Company: SONM
Filing Date: 2025-11-12
Form Type: 424B3
Source: 0001493152-25-021905
Chunk: 29

Company: SONIM TECHNOLOGIES INC
Filing Date: 2025-11-12
Form: 424B3
Chunk 29
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,618 |   |     |    |     | $         |  (4,152 | ) |
| Net income (loss) per share (*):                                           |     |            |         |   |     |                                    |         |   |     |    |     |           |         |   |
| Basic                                                                      |     | $          |  (19.14 | ) |     |                                    |         |   |     |    |     | $         |   (6.75 | ) |
| Diluted                                                                    |     | $          |  (19.14 | ) |     |                                    |         |   |     |    |     | $         |   (6.75 | ) |
| Weighted-average shares used in computing net income (loss) per share (*): |     |            |         |   |     |                                    |         |   |     |    |     |           |         |   |
| Basic                                                                      |     |            | 614,985 |   |     |                                    |         |   |     |    |     |           | 614,985 |   |
| Diluted                                                                    |     |            | 614,985 |   |     |                                    |         |   |     |    |     |           | 614,985 |   |

<div align='center'>See accompanying notes to unaudited pro forma condensed consolidated financial information.</div>

| 19 |

<div align='center'>SONIM TECHNOLOGIES INC.

UNAUDITED PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS
FOR THE YEAR ENDED DECEMBER 31, 2024
(IN THOUSANDS, EXCEPT SHARE AND PER SHARE AMOUNTS)</div>

|                                                                            |     | Historical |         |   |     | Transaction Accounting Adjustments |         |   |     |       |     | Pro Forma |         |   |
|:---------------------------------------------------------------------------|:----|:-----------|--------:|:--|:----|:-----------------------------------|--------:|:--|:----|:------|:----|:----------|--------:|:--|
| Net revenues                                                               |     | $          |  50,919 |   |     | $                                  | (50,919 | ) |     | -G    |     | $         |       — |   |
| Related party net revenues                                                 |     |            |   7,379 |   |     |                                    |