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The company

Fulcrum Therapeutics, Inc.

FULC · Nasdaq

Health CareBiotechnologyNot moving yet

FULC stood above a rising 150-day average in 18 of the last 52 weekly readings, and has been out of that trend for the last 34 weeks. It is 26.6% 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 34
Industry in uptrend: 15% -17 in 4 wk
Insider buys, 12 months: $3.0M
Insider sales, 12 months: $59.7M
Officials’ trades on record: 0
Institutions holding: 148 (-13)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 18 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 months8

Sale orders, 12 months7

Buyers · sellers2 · 4

Who	Did	Shares	Traded
Kevin Tang10% owner	bought	50,945at $3.52	17 Jul 2026filed 20 Jul 2026
Kevin Tang10% owner	bought	116,671at $3.56	16 Jul 2026filed 20 Jul 2026
Kevin Tang10% owner	bought	107,377at $3.56	15 Jul 2026filed 15 Jul 2026
Kevin Tang10% owner	bought	53,651at $3.56	14 Jul 2026filed 15 Jul 2026
Kevin Tang10% owner	bought	75,952at $3.58	14 Jul 2026filed 15 Jul 2026
Kevin Tang10% owner	bought	12,966at $3.54	13 Jul 2026filed 15 Jul 2026
Alan EzekowitzDirector	sold	18,000at $3.65	26 Jun 2026filed 30 Jun 2026
Robert J. GouldDirector	sold	15,000at $10.72	2 Feb 2026filed 4 Feb 2026
Robert J. GouldDirector	sold	15,000at $11.87	2 Jan 2026filed 6 Jan 2026
Robert J. GouldDirector	sold	15,000at $10.87	2 Jan 2026filed 4 Feb 2026

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

Institutions

Holders148-13 on the quarter

New · exited29 · 43

Reported value$287.0M

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

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	8,824,259$32.3M	+3,433,666+63.7%
EcoR1 Capital, LLCnew · filed 14 Aug 2026	6,549,866$24.0M	+6,549,866
TANG CAPITAL MANAGEMENT LLCnew · filed 14 Aug 2026	6,521,412$23.9M	+6,521,412
Nantahala Capital Management, LLCadded · filed 14 Aug 2026	5,475,040$20.0M	+2,425,000+79.5%
MONTANOVA CAPITAL, LLCreduced · filed 14 Aug 2026	3,680,921$13.5M	-2,880,190−43.9%
D. E. Shaw & Co., Inc.added · filed 14 Aug 2026	3,044,385$11.1M	+1,421,104+87.5%
CITADEL ADVISORS LLCadded · filed 14 Aug 2026	2,704,505$9.9M	+1,412,019+109.2%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,697,216$9.9M	+4,268+0.2%
JANE STREET GROUP, LLCadded · filed 14 Aug 2026	2,217,498$8.1M	+1,907,081+614.4%
STATE STREET CORPadded · filed 7 Aug 2026	2,037,025$7.5M	+487,174+31.4%