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LRMR Insider Trading

Insider Ownership Percentage: 4.50%
Insider Buying (Last 12 Months): $30,000,000.00
Insider Selling (Last 12 Months): $0.00

Larimar Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Larimar Therapeutics by year and by quarter.

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Larimar Therapeutics Share Price & Price History

Current Price: $3.68
Price Change: ▲ Price Increase of +0.21 (6.05%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for LRMR up to the past year.

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Days: 30 | 90 | 365

Larimar Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/31/2025James E FlynnDirectorBuy9,375,000$3.20$30,000,000.009,538,945View SEC Filing Icon  
2/16/2024James E FlynnDirectorBuy4,290,617$8.74$37,499,992.586,151,406View SEC Filing Icon  
2/14/2024Frank E. ThomasDirectorBuy2,000$11.00$22,000.002,000View SEC Filing Icon  
5/17/2023Joseph TruittDirectorBuy2,750$3.73$10,257.502,750View SEC Filing Icon  
5/17/2023Michael CelanoCFOBuy5,000$3.73$18,650.00112,746View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Larimar Therapeutics (NASDAQ:LRMR)

91.92% of Larimar Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at LRMR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Larimar Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/1/2025Cantor Fitzgerald L. P.127,500$0.41M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/19/2025Coldstream Capital Management Inc.17,533$57K0.0%N/A0.021%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP1,622,850$5.24M0.0%+160.6%1.960%Search for SEC Filing on Google Icon
11/17/2025Alyeska Investment Group L.P.1,887,169$6.10M0.0%-9.1%2.280%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE28,147$91K0.0%-42.1%0.034%Search for SEC Filing on Google Icon
11/17/2025Cantor Fitzgerald L. P.127,500$0.41M0.0%N/A0.154%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.74,530$0.24M0.0%+19.5%0.090%Search for SEC Filing on Google Icon
11/14/2025Creative Planning64,279$0.21M0.0%N/A0.078%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC102,680$0.33M0.0%+119.6%0.124%Search for SEC Filing on Google Icon
11/14/2025Deerfield Management Company L.P.30,606,974$98.86M1.5%+44.2%36.974%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP134,729$0.44M0.0%-85.1%0.163%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC78,216$0.25M0.0%-24.2%0.094%Search for SEC Filing on Google Icon
11/14/2025Mangrove Partners IM LLC442,236$1.43M0.1%-42.6%0.534%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG257,999$0.83M0.0%+138.1%0.312%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets10,146$33K0.0%+75.8%0.012%Search for SEC Filing on Google Icon
11/13/2025Blue Owl Capital Holdings LP5,853,040$18.91M5.8%+18.8%7.071%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP56,257$0.18M0.0%+79.4%0.068%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC21,220$69K0.0%-18.3%0.026%Search for SEC Filing on Google Icon
11/10/2025AXQ Capital LP37,771$0.12M0.0%+90.3%0.046%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP81,406$0.26M0.0%-18.5%0.098%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,087,840$9.97M0.0%+44.2%3.730%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.25,261$82K0.0%-54.6%0.031%Search for SEC Filing on Google Icon
11/5/2025B.O.S.S. Retirement Advisors LLC12,719$41K0.0%N/A0.015%Search for SEC Filing on Google Icon
10/31/2025AIGH Capital Management LLC1,000,000$3.23M0.9%N/A1.208%Search for SEC Filing on Google Icon
10/29/2025Wealth Enhancement Advisory Services LLC18,248$59K0.0%+33.9%0.022%Search for SEC Filing on Google Icon
10/23/2025Next Level Private LLC41,700$0.14M0.0%+108.5%0.050%Search for SEC Filing on Google Icon
10/17/2025Ethic Inc.75,397$0.24M0.0%+22.2%0.091%Search for SEC Filing on Google Icon
10/15/2025CWM LLC36,013$0.12M0.0%+10.3%0.044%Search for SEC Filing on Google Icon
8/15/2025Opaleye Management Inc.4,110,000$11.88M2.4%+114.7%4.965%Search for SEC Filing on Google Icon
8/15/2025Massar Capital Management LP51,556$0.15M0.1%N/A0.062%Search for SEC Filing on Google Icon
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 307,198$0.89M0.0%+70.6%0.371%Search for SEC Filing on Google Icon
8/14/2025Velan Capital Investment Management LP33,000$95K0.1%+17.9%0.040%Search for SEC Filing on Google Icon
8/14/2025Cerity Partners LLC220,201$0.64M0.0%N/A0.266%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd167,404$0.48M0.0%N/A0.202%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.69,285$0.20M0.0%+7.8%0.084%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.55,648$0.16M0.0%-13.9%0.067%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC25,963$75K0.0%-23.5%0.041%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC904,425$2.61M0.0%-0.4%1.413%Search for SEC Filing on Google Icon
8/6/2025Savant Capital LLC13,444$39K0.0%N/A0.021%Search for SEC Filing on Google Icon
7/30/2025Ethic Inc.61,723$0.19M0.0%N/A0.096%Search for SEC Filing on Google Icon
7/25/2025CWM LLC32,652$94K0.0%+205.0%0.051%Search for SEC Filing on Google Icon
7/11/2025Assenagon Asset Management S.A.256,861$0.74M0.0%+17.6%0.401%Search for SEC Filing on Google Icon
7/10/2025Wealth Enhancement Advisory Services LLC13,629$44K0.0%N/A0.021%Search for SEC Filing on Google Icon
7/8/2025Next Level Private LLC20,000$58K0.0%N/A0.031%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.2,671,271$5.74M0.0%-35.7%4.172%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers65,018$0.14M0.0%+15.7%0.102%Search for SEC Filing on Google Icon
5/21/2025Acadian Asset Management LLC53,239$0.11M0.0%N/A0.083%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.2,671,271$5.74M0.0%-35.7%4.172%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC112,226$0.24M0.0%N/A0.175%Search for SEC Filing on Google Icon
5/16/2025Alyeska Investment Group L.P.1,442,473$3.10M0.0%+46.6%2.253%Search for SEC Filing on Google Icon
5/15/2025Cubist Systematic Strategies LLC354,232$0.76M0.0%+51.5%0.553%Search for SEC Filing on Google Icon
5/15/2025Velan Capital Investment Management LP28,000$60K0.1%+55.6%0.044%Search for SEC Filing on Google Icon
5/15/2025Driehaus Capital Management LLC355,995$0.77M0.0%-72.0%0.556%Search for SEC Filing on Google Icon
5/14/2025Walleye Capital LLC17,166$37K0.0%N/A0.027%Search for SEC Filing on Google Icon
5/14/2025Jump Financial LLC86,350$0.19M0.0%-19.7%0.135%Search for SEC Filing on Google Icon
5/13/2025Algert Global LLC23,280$50K0.0%+91.0%0.036%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.64,284$0.14M0.0%+14.2%0.100%Search for SEC Filing on Google Icon
5/13/2025Altium Capital Management LLC273,204$0.59M1.4%-69.7%0.427%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC174,788$0.38M0.0%N/A0.273%Search for SEC Filing on Google Icon
5/9/2025Charles Schwab Investment Management Inc.100,457$0.22M0.0%-19.7%0.157%Search for SEC Filing on Google Icon
4/30/2025Alps Advisors Inc.47,460$0.10M0.0%-8.0%0.074%Search for SEC Filing on Google Icon
4/8/2025Rhumbline Advisers65,018$0.14M0.0%+15.7%0.102%Search for SEC Filing on Google Icon
3/24/2025Wellington Management Group LLP116,067$0.45M0.0%+10.3%0.182%Search for SEC Filing on Google Icon
2/17/2025Woodline Partners LP622,682$2.41M0.0%-50.0%0.976%Search for SEC Filing on Google Icon
2/17/2025Velan Capital Investment Management LP18,000$70K0.1%N/A0.028%Search for SEC Filing on Google Icon
2/17/2025Squarepoint Ops LLC28,071$0.11M0.0%-34.4%0.044%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Advisers LP67,024$0.26M0.0%-31.0%0.105%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP85,788$0.33M0.0%-28.2%0.134%Search for SEC Filing on Google Icon
2/17/2025Sphera Funds Management LTD.455,604$1.76M0.3%+9.9%0.714%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC14,870$58K0.0%N/A0.023%Search for SEC Filing on Google Icon
2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC188,543$0.73M0.1%-7.0%0.295%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC254,947$0.99M0.0%-66.6%0.400%Search for SEC Filing on Google Icon
2/17/2025Janus Henderson Group PLC6,443,286$24.94M0.0%+15.7%10.098%Search for SEC Filing on Google Icon
2/17/2025Graham Capital Management L.P.14,078$54K0.0%N/A0.022%Search for SEC Filing on Google Icon
2/17/2025Fred Alger Management LLC737,553$2.85M0.0%-6.2%1.156%Search for SEC Filing on Google Icon
2/17/2025Deutsche Bank AG44,052$0.17M0.0%-84.4%0.069%Search for SEC Filing on Google Icon
2/17/2025DAFNA Capital Management LLC371,434$1.44M0.4%-24.9%0.582%Search for SEC Filing on Google Icon
2/17/2025Driehaus Capital Management LLC1,269,856$4.91M0.0%-0.7%1.990%Search for SEC Filing on Google Icon
2/17/2025Cubist Systematic Strategies LLC233,873$0.91M0.0%+278.8%0.367%Search for SEC Filing on Google Icon
2/17/2025Balyasny Asset Management L.P.79,496$0.31M0.0%N/A0.125%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE53,190$0.21M0.0%+8.1%0.083%Search for SEC Filing on Google Icon
2/17/2025BNP Paribas Financial Markets6,465$25K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/17/2025Algert Global LLC12,190$47K0.0%N/A0.019%Search for SEC Filing on Google Icon
2/17/2025Alyeska Investment Group L.P.984,077$3.81M0.0%+38.6%1.542%Search for SEC Filing on Google Icon
2/14/2025Jane Street Group LLC33,781$0.13M0.0%-70.3%0.053%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp376,458$1.46M0.0%+8.6%0.590%Search for SEC Filing on Google Icon
2/14/2025Aquatic Capital Management LLC18,160$70K0.0%N/A0.028%Search for SEC Filing on Google Icon
2/14/2025Voya Investment Management LLC12,733$49K0.0%-88.2%0.020%Search for SEC Filing on Google Icon
2/14/2025Blue Owl Capital Holdings LP4,653,040$18.01M4.2%+11.7%7.292%Search for SEC Filing on Google Icon
2/14/2025Adage Capital Partners GP L.L.C.2,100,000$8.13M0.0%+23.5%3.291%Search for SEC Filing on Google Icon
2/14/2025MetLife Investment Management LLC18,428$71K0.0%-25.7%0.029%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP81,150$0.31M0.0%-24.1%0.127%Search for SEC Filing on Google Icon
2/13/2025Marshall Wace LLP110,304$0.43M0.0%+52.2%0.173%Search for SEC Filing on Google Icon
2/13/2025Jump Financial LLC107,544$0.42M0.0%+13.6%0.169%Search for SEC Filing on Google Icon
2/13/2025Walleye Trading LLC25,000$97K0.0%N/A0.039%Search for SEC Filing on Google Icon
2/13/2025XTX Topco Ltd63,810$0.25M0.0%+316.3%0.100%Search for SEC Filing on Google Icon
2/13/2025Barclays PLC70,425$0.27M0.0%+17.3%0.110%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC513,542$1.99M0.0%+45.1%0.805%Search for SEC Filing on Google Icon
2/13/2025Envestnet Asset Management Inc.35,525$0.14M0.0%+12.3%0.056%Search for SEC Filing on Google Icon
2/13/2025Wells Fargo & Company MN19,657$76K0.0%+51.7%0.031%Search for SEC Filing on Google Icon
Data available starting January 2016

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Larimar Therapeutics logo
Larimar Therapeutics, Inc., a clinical-stage biotechnology company, focuses on developing treatments for rare diseases using its novel cell penetrating peptide technology platform. Its lead product candidate is CTI-1601, which is in Phase 2 OLE clinical trial for the treatment of Friedreich's ataxia, a rare, progressive and fatal genetic disease. Larimar Therapeutics, Inc. is based in Bala Cynwyd, Pennsylvania.
Read More on Larimar Therapeutics

Today's Range

Now: $3.68
Low: $3.36
High: $3.75

50 Day Range

MA: $3.90
Low: $3.12
High: $5.09

52 Week Range

Now: $3.68
Low: $1.61
High: $6.91

Volume

1,012,583 shs

Average Volume

1,566,866 shs

Market Capitalization

$304.63 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.05

Who are the company insiders with the largest holdings of Larimar Therapeutics?

Larimar Therapeutics' top insider shareholders include:
  1. James E Flynn (Director)
  2. Frank E Thomas (Director)
Learn More about top insider investors at Larimar Therapeutics.

Who are the major institutional investors of Larimar Therapeutics?

Larimar Therapeutics' top institutional shareholders include:
  1. Deerfield Management Company L.P. — 36.97%
  2. Blue Owl Capital Holdings LP — 7.07%
  3. Vanguard Group Inc. — 3.73%
  4. Alyeska Investment Group L.P. — 2.28%
  5. Woodline Partners LP — 1.96%
  6. AIGH Capital Management LLC — 1.21%
Learn More about top institutional investors of Larimar Therapeutics stock.

Which institutional investors are selling Larimar Therapeutics stock?

In the last quarter, LRMR stock was sold by these institutional investors:
  1. Two Sigma Investments LP
  2. Mangrove Partners IM LLC
  3. Alyeska Investment Group L.P.
  4. JPMorgan Chase & Co.
  5. Bridgeway Capital Management LLC
  6. Bank of America Corp DE
  7. GSA Capital Partners LLP
  8. Intech Investment Management LLC

Which institutional investors are buying Larimar Therapeutics stock?

Within the last quarter, LRMR stock was bought by institutional investors including:
  1. Deerfield Management Company L.P.
  2. Woodline Partners LP
  3. AIGH Capital Management LLC
  4. Vanguard Group Inc.
  5. Blue Owl Capital Holdings LP
  6. UBS Group AG
  7. Cantor Fitzgerald L. P.
  8. Cantor Fitzgerald L. P.
In the last year, these company insiders have bought Larimar Therapeutics stock:
  1. James E Flynn (Director)
  2. Frank E Thomas (Director)
Learn More investors buying Larimar Therapeutics stock.