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The company

Larimar Therapeutics, Inc.

LRMR · Nasdaq

Health CareBiotechnologyNot moving yet

LRMR stood above a rising 150-day average in 24 of the last 52 weekly readings, and has been out of that trend for the last 8 weeks. It is 48.5% 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 8
Industry in uptrend: 15% -17 in 4 wk
Insider buys, 12 months: $51.4M
Insider sales, 12 months: $0
Officials’ trades on record: 1
Institutions holding: 160 (+4)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 24 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

1 disclosed lines: House 0, Senate 0, executive 1; 1 people.

Who	Did	Amount	Traded
Eric S. Lander Executive branch: Office of Government EthicsOffice of Science and Technology Policy	sold	$1k–$15k	10 Jun 2021filed 8 Sep 2021

Insiders

Buy orders, 12 months6

Sale orders, 12 months0

Buyers · sellers5 · 0

Who	Did	Shares	Traded
Thomas Edward HamiltonDirector	bought	50,000at $3.34	6 Jul 2026filed 8 Jul 2026
Jeffrey W. ShermanDirector	bought	5,000at $5.00	27 Feb 2026filed 2 Mar 2026
Frank E. ThomasDirector	bought	5,000at $5.00	27 Feb 2026filed 2 Mar 2026
Thomas Edward HamiltonDirector	bought	100,000at $5.00	27 Feb 2026filed 2 Mar 2026
James E. FlynnDirector, 10% owner, Other	bought	1,084,010at $5.00	27 Feb 2026filed 2 Mar 2026
James E. FlynnDirector, 10% owner, Other	bought	1,084,012at $5.00	27 Feb 2026filed 2 Mar 2026
James E. FlynnDirector, 10% owner, Other	bought	831,978at $5.00	27 Feb 2026filed 2 Mar 2026
James E. FlynnDirector, 10% owner, Other	bought	2,000,000at $5.00	27 Feb 2026filed 2 Mar 2026

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

Institutions

Holders160+4 on the quarter

New · exited34 · 30

Reported value$291.5M

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

Manager	Shares	Change
DEERFIELD MANAGEMENT COMPANY, L.P.unchanged · filed 14 Aug 2026	35,606,974$108.6M	00.0%
Blue Owl Capital Holdings LPadded · filed 11 Aug 2026	9,163,157$27.9M	+2,043,150+28.7%
BlackRock, Inc.added · filed 7 Aug 2026	5,678,035$17.3M	+1,925,835+51.3%
Defilade Capital Management, L.P.new · filed 14 Aug 2026	3,670,135$11.2M	+3,670,135
Driehaus Capital Management LLCadded · filed 14 Aug 2026	3,163,423$9.6M	+229,024+7.8%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,974,901$9.1M	+108,552+3.8%
RTW INVESTMENTS, LPadded · filed 14 Aug 2026	2,565,999$7.8M	+1,065,999+71.1%
AQR CAPITAL MANAGEMENT LLCadded · filed 14 Aug 2026	2,371,414$7.2M	+1,553,897+190.1%
MARSHALL WACE, LLPadded · filed 13 Aug 2026	2,012,458$6.1M	+1,078,994+115.6%
DAFNA Capital Management LLCreduced · filed 14 Aug 2026	2,008,164$6.1M	-21,000−1.0%