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Larimar Therapeutics, Inc.

LRMR Net buying

CIK 0001374690 #3232 in the set updated 17 Sep 2026

Bought (120 mo)

$136.69M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$370.00K

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$370.00K

2 of 2 sales

Net

+$136.32M

+$136.32M against sales at will

By person

17 insiders · 42 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Flynn James E

Director

$133.50M (17)

—

+$133.50M

12,038,231

11.59%

$40.18M

—

Hamilton Thomas Edward

Director

$2.66M (5)

—

+$2.66M

874,231

0.8416%

$2.92M

—

Hughes Thomas E.

See Remarks

—

$370.00K (2)

−$370.00K

125,247

0.1206%

$418.05K

+81.4%

Celano Michael

Chief Financial Officer

$118.63K (2)

—

+$118.63K

215,785

0.2077%

$720.25K

—

BEN-MAIMON CAROLE

President and CEO

$118.52K (2)

—

+$118.52K

368,276

0.3545%

$1.23M

—

Heller Frances K

Director

$106.71K (3)

—

+$106.71K

47,961

0.0462%

$160.08K

+167.0%

KIM DENNIS D

Chief Medical Officer

$77.90K (3)

—

+$77.90K

21,443

0.0206%

$71.57K

+1,386%

THOMAS FRANK E

Director

$47.00K (2)

—

+$47.00K

7,000

0.0067%

$23.36K

—

SHERMAN JEFFREY W

Director

$25.00K (1)

—

+$25.00K

5,000

0.0048%

$16.69K

—

Shankar Gopi

Chief Development Officer

$18.66K (1)

—

+$18.66K

76,443

0.0736%

$255.15K

—

Truitt Joseph

Director

$10.26K (1)

—

+$10.26K

2,750

0.0026%

$9.18K

—

Clayton Russell

Chief Medical Officer

—

71,443

0.0688%

$238.46K

—

LAMATTINA JOHN L

Director

—

31,376

0.0302%

$104.73K

—

Daniel Thomas O

Director

—

19,452

0.0187%

$64.93K

—

PEREZ ROBERT J

Director

—

10,886

0.0105%

$36.34K

+68.4%

Atlas Venture Fund VII L P entity

10% owner

—

<0.0001%

$36.72

−100.0%

CHONDRIAL THERAPEUTICS HOLDINGS, LLC entity

10% owner

—

<0.0001%

$26.70

−100.0%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Hughes Thomas E.

11 May 2017

President and CEO

Exercised, kept

68,073

$0.82

$55.82K

Hughes Thomas E.

11 May 2017

President and CEO

Exercised, kept

6,210

$0.75

$4.66K

Hughes Thomas E.

11 May 2017

President and CEO

Exercised, kept

18,928

$0.75

$14.20K

Show all 42 transactions →

What was left out

Form 4 filings counted 154

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 13

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 2

Transactions with no price 0

Shares from compensation/vesting 8,702,657

Sales filed before the plan box existed 2

History held since 31 Aug 2016