NanoVibronix, Inc. (NAOV) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 18, 2026

Risk Assessment Details

Potential Dilution: 210.51% of current shares
Recent Dilution: 730.15% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
6M
Potential Supply
13M
Additional shares possible
Splits
2 Splits 2 Reverse
Past 2 years

Summary

NAOV currently has 6M outstanding shares. with significant dilution risk as 12.6M authorized shares could dilute existing holders by 210.5%. The company has significantly diluted shareholders by 730.15% over the past 2 years, indicating aggressive capital raising. Recent corporate actions include 2 stock splits (positive for accessibility) and 2 reverse splits (concerning signal).

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 18, 2026

S-3 filing: This prospectus relates to the resale by the selling stockholder of up to 6,000,768 shares of common stock issuable upon the conversion of Series H Convertible Preferred Stock.

6M 13M
May 18, 2026

10-Q filing | 6.1M shares outstanding

6.1M 6.6M
Apr 15, 2026

10-K filing | 3.7M shares outstanding

3.7M 6.6M
Nov 14, 2025

10-Q filing | 1.1M shares outstanding

1.1M 6.6M
Oct 06, 2025

S-3/A filing: This prospectus relates to the resale by the selling stockholders named in this prospectus from time to time of up to 6,369,955 shares of our common stock.

800K 6.6M
Sep 17, 2025

8-K filing: NanoVibronix, Inc. sold 74,114 shares of common stock and prefunded warrants to purchase up to 217,090 shares in a registered direct offering, with net proceeds of approximately $1.8 million.

800K 1.6M
Sep 15, 2025

S-3 filing: This prospectus relates to the resale by the selling stockholders named in this prospectus from time to time of up to 1,347,935 shares of our common stock.

800K 1.6M
Aug 19, 2025

10-Q filing | 0.8M shares outstanding

800K 260K
Aug 11, 2025
Stock Split

8-K filing: Stock split 1-for-10 | Outstanding: 2,584,835 → 796,887

800K 260K
Jul 22, 2025

8-K filing: NanoVibronix, Inc. entered into a Securities Purchase Agreement to sell Series H Convertible Preferred Stock and warrants, with an initial closing on July 22, 2025, resulting in gross proceeds of $8 million. ($8.0M proceeds)

2.6M 2.6M
May 20, 2025

10-Q filing | 2.6M shares outstanding

2.6M 2.6M
May 16, 2025

8-K filing: NanoVibronix, Inc. completed a public offering on May 16, 2025, issuing 400,000 shares of Series G Convertible Preferred Stock and warrants to purchase up to 4,901,982 shares of Common Stock, with gross proceeds of approximately $10 million. ($10.0M proceeds)

830K 2.6M
May 14, 2025

S-1/A filing: This is a firm commitment public offering of Series G Convertible Preferred Stock and warrants to purchase common stock, along with common stock issuable upon conversion or exercise of the warrants.

830K 2.6M
May 12, 2025

S-1/A filing: This S-1/A filing relates to a firm commitment public offering of Series G Convertible Preferred Stock and warrants to purchase common stock.

830K 1.1M
Apr 29, 2025

S-1/A filing: This is a firm commitment public offering of Series G Convertible Preferred Stock and warrants to purchase common stock. The filing also relates to the shares of common stock issuable from time to time upon the conversion of the Preferred Stock, payment of dividends accrued on the Preferred Stock in shares of common stock upon conversion of the Preferred Stock, and the shares of common stock issuable upon exercise of the Warrants.

830K 1.1M
Apr 22, 2025

S-1/A filing: NanoVibronix, Inc. is offering Series G Convertible Preferred Stock and warrants to purchase common stock, with Dawson James Securities, Inc. acting as placement agent.

830K 3.5M
Mar 31, 2025

10-K filing | 0.8M shares outstanding

760K 980K
Mar 13, 2025
Stock Split

8-K filing: Stock split 1-for-11 | Outstanding: 8,716,327 → 792,394

790K 980K
Feb 14, 2025

8-K filing: Nanovibronix, Inc. consummated a merger with ENvue Medical Holdings, Corp. on February 14, 2025, issuing 1,734,995 shares of common stock and 57,720 shares of Series X Non-Voting Convertible Preferred Stock to ENvue's holders.

3.8M 11M
Feb 14, 2025

S-1 filing: NanoVibronix, Inc. is offering Series G Convertible Preferred Stock and warrants to purchase common stock.

8.7M 11M
Jan 07, 2025

8-K filing: NanoVibronix, Inc. issued 456,478 shares of common stock, a warrant to purchase up to 1,744,186 shares of common stock, and a pre-funded warrant to purchase up to 1,959,447 shares of common stock in exchange for a Series A-1 warrant to purchase up to 2,906,977 shares of common stock.

3.8M 11M
Nov 14, 2024

10-Q filing | 3.8M shares outstanding

3.8M 11M
Aug 14, 2024

10-Q filing | 2.8M shares outstanding

2.8M 11M
May 15, 2024

10-Q filing | 2.5M shares outstanding

2.5M 11M
Apr 08, 2024

10-K filing | 2.8M shares outstanding

2.8M 11M
Nov 13, 2023

10-Q filing | 2.0M shares outstanding

2M 11M
Sep 21, 2023

RW filing: The Registration Statement was never declared effective and no securities of the Company were sold in connection with the offering, so the withdrawal of the Registration Statement is consistent with the public interest and protection of investors.

1.7M 11M
Sep 12, 2023

S-3 filing: This S-3 filing registers the resale of up to 8,956,955 shares of common stock by selling stockholders.

1.7M 11M
Sep 01, 2023

8-K filing: NanoVibronix, Inc. entered into a securities purchase agreement for a private placement involving the issuance and sale of common shares, pre-funded warrants, and warrants, with net proceeds expected to be approximately $4.3 million.

1.7M 1.9M
Aug 11, 2023

10-Q filing | 1.7M shares outstanding

1.7M 1.9M
Aug 07, 2023

S-1/A filing: NanoVibronix, Inc. is offering shares of common stock, together with warrants to purchase shares of common stock, and prefunded warrants to purchase shares of common stock.

1.7M 1.9M
Aug 01, 2023

S-3 filing: NanoVibronix, Inc. may offer and sell from time to time, in one or more series or issuances and on terms that we will determine at the time of the offering, any combination of common stock, preferred stock, warrants and/or units up to an aggregate amount of $50,000,000.

1.7M 1.9M
Jul 17, 2023

S-1 filing: NanoVibronix, Inc. is offering shares of common stock, warrants, and prefunded warrants. The offering will terminate on a future date.

1.7M 1.9M
May 15, 2023

10-Q filing | 1.7M shares outstanding

1.7M 1.9M
Apr 17, 2023

10-K filing | 1.7M shares outstanding

1.7M 1.9M
Feb 08, 2023
Stock Split

8-K filing: Stock split 1-for-20 | Outstanding: 27,997,793 → 1,644,718

1.6M 1.9M
Dec 01, 2022

8-K filing: NanoVibronix, Inc. entered into a securities purchase agreement to sell 4,800,000 shares of common stock at $0.50 per share in a registered direct offering, expected to close on or about December 1, 2022. ($2.4M proceeds)

28M 37M
Nov 14, 2022

10-Q filing | 28.0M shares outstanding

28M 37M
Aug 15, 2022

10-Q filing | 28.0M shares outstanding

28M 37M
May 16, 2022

10-Q filing | 28.0M shares outstanding

28M 37M
Apr 15, 2022

10-K filing | 28.0M shares outstanding

28M 37M
Nov 15, 2021

10-Q filing | 27.9M shares outstanding

28M 37M
Aug 16, 2021

10-Q filing | 24.1M shares outstanding

24M 37M
May 24, 2021

10-Q filing | 21.2M shares outstanding

21M 37M
Apr 15, 2021

10-K filing | 4.2M shares outstanding

4.2M 37M
Jan 22, 2021

8-K filing: NanoVibronix, Inc. entered into letter agreements with existing accredited investors to exercise warrants to purchase up to 1,205,967 shares of common stock at $1.165 per share, with gross proceeds expected to be approximately $1.4 million. ($1.4M proceeds)

4.2M 37M
Dec 10, 2020

S-3 filing: Resale of common stock by selling stockholders.

4.2M 37M
Dec 07, 2020

8-K filing: NanoVibronix, Inc. completed a private placement issuing 5,914,285 shares of common stock and pre-funded warrants to purchase up to 2,657,144 shares for gross proceeds of approximately $6.0 million. ($6.0M proceeds)

4.2M 28M
Nov 16, 2020

10-Q filing | 4.2M shares outstanding

4.2M 28M
Sep 24, 2020

8-K filing: NanoVibronix, Inc. entered into an underwriting agreement with H.C. Wainwright & Co., LLC to sell 1,794,783 shares of common stock at $1.00 per share, with Wainwright having a 30-day option to purchase up to an additional 269,217 shares. ($1.79M proceeds)

4.3M 28M
Aug 26, 2020

8-K filing: NanoVibronix, Inc. completed an upsized firm commitment offering of 4,531,434 shares of common stock at $0.75 per share, resulting in net proceeds of approximately $2.7 million, and issued warrants to Wainwright to purchase 339,858 shares of Common Stock. ($3.4M proceeds)

4.3M 28M
Aug 07, 2020

8-K filing: On August 5, 2020, the Company issued an additional 375,000 shares of common stock to Bespoke Growth Partners, Inc. under a consulting agreement.

4.3M 28M
Jul 21, 2020

S-3 filing: NanoVibronix, Inc. may offer and sell from time to time, in one or more series or issuances, any combination of common stock and preferred stock up to an aggregate amount of $50,000,000.

4.3M 28M
Jul 06, 2020

10-Q filing | 4.3M shares outstanding

4.3M 0
Jun 26, 2020

8-K filing: NanoVibronix, Inc. issued a promissory note for $200,000 and a warrant to purchase 100,000 shares of common stock to an accredited investor.

4.3M 0
May 20, 2020

10-K filing | 4.3M shares outstanding

4.3M 0
Jan 22, 2020

S-3 filing: The filing relates to the registration of resale of common stock and common stock warrants issued under several stock purchase agreements.

N/A 0
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