← All stocks

Viking Therapeutics, Inc.

VKTX Net selling

CIK 0001607678 #1525 in the set updated 18 Sep 2026

Bought (120 mo)

$960.63K

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$151.41M

$1.35M on a plan · $99.04M straight out of an exercise

Sold at will

$51.02M

44 of 111 sales

Net

−$150.45M

−$50.06M against sales at will

By person

14 insiders · 125 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Lian Brian

President & CEO

—

$74.66M (36) scheduled

−$74.66M

2,572,441

2.21%

$86.09M

+72.0%

Mancini Marianna

Chief Operating Officer

—

$32.19M (19) scheduled

−$32.19M

422,760

0.3624%

$14.15M

+260.0%

ZANTE GREG

Chief Financial Officer

—

$26.05M (30) scheduled

−$26.05M

212,204

0.1819%

$7.10M

+335.2%

LIGAND PHARMACEUTICALS INC entity

10% owner

—

$6.36M (3)

−$6.36M

5,819,383

4.99%

$194.75M

−6.8%

SINGLETON J MATTHEW

Director

$93.26K (1)

$4.58M (11) scheduled

−$4.48M

12,650

0.0108%

$423.33K

—

Rowland Charles A Jr

Director

$154.80K (1)

$3.13M (2) scheduled

−$2.98M

33,150

0.0284%

$1.11M

—

Rouan Sarah Kathryn

Director

$29.94K (1)

$2.28M (3) scheduled

−$2.25M

4,390

0.0038%

$146.91K

—

MACARTNEY LAWSON

Director

$250.33K (1)

$1.29M (4) scheduled

−$1.04M

51,115

0.0438%

$1.71M

—

FOEHR MATTHEW W

Director

$240.67K (3)

$657.24K (2) scheduled

−$416.57K

135,186

0.1159%

$4.52M

+415.0%

MORNEAU MICHAEL

VP, Finance and Administration

—

$199.35K (1)

−$199.35K

116,062

0.0995%

$3.88M

−5.4%

Aubuchon Neil William

Chief Commercial Officer

$149.91K (1)

—

+$149.91K

4,475

0.0038%

$149.76K

—

Webster Stephen W

Director

$41.71K (1)

—

+$41.71K

8,000

0.0069%

$267.72K

—

Masamune Hiroko

Chief Development Officer

—

141,063

0.1209%

$4.72M

+36.4%

Kelly-Gemmell Dorothy Elizabeth

Director

—

6,333

0.0054%

$211.94K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Aubuchon Neil William

10 Mar 2026

Chief Commercial Officer

Buy

4,475

$33.50

$149.91K

Rouan Sarah Kathryn

31 Mar 2025

Director

Buy

1,240

$24.15

$29.94K

FOEHR MATTHEW W

2 May 2022

Director

Buy

45,000

$2.47

$111.20K

FOEHR MATTHEW W

10 Jun 2021

Director

Buy

20,000

$5.69

$113.80K

SINGLETON J MATTHEW

31 May 2018

Director

Buy

9,500

$9.82

$93.26K

MACARTNEY LAWSON

29 May 2018

Director

Buy

47,965

$5.22

$250.33K

Webster Stephen W

29 May 2018

Director

Buy

8,000

$5.21

$41.71K

Rowland Charles A Jr

29 May 2018

Director

Buy

30,000

$5.16

$154.80K

FOEHR MATTHEW W

15 Nov 2016

Director

Buy

13,000

$1.21

$15.68K

Show all 125 transactions →

What was left out

Form 4 filings counted 173

Amendments (4/A) skipped 2

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 1

Sales straight out of an exercise 66

Sales at will 44

Transactions with no price 0

Shares from compensation/vesting 8,612,884

Sales filed before the plan box existed 5

History held since 15 Nov 2016