Stocks · Health care · Pharmaceutical Preparations

Keros Therapeutics, Inc.

KROS Clue Score73
United States Fiscal year ends December CIK 0001664710 Results filed 5 Nov 2026

What the insiders did Net selling

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
$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%
Julius Knowles
Director
$24.99K (1)
$28.79M (257)
−$28.76M
458,776
$4.73M
+7.7%
Tomer Kariv
Director
$10.00M (8)
—
+$10.00M
1,386,924
$14.29M
—
Ran Nussbaum
Director
$10.00M (8)
—
+$10.00M
1,386,924
$14.29M
—
Jennifer Lachey
Chief Scientific Officer
—
$6.26M (47) scheduled
−$6.26M
95,100
$979.53K
+239.8%
Carl L Gordon
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%
Keith Regnante
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
—
Alon Lazarus
Director
$1.92M (1)
—
+$1.92M
2,036,140
$20.97M
+8,738%
Claudia Ordonez
Chief Medical Officer
—
$290.46K (13) scheduled
−$290.46K
0
$0.00
—
Jasbir Seehra
Chief Executive Officer
$320.00K (1)
$113.43K (1)
+$206.57K
440,708
$4.54M
+107.2%
Christopher Rovaldi
Chief Operating Officer
—
$162.00K (6) scheduled
−$162.00K
60,000
$618.00K
—
Esther Cho
Chief Legal Officer
—
$123.73K (2)
−$123.73K
35,770
$368.43K
−20.5%
Lorena Raquel Lerner
Chief Scientific Officer
—
$100.04K (2)
−$100.04K
27,559
$283.86K
−21.3%
Jean Jacques Bienaime
Director
$75.77K (6)
—
+$75.77K
19,592
$201.80K
+9,696%
Nima Farzan
Director
—
$28.17K (1) scheduled
−$28.17K
9,767
$100.60K
—
Alpna Seth
Director
—
$28.14K (1) scheduled
−$28.14K
9,767
$100.60K
—
Annita Tanini
Corp. Controller & VP, Finance
—
$12.59K (1)
−$12.59K
45,144
$464.98K
−2.6%
Charles W. Newton
Director
—
$11.20K (2) scheduled
−$11.20K
12,114
$124.77K
—
Yung H. Chyung
Chief Medical Officer
—
—
—
44,000
$453.20K
—
Anne Prener
Director
—
—
—
13,786
$142.00K
—
Mary Ann Gray
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.