SEC filing record
Primary Source · SEC.gov

Lyra Therapeutics, Inc.

2023 vintageSecurities Exchange Act of 1934Filing record

Built from the SEC filing index the day the filing landed. The figures below are the issuer's own from Form 15 / Schedule TO; AltStreet's analysis, sponsor link and data flags follow when the entity is enriched.

Latest signalExchange Act deregistrationForm 15-12G · 2026-04-30Last filing 2026-04-30

Raised

$50M

Investors

24

Min Invest

None stated

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What this filing shows

·

Every sentence is a value as filed on SEC Form D

Lyra Therapeutics, Inc. is an entity organized in Delaware that filed a Form D with the SEC on April 30, 2026. The offering claims Securities Exchange Act of 1934. Lyra Therapeutics, Inc. reported $50,000,008 sold from 24 investors as of the Form D filed April 30, 2026. The Form D names Cantor Fitzgerald & Co. (CRD 134), associated with None; William Blair & Company, L.L.C. (CRD 1252), associated with None; H.C. Wainwright & Co., LLC (CRD 375), associated with None as recipients of sales compensation soliciting in all states. The issuer's address of record is 480 Arsenal Way, Watertown, MA 02472.

EDGAR Filing Data

Form 15 / Schedule TO — Primary Source

View on SEC.gov
CIK Number0001327273
Entity NameLyra Therapeutics, Inc.
ExemptionSecurities Exchange Act of 1934
Entity Type—
Jurisdiction of OrganizationDelaware
Issuer Address480 Arsenal Way, Watertown, MA 02472
Phone(617) 373-4600
Former Names480 Biomedical, Inc. (until November 28, 2016); Arsenal Vascular, Inc. (until November 8, 2011); Arsenal Medical, Inc. (until August 12, 2010); WMR Biomedical Inc (until February 27, 2009)
Industry / Fund Type—
Securities Type—
First Sale Date—
Filing DateApril 30, 2026
Accession Number0001193125-26-194908
Total Offering Amount$50,000,008
Total Amount Sold$50,000,008
Total Investors24
Minimum Investment$0 (no stated minimum)
Offering Duration—
State (Issuer Address)MA
Amendment Count5 filings on record

Filings on Record

Every filing AltStreet's ledger holds for this CIK, newest first. Each opens the SEC archive folder.

In the Terminal

Filing events

1

latest Apr 30, 2026

Critical / warning

0 / 1

0 watch · 0 info

Statements extracted

0

none on file

NAV prints

0

none on file

Offering chains

4

closed

Latest event Exchange act deregistration · Apr 30, 2026

SEC.gov
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Investor

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  • 4 offering timelines: velocity, share raised, first-sale lag, stalled flags

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Related Persons (Form D)

Executive officers, directors, and promoters listed on the SEC Form D filing. Source: SEC.gov.

Item 3 changed on the Form D filed 2023-06-09: 2 related persons added and 3 removed against the filing of 2022-04-26; 12 now listed. The names are in the Terminal feed.

Harlan Waksal, M.D.

Executive Officer, Director · Watertown, MA

Maria Palasis, Ph.D.

Executive Officer, Director · Watertown, MA

Jason Cavalier

Executive Officer · Watertown, MA

Michael Altman

Director · Watertown, MA

Edward Anderson

Director · Watertown, MA

C. Ann Merrifield

Director · Watertown, MA

Konstantin Ann Poukalov

Director · Watertown, MA

W. Bradford Smith

Director · Watertown, MA

Nancy Bradford Snyderman, M.D., FACS

Director · Watertown, MA

James R. Tobin

Director · Watertown, MA

John R. Bishop, Ph.D.

Executive Officer · Watertown, MA

Richard R. Nieman, M.D.

Executive Officer · Watertown, MA

Placement Agents and Sales Compensation (Form D)

Who the issuer reported paying to sell the securities (Form D Item 12), with the FINRA registration number the filer gave. Source: SEC.gov.

Cantor Fitzgerald & Co.CRD 134 on BrokerCheck

Associated broker-dealer: None · New York, NY · Soliciting in all states

William Blair & Company, L.L.C.CRD 1252 on BrokerCheck

Associated broker-dealer: None · Chicago, IL · Soliciting in all states

H.C. Wainwright & Co., LLCCRD 375 on BrokerCheck

Associated broker-dealer: None · New York, NY · Soliciting in all states

Questions About Lyra Therapeutics, Inc.

Each answer is built from the values on the SEC filing and the AltStreet ledger, not from the issuer's marketing.

What is Lyra Therapeutics, Inc.?

Lyra Therapeutics, Inc. is an issuer that filed a Form D with the SEC on April 30, 2026. The filing claims Securities Exchange Act of 1934.

Is Lyra Therapeutics, Inc. legit?

AltStreet does not rate legitimacy; it reports the public record. Lyra Therapeutics, Inc. filed a Form D with the SEC on April 30, 2026 claiming Securities Exchange Act of 1934. A Form D is a notice of an exempt offering, not a review or approval of it. The newest notice reports $50,000,008 sold to 24 investors. AltStreet's enforcement record (SEC, FINRA and state actions) shows no action naming the issuer as of today. Before investing, confirm the filing on EDGAR, check the seller's registration on FINRA BrokerCheck, and read the offering documents, which a Form D does not include.

Is Lyra Therapeutics, Inc. registered with or approved by the SEC?

No. A Form D is a notice that an issuer is selling securities under an exemption from registration, and the SEC does not review, approve, or pass on the merits of the offering. The filing shows that Lyra Therapeutics, Inc. claimed Securities Exchange Act of 1934 and disclosed the items the form requires, such as the amount sold, the minimum investment, related persons, and anyone paid to sell the securities. It does not verify the issuer's claims or its business.

How much has Lyra Therapeutics, Inc. raised?

Lyra Therapeutics, Inc. reported $50,000,008 sold from 24 investors as of the Form D filed April 30, 2026.

Who is selling Lyra Therapeutics, Inc. and how are they paid?

The Form D names Cantor Fitzgerald & Co. (CRD 134), associated with None; William Blair & Company, L.L.C. (CRD 1252), associated with None; H.C. Wainwright & Co., LLC (CRD 375), associated with None as recipients of sales compensation soliciting in all states.

Who is behind Lyra Therapeutics, Inc.?

The Form D lists 12 related persons: Harlan Waksal, M.D., executive officer, director; Maria Palasis, Ph.D., executive officer, director; Jason Cavalier, executive officer; Michael Altman, director; Edward Anderson, director; C. Ann Merrifield, director; Konstantin Ann Poukalov, director; W. Bradford Smith, director, and 4 more. Form D Item 3 requires executive officers, directors, and promoters of the issuer to be listed.

Where is Lyra Therapeutics, Inc. located?

The issuer's address on its SEC filings is 480 Arsenal Way, Watertown, MA 02472. Its phone number of record is 617-373-4600. It is organized under the laws of Delaware.

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Data Methodology

Capital raise figures, investor counts, and filing dates are sourced directly from SEC EDGAR Form D primary documents via the SEC EDGAR submissions API and full-text search index. EDGAR entity profiles and deal-level data are reviewed by AltStreet analysts with backgrounds in corporate finance and securities law — cross-referenced against offering circulars, audited financial statements, and primary regulatory filings before publication. Platform-provided information, where present, is clearly labeled and does not affect EDGAR data or AltStreet editorial coverage. Platforms may request factual corrections for demonstrable inaccuracies by contacting [email protected]. This page does not constitute investment advice.