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The company

X4 Pharmaceuticals, Inc.

XFOR · Nasdaq

Health CareBiotechnologyNot moving yet

XFOR stood above a rising 150-day average in 33 of the last 52 weekly readings, and has been out of that trend for the last 6 weeks. It is 33.5% 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 6
Industry in uptrend: 15% -17 in 4 wk
Insider buys, 12 months: $250K
Insider sales, 12 months: $892K
Officials’ trades on record: 0
Institutions holding: 87 (+8)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 33 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 months1

Sale orders, 12 months5

Buyers · sellers1 · 3

Who	Did	Shares	Traded
David KirskeChief Financial Officer	sold	11,767at $2.86	1 Oct 2026filed 5 Oct 2026
Adam R. CraigExecutive Chairman	sold	47,436at $4.44	12 Aug 2026filed 13 Aug 2026
John VolponePresident	sold	24,576at $4.44	12 Aug 2026filed 13 Aug 2026
David KirskeChief Financial Officer	sold	8,543at $4.26	30 Jun 2026filed 1 Jul 2026
David KirskeChief Financial Officer	sold	16,961at $4.29	12 May 2026filed 13 May 2026

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

Institutions

Holders87+8 on the quarter

New · exited31 · 24

Reported value$463.6M

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

Manager	Shares	Change
MORGAN STANLEYreduced · filed 13 Aug 2026	9,461,279$44.2M	-5,713−0.1%
FMR LLCadded · filed 13 Aug 2026	8,321,657$38.9M	+218,257+2.7%
Bain Capital Life Sciences Investors, LLCunchanged · filed 14 Aug 2026	7,967,454$37.2M	00.0%
PERCEPTIVE ADVISORS LLCadded · filed 14 Aug 2026	7,933,491$37.0M	+1,195,843+17.7%
Saturn V Capital Management LPadded · filed 14 Aug 2026	6,973,343$32.6M	+516,697+8.0%
Empery Asset Management, LPreduced · filed 11 Aug 2026	6,930,591$32.4M	-2,013,527−22.5%
Deep Track Capital, LPreduced · filed 14 Aug 2026	5,878,757$27.5M	-460,778−7.3%
BlackRock, Inc.added · filed 7 Aug 2026	5,554,906$25.9M	+4,343,112+358.4%
Kalehua Capital Management LLCunchanged · filed 14 Aug 2026	3,722,840$17.4M	00.0%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	3,715,859$17.4M	+218,247+6.2%