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The company

Keros Therapeutics, Inc.

KROS · Nasdaq

Health CareBiotechnologyNot moving yet

KROS stood above a rising 150-day average in 16 of the last 52 weekly readings, and has been out of that trend for the last 36 weeks. It is 0.0% above that average now. Biotechnology: 16% of its 561 stocks in an uptrend (−15 points in four weeks); Health Care: 26% (−10 points in four weeks).

SEC filings

Statistics

Rotation: Not moving yet
Weeks in an uptrend: out for 36
Industry in uptrend: 16% -15 in 4 wk
Insider buys, 12 months: $152K
Insider sales, 12 months: $1.0M
Officials’ trades on record: 0
Institutions holding: 126 (-16)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 16 of 52 weeks.

20 Apr – 19 Oct

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months6

Sale orders, 12 months12

Buyers · sellers1 · 9

Who	Did	Shares	Traded
Charles W. NewtonDirector	sold	551at $10.30	18 Aug 2026filed 20 Aug 2026
Lorena Raquel LernerChief Scientific Officer	sold	3,568at $10.29	18 Aug 2026filed 20 Aug 2026
Esther ChoChief Legal Officer	sold	4,485at $10.29	18 Aug 2026filed 20 Aug 2026
Annita TaniniCorp. Controller & VP, Finance	sold	1,224at $10.29	18 Aug 2026filed 20 Aug 2026
Jean Jacques BienaimeDirector	bought	1,000at $10.27	17 Aug 2026filed 19 Aug 2026
Jean Jacques BienaimeDirector	bought	1,000at $10.61	15 Jul 2026filed 17 Jul 2026
Jean Jacques BienaimeDirector	bought	1,000at $10.19	15 Jun 2026filed 17 Jun 2026
Charles W. NewtonDirector	sold	550at $10.04	11 Jun 2026filed 15 Jun 2026
Alpna SethDirector	sold	2,625at $10.72	4 Jun 2026filed 5 Jun 2026
Nima FarzanDirector	sold	2,625at $10.73	4 Jun 2026filed 8 Jun 2026
Julius KnowlesDirector	sold	2,625at $10.73	4 Jun 2026filed 8 Jun 2026
Jean Jacques BienaimeDirector	bought	1,000at $10.58	15 May 2026filed 19 May 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders126-16 on the quarter

New · exited16 · 31

Reported value$196.9M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	2,794,217$29.9M	+382,424+15.9%
Nantahala Capital Management, LLCadded · filed 14 Aug 2026	1,410,419$15.1M	+50,000+3.7%
AQR CAPITAL MANAGEMENT LLCadded · filed 14 Aug 2026	967,859$10.4M	+561,296+138.1%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	833,596$8.9M	+2,175+0.3%
ORBIMED ADVISORS LLCunchanged · filed 14 Aug 2026	759,155$8.1M	00.0%
FEDERATED HERMES, INC.added · filed 12 Aug 2026	700,427$7.5M	+11,198+1.6%
VANGUARD PORTFOLIO MANAGEMENT LLCreduced · filed 13 Aug 2026	652,635$7.0M	-29,408−4.3%
MACKENZIE FINANCIAL CORPadded · filed 13 Aug 2026	628,438$6.7M	+475,988+312.2%
Madison Avenue Partners, LPunchanged · filed 14 Aug 2026	626,583$6.7M	00.0%
Qube Research & Technologies Ltdreduced · filed 14 Aug 2026	608,837$6.5M	-116,089−16.0%