Keros Therapeutics, Inc.

By person

24 insiders · 403 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

ADAR1 Capital Management, LLC entity

10% owner

$9.46M (5)

$95.66M (3)

−$86.19M

$0.00

−100.0%

Pontifax Management 4 G.P. (2015) Ltd. entity

10% owner

$10.00M (8)

$84.98M (4)

−$74.98M

155,262

$1.60M

−82.9%

Knowles Julius

Director

$24.99K (1)

$28.79M (257)

−$28.76M

458,776

$4.73M

+7.7%

Kariv Tomer

Director

$10.00M (8)

—

+$10.00M

1,386,924

$14.29M

—

Nussbaum Ran

Director

$10.00M (8)

—

+$10.00M

1,386,924

$14.29M

—

Lachey Jennifer

Chief Scientific Officer

—

$6.26M (47) scheduled

−$6.26M

95,100

$979.53K

+239.8%

GORDON CARL L

Director

$6.00M (1)

$11.00M (2)

−$5.00M

1,170,119

$12.05M

+224.4%

ORBIMED ADVISORS LLC entity

Director

$6.00M (1)

$11.00M (2)

−$5.00M

1,164,869

$12.00M

+223.0%

Regnante Keith

CHIEF FINANCIAL OFFICER

—

$3.75M (7) scheduled

−$3.75M

39,261

$404.39K

—

Arkin Bio Ventures Limited Partnership entity

10% owner

$1.92M (1)

—

+$1.92M

2,013,102

$20.73M

—

Lazarus Alon

Director

$1.92M (1)

—

+$1.92M

2,036,140

$20.97M

+8,738%

Ordonez Claudia

Chief Medical Officer

—

$290.46K (13) scheduled

−$290.46K

$0.00

—

Seehra Jasbir

CHIEF EXECUTIVE OFFICER

$320.00K (1)

$113.43K (1)

+$206.57K

440,708

$4.54M

+107.2%

Rovaldi Christopher

Chief Operating Officer

—

$162.00K (6) scheduled

−$162.00K

60,000

$618.00K

—

Cho Esther

Chief Legal Officer

—

$123.73K (2)

−$123.73K

35,770

$368.43K

−20.5%

Lerner Lorena Raquel

Chief Scientific Officer

—

$100.04K (2)

−$100.04K

27,559

$283.86K

−21.3%

BIENAIME JEAN JACQUES

Director

$75.77K (6)

—

+$75.77K

19,592

$201.80K

+9,696%

Farzan Nima

Director

—

$28.17K (1) scheduled

−$28.17K

9,767

$100.60K

—

Seth Alpna

Director

—

$28.14K (1) scheduled

−$28.14K

9,767

$100.60K

—

Tanini Annita

Corp. Controller & VP, Finance

—

$12.59K (1)

−$12.59K

45,144

$464.98K

−2.6%

Newton Charles W.

Director

—

$11.20K (2) scheduled

−$11.20K

12,114

$124.77K

—

CHYUNG YUNG H.

Chief Medical Officer

—

44,000

$453.20K

—

Prener Anne

Director

—

13,786

$142.00K

—

GRAY MARY ANN

Director

—

12,392

$127.64K

—

No percentages here. This company's share count has moved by a factor of 2.1 over the window, from 19,717,533 to 40,615,414 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Individual transactions

Insider

Date

Role

Action

Price

Amount

BIENAIME JEAN JACQUES

17 Aug 2026

Director

Buy

1,000

$10.27

$10.27K

BIENAIME JEAN JACQUES

15 Jul 2026

Director

Buy

1,000

$10.61

$10.61K

BIENAIME JEAN JACQUES

15 Jun 2026

Director

Buy

1,000

$10.19

$10.19K

BIENAIME JEAN JACQUES

15 May 2026

Director

Buy

1,000

$10.58

$10.58K

BIENAIME JEAN JACQUES

15 Apr 2026

Director

Buy

1,000

$11.70

$11.70K

BIENAIME JEAN JACQUES

9 Mar 2026

Director

Buy

2,000

$11.21

$22.42K

ADAR1 Capital Management, LLC

9 Apr 2025

10% owner

Buy indirect

74,333

$10.33

$767.86K

ADAR1 Capital Management, LLC

9 Apr 2025

10% owner

Buy indirect

500,000

$10.33

$5.17M

ADAR1 Capital Management, LLC

9 Apr 2025

10% owner

Buy indirect

325,000

$9.86

$3.20M

ADAR1 Capital Management, LLC

9 Apr 2025

10% owner

Buy indirect

16,365

$9.40

$153.75K

ADAR1 Capital Management, LLC

9 Apr 2025

10% owner

Buy indirect

18,560

$9.40

$174.37K

Showing 250 of 403 transactions. The figures above use every one of them.

Keros Therapeutics, Inc.

By person

Individual transactions

What was left out