/5/2026

466.85K→434.89K

Common Stock, par value $0.00001 per share

Direct

S · Sale

−13.60K

Price / share

$33.37

Trade value

$453.88K

% of position

3.1%

1/5/2026

434.89K→421.29K

Common Stock, par value $0.00001 per share

Direct

S · Sale

−10.50K

Price / share

$34.22

Trade value

$359.30K

% of position

2.5%

1/5/2026

421.29K→410.79K

Common Stock, par value $0.00001 per share

Direct

S · Sale

−1.60K

Price / share

$35.07

Trade value

$56.12K

% of position

0.4%

1/5/2026

410.79K→409.19K

Total

Net shares

+15.39K

Net value

-$1.90M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, par value $0.00001 per share Direct	1/2/2026	A · Award	+41K	—	—	10.4%	393.80K	434.80K
Common Stock, par value $0.00001 per share Direct	1/2/2026	A · Award	+32.05K	—	—	7.4%	434.80K	466.85K
Common Stock, par value $0.00001 per share Direct	1/5/2026	S · Sale	−31.96K	$32.29	$1.03M	6.8%	466.85K	434.89K
Common Stock, par value $0.00001 per share Direct	1/5/2026	S · Sale	−13.60K	$33.37	$453.88K	3.1%	434.89K	421.29K
Common Stock, par value $0.00001 per share Direct	1/5/2026	S · Sale	−10.50K	$34.22	$359.30K	2.5%	421.29K	410.79K
Common Stock, par value $0.00001 per share Direct	1/5/2026	S · Sale	−1.60K	$35.07	$56.12K	0.4%	410.79K	409.19K
Total			+15.39K		-$1.90M

Derivative Transactions1

Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

91K shares

+91K

Strike price

35.42

Held after

91K

Exercisable

—

1/2/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock91K shares	1/2/2026	A · Award	+91K	35.42	—	91K