Company: SHPH
Filing Date: 2025-02-27
Form Type: 424B3
Source: 0001493152-25-008474
Chunk: 119

Company: Shuttle Pharmaceuticals Holdings, Inc.
Filing Date: 2025-02-27
Form: 424B3
Chunk 119
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2024 |     | 2023 |    2023 |
|:-------------------------------------------------|:----|:------------------------|--------:|:----|:-----|--------:|
| Recognized in general and administrative expense |     | $                       | 183,971 |     | $    | 115,000 |
| Recognized in research and development expense   |     |                         |  75,773 |     |      |  66,960 |
| Total                                            |     | $                       | 259,744 |     | $    | 181,960 |

As of December 31, 2024, there was $0.9 million of unrecognized RSU compensation cost related to non-vested stock-based compensation arrangements which is expected to be recognized over a weighted-average period of 2.85 years.

A summary of activity regarding the Restricted Stock Units issued follows:

Schedule of Restricted Stock Units (RSUs)

|                                |     | Number of RSU |           |   |     | Weighted Average   
 Fair Value Per RSU |       |
|:-------------------------------|:----|:--------------|----------:|:--|:----|:-------------------|------:|
| Outstanding, December 31, 2023 |     |               |    24,731 |   |     | $                  | 11.76 |
| Granted                        |     |               | 1,102,410 |   |     |                    |  0.81 |
| Forfeited                      |     |               |   (12,500 | ) |     |                    |     — |
| Vested                         |     |               |   (29,997 | ) |     |                    |  9.14 |
| Outstanding, December 31, 2024 |     | $             | 1,084,644 |   |     | $                  |  0.84 |

| F-23 |

Rights Offering and Financing Commitment

On February 7, 2024, the Company and its wholly-owned subsidiary, Shuttle Diagnostics, Inc., entered into a securities purchase agreement (the “Purchase Agreement”) with SRO, LLC, a Nevada limited liability company, pursuant to which SRO LLC agreed to commit to purchasing from the Company $2,250,000 of units from the Company, with each Unit consisting of (i) one share of the Company’s common stock, (ii) a warrant to purchase one share of the Company’s common