SCHEDULE Filed 2025-07-31 Event 2025-07-31 SEC 0001193805-25-001138 →

Flynn James E → Larimar Therapeutics, Inc. LRMR

Stake: 35.81% Shares: 30,667,474 CUSIP: 517125100 Class: Common Stock, par value $0.0001 per share

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended by adding the following: Each Fund acquired its July 2025 Shares for investment purposes in an underwritten offering conducted by the Company (the "July 2025 Offering") pursuant to the Prospectus Supplement, dated as of July 31, 2025, to the Issuer's Prospectus, dated as of May 24, 2024 (the "July 2025 Offering").

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

38 filings by this filer

37 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 3.89

7,639,333 shares short · +5.3% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $5.57M

Point72 Asset Mgmt

Other 13D/G Filings on Larimar Therapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2023-03-17	SC	Flynn James E	—	—	view →
2022-09-16	SC	Flynn James E	—	—	view →
2021-07-02	SC	Flynn James E	—	—	view →
2021-05-26	SC	Flynn James E	—	—	view →
2021-05-21	SC	Flynn James E	—	—	view →
2020-07-01	SC	Flynn James E	—	—	view →
2020-06-30	SC	CHONDRIAL THERAPEUTICS HOLDINGS, LLC	—	—	view →

Other Filings by Flynn James E

Filed	Form	Issuer	Stake	Shares
2025-03-24	SCHEDULE	ARS Pharmaceuticals, Inc. SPRY	10.72%	10,514,657	view →
2025-03-03	SCHEDULE	BiomX Inc. PHGE	9.99%	15,558,445	view →
2025-02-25	SCHEDULE	Singular Genomics Systems, Inc.	100.00%	1,000	view →
2025-01-28	SCHEDULE	Acutus Medical, Inc.	9.10%	5,492,725	view →
2025-01-23	SCHEDULE	Acutus Medical, Inc.	9.10%	9,705,857	view →
2024-07-11	SC	BiomX Inc. PHGE	—	—	view →
2024-05-30	SC	BiomX Inc. PHGE	—	—	view →
2023-05-23	SC	CalciMedica, Inc. CALC	—	—	view →
2023-03-17	SC	Larimar Therapeutics, Inc. LRMR	—	—	view →
2023-01-17	SC	Oncorus, Inc.	—	—	view →
2022-09-16	SC	Larimar Therapeutics, Inc. LRMR	—	—	view →
2022-07-05	SC	Acutus Medical, Inc.	—	—	view →
2022-04-27	SC	Acutus Medical, Inc.	—	—	view →
2021-11-19	SC	Oncology Institute, Inc. TOIIW	—	—	view →
2021-08-26	SC	Acutus Medical, Inc.	—	—	view →
2021-07-21	SC	Acutus Medical, Inc.	—	—	view →
2021-07-13	SC	Acutus Medical, Inc.	—	—	view →
2021-07-02	SC	Larimar Therapeutics, Inc. LRMR	—	—	view →
2021-07-01	SC	DFP HEALTHCARE ACQUISITIONS CORP. TOIIW	—	—	view →
2021-06-14	SC	Quantum-Si Inc QSIAW	—	—	view →

Showing 20 of 37

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