Castellum, Inc. (CTM) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 08, 2026

Risk Assessment Details

Potential Dilution: 10.55% of current shares
Recent Dilution: 61.63% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
95M
Potential Supply
10M
Additional shares possible
Splits
None
Past 2 years

Summary

CTM currently has 94.6M outstanding shares. with limited dilution risk as only 9.98M additional shares (10.6%) are authorized for issuance. The company has significantly diluted shareholders by 61.63% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 08, 2026

10-Q filing | 94.6M shares outstanding

95M 10M
Mar 09, 2026

10-K filing | 93.0M shares outstanding

93M 10M
Nov 07, 2025

10-Q filing | 89.8M shares outstanding

90M 10M
Aug 15, 2025

8-K filing: Castellum, Inc. announced that Purchasers have exercised an aggregate of 3,673,666 Warrants that are exercisable into 3,673,666 shares of Common Stock for total gross proceeds of $4,481,873. ($4.48M proceeds)

87M 10M
Aug 08, 2025

10-Q filing | 87.1M shares outstanding

87M 10M
Jun 13, 2025

8-K filing: Castellum, Inc. completed a public offering on June 13, 2025, selling 4,166,667 units, each consisting of one share of common stock and one warrant, at $1.20 per unit, for gross proceeds of approximately $5 million. ($10.0M proceeds)

81M 10M
May 09, 2025

10-Q filing | 81.0M shares outstanding

81M 10M
Apr 10, 2025

8-K filing: Castellum, Inc. closed a public offering of 4,500,000 units, each consisting of one share of common stock and one warrant, at $1.00 per unit, generating $4.5 million in gross proceeds, and subsequently 1,145,000 warrants were exercised at $1.08 per share, generating gross proceeds of $1,236,600. ($5.74M proceeds)

80M 10M
Mar 18, 2025

8-K filing: Castellum, Inc. closed a public offering on March 18, 2025, selling 4,500,000 units, each consisting of one share of common stock and one warrant, at $1.00 per unit, for gross proceeds of $4.5 million. ($4.5M proceeds)

80M 10M
Mar 11, 2025

10-K filing | 80.4M shares outstanding

80M 10M
Jan 10, 2025

S-3 filing: The filing registers an indeterminate number of shares of common stock, preferred stock, warrants, rights to purchase common stock or preferred stock, debt securities, and units to purchase common stock, preferred stock, warrants, or any combination thereof, with an aggregate initial offering price not to exceed $100,000,000.00.

57M 10M
Dec 30, 2024

8-K filing: Castellum, Inc. closed a public offering on December 30, 2024, selling 4,355,000 shares of common stock at $0.85 per share, resulting in gross proceeds of approximately $3.7 million. ($3.7M proceeds)

57M 10M
Dec 26, 2024

8-K filing: Castellum, Inc. completed a registered direct offering of 9,473,700 shares of common stock at $0.38 per share, resulting in gross proceeds of approximately $3.6 million. ($3.6M proceeds)

57M 10M
Nov 13, 2024

10-Q filing | 57.2M shares outstanding

57M 10M
Aug 09, 2024

10-Q filing | 57.2M shares outstanding

57M 10M
Jul 03, 2024

8-K filing: Castellum, Inc. entered into employment agreements with Glen R. Ives and Jay O. Wright, granting Ives stock options to purchase 750,000 shares and independent board members stock options to purchase 250,000 shares, and adjusted compensation for board members.

55M 10M
May 15, 2024

10-Q filing | 54.8M shares outstanding

55M 10M
Apr 08, 2024

S-3 filing: This S-3 filing from Castellum, Inc. relates to an offering of 8,437,501 shares of common stock by selling stockholders, assuming the exercise of warrants, with 53,029,915 shares of common stock outstanding before the offering.

53M 10M
Mar 21, 2024

10-K filing | 53.0M shares outstanding

53M 1.5M
Jan 29, 2024

8-K filing: Castellum, Inc. entered into a securities purchase agreement to sell 5,243,967 shares of common stock at $0.32 per share and 3,193,534 pre-funded warrants at $0.319 per warrant, along with warrants to purchase up to 8,437,501 shares, for gross proceeds of approximately $2.7 million. ($2.7M proceeds)

48M 1.5M
Dec 01, 2023

S-3 filing: The filing is an S-3 shelf registration statement allowing the company to offer securities up to $10,000,000 and selling stockholders to offer up to 1,425,000 shares of Common Stock from time to time.

48M 1.5M
Nov 14, 2023

10-Q filing | 48.5M shares outstanding

49M 120K
Aug 14, 2023

10-Q filing | 48.4M shares outstanding

48M 120K
May 15, 2023

10-Q filing | 43.1M shares outstanding

43M 120K
Mar 28, 2023

8-K filing: Castellum, Inc. acquired Global Technology and Management Resources, Inc. through a merger, issuing 4,866,570 shares of Castellum's common stock to the stockholders of GTMR as part of the consideration.

42M 120K
Mar 17, 2023

10-K filing | 42.3M shares outstanding

42M 120K
Feb 16, 2023

8-K filing: Castellum, Inc. entered into a series of transactions with Crom Cortana Fund LLC, including the conversion of a convertible promissory note into 556,250 shares of common stock and a securities purchase agreement for a convertible promissory note and a warrant to purchase up to 700,000 shares.

42M 120K
Nov 14, 2022

10-Q filing | 41.5M shares outstanding

42M 120K
Oct 18, 2022
Stock Split

8-K filing: Castellum, Inc. completed a 1-for-20 reverse stock split, a public offering of 1,350,000 shares of common stock, and issued 15,375,000 shares of common stock upon conversion of Series B preferred stock. ($2.7M proceeds)

N/A 120K
Oct 11, 2022

S-1/A filing: This S-1/A filing registers 2,418,750 shares of common stock for sale by selling security holders. The company will not receive any proceeds from the sale of these securities.

N/A 2.4M
Oct 06, 2022

S-1/A filing: Registration of shares of common stock, warrants and convertible notes for sale by the company and selling stockholders.

N/A 6.1M
Oct 04, 2022

S-1/A filing: This is an S-1/A filing related to an offering of Common Stock, including an over-allotment option for additional shares.

N/A 2.2M
Sep 30, 2022

S-1/A filing: This is an S-1/A filing for Castellum, Inc. regarding the offering of up to 2,218,750 shares of common stock by selling security holders.

N/A 2.2M
Sep 02, 2022

S-1 filing: This S-1 filing is for a secondary offering of up to 2,218,750 shares of common stock by selling security holders.

N/A 2.2M
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