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The company

Cerus Corporation

CERS · Nasdaq

Health CareMedical DevicesNot moving yet

CERS stood above a rising 150-day average in 44 of the last 52 weekly readings, and has been out of that trend for the last 3 weeks. It is 12.8% below that average now. Medical Devices: 27% of its 181 stocks in an uptrend (−9 points in four weeks); Health Care: 25% (−11 points in four weeks).

SEC filings

Statistics

Rotation: Not moving yet
Weeks in an uptrend: out for 3
Industry in uptrend: 27% -9 in 4 wk
Insider buys, 12 months: $0
Insider sales, 12 months: $6.6M
Officials’ trades on record: 0
Institutions holding: 178 (+21)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 44 of 52 weeks.

17 Apr – 16 Oct

Medical Devices: A minority 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 months0

Sale orders, 12 months25

Buyers · sellers0 · 6

Who	Did	Shares	Traded
Chrystal JensenChief Legal Officer	sold	30,000at $2.98	17 Aug 2026filed 17 Aug 2026
Vivek K. JayaramanChief Executive Officer	sold	16,666at $3.16	16 Jul 2026filed 20 Jul 2026
William Mariner GreenmanPresident and CEO	sold	101,919at $2.94	30 Jun 2026filed 2 Jul 2026
Kevin Dennis GreenChief Financial Officer	sold	33,676at $2.94	30 Jun 2026filed 2 Jul 2026
Chrystal JensenChief Legal Officer	sold	24,329at $2.94	30 Jun 2026filed 2 Jul 2026
Vivek K. JayaramanChief Operating Officer	sold	42,359at $2.94	30 Jun 2026filed 2 Jul 2026
Eric BjerkholtDirector	sold	20,454at $2.60	9 Jun 2026filed 11 Jun 2026
Vivek K. JayaramanChief Operating Officer	sold	16,667at $3.00	29 May 2026filed 2 Jun 2026
Vivek K. JayaramanChief Operating Officer	sold	16,667at $3.00	1 May 2026filed 5 May 2026
Richard J. BenjaminChief Medical Officer	sold	101,740at $1.66	12 Mar 2026filed 16 Mar 2026
William Mariner GreenmanPresident and CEO	sold	447,757at $1.66	12 Mar 2026filed 16 Mar 2026
Kevin Dennis GreenChief Financial Officer	sold	127,544at $1.66	12 Mar 2026filed 16 Mar 2026

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

Institutions

Holders178+21 on the quarter

New · exited38 · 19

Reported value$429.7M

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

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	22,215,127$64.9M	+639,708+3.0%
ARK Investment Management LLCreduced · filed 14 Aug 2026	17,932,099$52.4M	-1,229,049−6.4%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	8,563,424$25.0M	+431,646+5.3%
BAKER BROS. ADVISORS LPreduced · filed 14 Aug 2026	6,395,431$18.7M	-3,612,914−36.1%
D. E. Shaw & Co., Inc.added · filed 14 Aug 2026	5,485,983$16.0M	+1,754,832+47.0%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	5,119,019$15.0M	+481,579+10.4%
STATE STREET CORPadded · filed 7 Aug 2026	4,753,962$13.9M	+539,060+12.8%
Senvest Management, LLCadded · filed 14 Aug 2026	4,614,061$13.5M	+500,000+12.2%
Sumitomo Mitsui Trust Group, Inc.reduced · filed 30 Jul 2026	4,139,532$12.1M	-377,074−8.3%
Amova Asset Management Americas, Inc.reduced · filed 13 Aug 2026	4,132,534$12.1M	-384,072−8.5%