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The company

Compass Therapeutics, Inc.

CMPX · Nasdaq

Health CareBiotechnologyNot moving yet

CMPX stood above a rising 150-day average in 26 of the last 52 weekly readings, and has been out of that trend for the last 26 weeks. It is 66.9% below that average now. Biotechnology: 15% of its 561 stocks in an uptrend (−17 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 26
Industry in uptrend: 15% -17 in 4 wk
Insider buys, 12 months: $175K
Insider sales, 12 months: $0
Officials’ trades on record: 0
Institutions holding: 346 (+49)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 26 of 52 weeks.

17 Apr – 16 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 months4

Sale orders, 12 months0

Buyers · sellers2 · 0

Who	Did	Shares	Traded
Neil LernerChief Accounting Officer	bought	20,000at $0.92	1 Oct 2026filed 2 Oct 2026
Neil LernerChief Accounting Officer	bought	2,500at $1.14	24 Sep 2026filed 25 Sep 2026
Jonathan AndermanGeneral Counsel	bought	25,000at $1.89	29 Apr 2026filed 30 Apr 2026
Neil LernerChief Accounting Officer	bought	15,000at $1.89	29 Apr 2026filed 30 Apr 2026

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

Institutions

Holders346+49 on the quarter

New · exited97 · 50

Reported value$1.6B

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

Manager	Shares	Change
TANG CAPITAL MANAGEMENT LLCadded · filed 14 Aug 2026	22,990,782$110.1M	+2,197,773+10.6%
ORBIMED ADVISORS LLCreduced · filed 14 Aug 2026	15,219,994$33.3M	-1,150,646−7.0%
MONTANOVA CAPITAL, LLCreduced · filed 14 Aug 2026	14,101,159$30.9M	-206,220−1.4%
BlackRock, Inc.added · filed 7 Aug 2026	12,207,172$37.8M	+2,017,851+19.8%
Deep Track Capital, LPunchanged · filed 14 Aug 2026	12,161,496$172.1M	00.0%
RTW INVESTMENTS, LPreduced · filed 14 Aug 2026	10,700,974$151.4M	-4,118,015−27.8%
STATE STREET CORPadded · filed 7 Aug 2026	10,034,932$22.9M	+3,259,514+48.1%
ENAVATE SCIENCES GP, LLCunchanged · filed 14 Aug 2026	7,788,150$17.1M	00.0%
Vivo Capital, LLCreduced · filed 14 Aug 2026	7,757,060$17.0M	-1,988,406−20.4%
BIT Capital GmbHadded · filed 12 Aug 2026	6,348,797$89.8M	+2,857,563+81.8%