TABLE OF CONTENTS

| ​ | Pennsylvania                                                   | ​ | ​ | 11-2948749                              | ​ |
|---------|----------------------------------------------------------------|---------|---------|-----------------------------------------|---------|
| ​ | (State or Other Jurisdiction of Incorporation or Organization) | ​ | ​ | (I.R.S. Employer Identification Number) | ​ |
| ​ | 400 Interstate North Parkway SE, Suite 1350 Atlanta, GA        | ​ | ​ | 30339                                   | ​ |
| ​ | (Address of Principal Executive Offices)                       | ​ | ​ | (Zip Code)                              | ​ |
| ​ | Class A Common Stock, no par value | ​ | ​ | The NASDAQ Stock Market LLC                 | ​ |
|---------|------------------------------------|---------|---------|---------------------------------------------|---------|
| ​ | (Title of each class)              | ​ | ​ | (Name of each exchange on which registered) | ​ |
| ​ | Large accelerated filer ☐ | ​ | ​ | Accelerated filer ☒ | ​ | ​ | Non-accelerated filer ☐ | ​ | ​ | Smaller Reporting Company ☐ | ​ |
|---------|---------------------------------------|---------|---------|---------------------------------|---------|---------|-------------------------------------|---------|---------|-----------------------------------------|---------|

----

TABLE OF CONTENTS​

| ​ | PART III:                                                                                                      | ​ | ​ |
|---------|----------------------------------------------------------------------------------------------------------------|---------|---------|
| ​ | ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE ​                                    | ​ | ​ | ​ | ​ | 1 | ​ | ​ |
| ​ | ITEM 11.EXECUTIVE COMPENSATION ​                                                                         | ​ | ​ | ​ | ​ | 6 | ​ | ​ |
| ​ | ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS ​ | ​ | ​ | ​ | ​ | 15 | ​ | ​ |
| ​ | ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE ​                      | ​ | ​ | ​ | ​ | 18 | ​ | ​ |
| ​ | ITEM 14.PRINCIPAL ACCOUNTANT FEES AND SERVICES ​                                                         | ​ | ​ | ​ | ​ | 18 | ​ | ​ |
| ​ | PART IV:                                                                                                       | ​ | ​ |
| ​ | ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES ​                                                        | ​ | ​ | ​ | ​ | 19 | ​ | ​ |
| ​ | SIGNATURES                                                                                                     | ​ | ​ | ​ | ​ | 21 | ​ | ​ |

----

TABLE OF CONTENTS​

| Name                   | ​ | ​ | Age | ​ | ​ | Position              | ​ | ​ | Director Since | ​ |
|------------------------|---------|---------|-----|---------|---------|-----------------------|---------|---------|----------------|---------|
| Tony G. Holcombe       | ​ | ​ | 61  | ​ | ​ | Director              | ​ | ​ | 2011           | ​ |
| Sherrie G. McAvoy      | ​ | ​ | 57  | ​ | ​ | Director              | ​ | ​ | 2013           | ​ |
| Stratton J. Nicolaides | ​ | ​ | 63  | ​ | ​ | Chairman of the Board | ​ | ​ | 1999           | ​ |
| Jerry A. Rose          | ​ | ​ | 58  | ​ | ​ | Director              | ​ | ​ | 2013           | ​ |
| Andrew J. Ryan         | ​ | ​ | 58  | ​ | ​ | Director              | ​ | ​ | 1996           | ​ |
| Brian Igoe             | ​ | ​ | 61  | ​ | ​ | Director              | ​ | ​ | 2016           | ​ |
| Eric Singer            | ​ | ​ | 43  | ​ | ​ | Director              | ​ | ​ | 2016           | ​ |

----

TABLE OF CONTENTS

----

TABLE OF CONTENTS

----

TABLE OF CONTENTS

----

TABLE OF CONTENTS

| Name                   | ​ | ​ | Audit Committee | ​ | ​ | Compensation Committee | ​ | ​ | Nominating Committee | ​ |
|------------------------|---------|---------|-----------------|---------|---------|------------------------|---------|---------|----------------------|---------|
| Brian Igoe             | ​ | ​ | *               | ​ | ​ | *                      | ​ | ​ |
| Tony G. Holcombe       | ​ | ​ | *               | ​ | ​ | Chairperson            | ​ | ​ |
| Sherrie G. McAvoy      | ​ | ​ | Chairperson     | ​ | ​ | *                      | ​ | ​ | *                    | ​ |
| Stratton J. Nicolaides | ​ | ​ | ​         | ​ |
| Jerry A. Rose          | ​ | ​ | ​         | ​ | ​ | *                      | ​ | ​ | Chairperson          | ​ |
| Andrew J. Ryan         | ​ | ​ | ​         | ​ |
| Eric Singer            | ​ | ​ | *               | ​ | ​ | ​                | ​ | ​ | *                    | ​ |

----

TABLE OF CONTENTS​

----

TABLE OF CONTENTS

----

TABLE OF CONTENTS

| ​                                               | ​ | ​ | Bonus as percent of Target Bonus | ​ | ​ | Goals   | ​ |
|-------------------------------------------------------|---------|---------|----------------------------------|---------|---------|---------|---------|
| Measure & Weight                                  | ​ | ​ | Threshold                        | ​ | ​ | Target  | ​ | ​ | Stretch | ​ | ​ | Threshold | ​ | ​ | Target | ​ | ​ | Stretch | ​ |
| Revenue                                               | ​ | ​ | ​                          | ​ | 12.5%   | ​ | ​ | ​ | ​ | ​ | 25% | ​ | ​ | ​ | ​ | ​ | 50% | ​ | ​ | ​ | ​ | $ | 75.0MM | ​ | ​ | ​ | ​ | $ | 80.5MM | ​ | ​ | ​ | ​ | $ | 88.5MM | ​ | ​ |
| Gross Margin                                          | ​ | ​ | ​                          | ​ | 12.5%   | ​ | ​ | ​ | ​ | ​ | 25% | ​ | ​ | ​ | ​ | ​ | 50% | ​ | ​ | ​ | ​ | ​ | 45% | ​ | ​ | ​ | ​ | ​ | 50% | ​ | ​ | ​ | ​ | ​ | 55% | ​ | ​ |
| Adjusted EBITDA as a % of Revenue before bonus payout | ​ | ​ | ​                          | ​ | 12.5%   | ​ | ​ | ​ | ​ | ​ | 25% | ​ | ​ | ​ | ​ | ​ | 50% | ​ | ​ | ​ | ​ | ​ | 8.5% | ​ | ​ | ​ | ​ | ​ | 9.5% | ​ | ​ | ​ | ​ | ​ | 11.7% | ​ | ​ |
| Growth in Network Subscriptions                       | ​ | ​ | ​                          | ​ | 6.25%   | ​ | ​ | ​ | ​ | ​ | 12.5% | ​ | ​ | ​ | ​ | ​ | 25% | ​ | ​ | ​ | ​ | ​ | 1,990,800 | ​ | ​ | ​ | ​ | ​ | 2,212,000 | ​ | ​ | ​ | ​ | ​ | 2,433,200 | ​ | ​ |
| Growth in ARPU                                        | ​ | ​ | ​                          | ​ | 6.25%   | ​ | ​ | ​ | ​ | ​ | 12.5% | ​ | ​ | ​ | ​ | ​ | 25% | ​ | ​ | ​ | ​ | ​ | 2.40 | ​ | ​ | ​ | ​ | ​ | 2.67 | ​ | ​ | ​ | ​ | ​ | 2.94 | ​ | ​ |
| Revenue as percentage of target revenue | ​ | ​ | Bonus as % of Quarterly Base Pay | ​ |
|-----------------------------------------|---------|---------|----------------------------------|---------|
| Below 50%                               | ​ | ​ | ​                          | ​ | 0% | ​ | ​ |
| 50% – 75%                         | ​ | ​ | ​                          | ​ | 25% | ​ | ​ |
| 75.1 – 90%                        | ​ | ​ | ​                          | ​ | 50% | ​ | ​ |
| 90.1% – 97.5%                     | ​ | ​ | ​                          | ​ | 75% | ​ | ​ |
| 97.6% – 100%                      | ​ | ​ | ​                          | ​ | 100% | ​ | ​ |
| 100.1% – 119.9%                   | ​ | ​ | ​                          | ​ | 120% | ​ | ​ |
| 120% – 130%                       | ​ | ​ | ​                          | ​ | 150% | ​ | ​ |
| 130.1% – 149.9%                   | ​ | ​ | ​                          | ​ | 175% | ​ | ​ |
| 150% and above                          | ​ | ​ | ​                          | ​ | 200% | ​ | ​ |

----

TABLE OF CONTENTS

| Position | ​ | ​ | The Value of Annual Equity Grants as a % of Base Pay(1) | ​ |
|----------|---------|---------|---------------------------------------------------------|---------|
| CEO      | ​ | ​ |  80% – 120%                                 | ​ |
| CFO      | ​ | ​ | 40% – 60%                                         | ​ |
| COO      | ​ | ​ | 40% – 60%                                         | ​ |
| CMO      | ​ | ​ | 40% – 60%                                         | ​ |
| CTO      | ​ | ​ | 40% – 60%                                         | ​ |
| EVP      | ​ | ​ | 40% – 60%                                         | ​ |

----

TABLE OF CONTENTS

| Name and Title                                        | ​ | ​ | Year    | ​ | ​ | Salary ($) | ​ | ​ | Bonus ($) | ​ | ​ | Stock Awards ($)(1) | ​ | ​ | Option Awards ($)(2) | ​ | ​   | Non-Equity Incentive Plan Compensation ($) | ​ | ​ | All Other Compensation ($)(3) | ​ | ​ | Total ($)(4) | ​ |
|-------------------------------------------------------|---------|---------|---------|---------|---------|------------|---------|---------|-----------|---------|---------|---------------------|---------|---------|----------------------|---------|-----------|--------------------------------------------|---------|---------|-------------------------------|---------|---------|--------------|---------|
| Marc Zionts,  Former CEO(5)                           | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | ​ | 400,000 | ​             | ​ | ​ | ​              | ​ | —   | ​                                    | ​ | ​ | ​                       | ​ | 194,640 | ​      | ​ | ​ | ​ | ​ | 198,785 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 9,746 | ​ | ​ | ​ | ​ | ​ | 803,171 | ​ | ​ |
| ​                                               | ​ | ​ | 2015    | ​ | ​ | ​    | ​ | ​ | 133,333   | ​ | ​ | ​             | ​ | ​ | —              | ​ | ​   | ​                                    | ​ | ​ | 1,266,674                     | ​ | ​ | ​      | ​ | ​ | 66,514 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 310,132 | ​ | ​ | ​ | ​ | ​ | 1,776,653 | ​ | ​ |
| Kenneth Gayron,  interim CEO and CFO(5)(8)            | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | ​ | 245,577 | ​             | ​ | ​ | ​              | ​ | 21,875(8) | ​                                    | ​ | ​ | ​                       | ​ | 347,826 | ​      | ​ | ​ | ​ | ​ | 293,664 | ​ | ​ | ​ | ​ | ​ | 28,125 | ​ | ​ | ​ | ​ | ​ | 8,777 | ​ | ​ | ​ | ​ | ​ | 945,844 | ​ | ​ |
| Sri Ramachandran,  Former Chief Technology Officer(5) | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | ​ | 275,000 | ​             | ​ | ​ | ​              | ​ | —   | ​                                    | ​ | ​ | ​                       | ​ | 262,526 | ​      | ​ | ​ | ​ | ​ | 234,074 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 11,388 | ​ | ​ | ​ | ​ | ​ | 782,988 | ​ | ​ |
| Richard A. Flynt  Former CFO(5)                       | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | ​ | 162,500 | ​             | ​ | ​ | ​              | ​ | —   | ​                                    | ​ | ​ | ​                       | ​ | — | ​      | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 137,500(7) | ​ | ​ | ​ | ​ | ​ | 300,000 | ​ | ​ |
| ​                                               | ​ | ​ | 2015    | ​ | ​ | ​    | ​ | ​ | 300,000   | ​ | ​ | ​             | ​ | ​ | —              | ​ | ​   | ​                                    | ​ | ​ | 55,476                        | ​ | ​ | ​      | ​ | ​ | 45,619 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 19,753 | ​ | ​ | ​ | ​ | ​ | 420,848 | ​ | ​ |
| ​                                               | ​ | ​ | 2014    | ​ | ​ | ​    | ​ | ​ | 300,000   | ​ | ​ | ​             | ​ | ​ | —              | ​ | ​   | ​                                    | ​ | ​ | 214,620                       | ​ | ​ | ​      | ​ | ​ | 91,249 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 18,367 | ​ | ​ | ​ | ​ | ​ | 624,236 | ​ | ​ |
| Vincent Costello,  Former CRO(5)                      | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | $       | 275,000 | ​             | ​ | ​ | ​              | ​ | —   | ​                                    | ​ | ​ | ​                       | ​ | 66,937  | ​      | ​ | ​ | ​ | ​ | 68,339 | ​ | ​ | ​ | ​ | ​ | 197,657 | ​ | ​ | ​ | ​ | ​ | 11,388 | ​ | ​ | ​ | ​ | ​ | 619,321 | ​ | ​ |
| ​                                               | ​ | ​ | 2015    | ​ | ​ | ​    | ​ | ​ | 61,522    | ​ | ​ | ​             | ​ | ​ | 60,000(6)            | ​ | ​   | ​                                    | ​ | ​ | 186,990                       | ​ | ​ | ​      | ​ | ​ | 189,168 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 1,755 | ​ | ​ | ​ | ​ | ​ | 544,831 | ​ | ​ |
| Shu Gan,  CMO(5)                                      | ​ | ​ | ​ | ​ | 2016    | ​    | ​ | ​ | ​   | ​ | 250,000 | ​             | ​ | ​ | ​              | ​ | —   | ​                                    | ​ | ​ | ​                       | ​ | 60,839  | ​      | ​ | ​ | ​ | ​ | 62,107 | ​ | ​ | ​ | ​ | ​ | 18,750 | ​ | ​ | ​ | ​ | ​ | 11,388 | ​ | ​ | ​ | ​ | ​ | 403,084 | ​ | ​ |
| ​                                               | ​ | ​ | 2015    | ​ | ​ | ​    | ​ | ​ | 60,737    | ​ | ​ | ​             | ​ | ​ | —              | ​ | ​   | ​                                    | ​ | ​ | 170,730                       | ​ | ​ | ​      | ​ | ​ | 172,278 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,380 | ​ | ​ | ​ | ​ | ​ | 406,125 | ​ | ​ |

----

TABLE OF CONTENTS

| ​             | ​ | ​ | Grant Date | ​ | ​ | Estimated Possible Payouts Under Non-Equity Incentive Plan Awards ($) | ​ | ​ | All Other Stock Awards: Number of Shares or Units | ​ | ​ | All Other Option Awards: Number of Securities Underlying Options | ​ | ​ | Exercise or Base Price of Option Awards ($) | ​ | ​ | Grant Date Fair Value of Stock and Option Awards ($) | ​ |
|---------------------|---------|---------|------------|---------|---------|-----------------------------------------------------------------------|---------|---------|---------------------------------------------------|---------|---------|------------------------------------------------------------------|---------|---------|---------------------------------------------|---------|---------|------------------------------------------------------|---------|
| Name                | ​ | ​ | Threshold  | ​ | ​ | Target                                                                | ​ | ​ | Maximum                                           | ​ |
| Kenneth Gayron      | ​ | ​ | ​    | ​ | 5/19/16 | ​                                                               | ​ | ​ | ​                                           | ​ | 75,000  | ​                                                          | ​ | ​ | ​                                     | ​ | 150,000 | ​                                              | ​ | ​ | ​ | ​ | 300,000 | ​ | ​ | ​ | ​ | ​ | 47,910 | ​ | ​ | ​ | ​ | ​ | 96,600 | ​ | ​ | ​ | ​ | ​ | 7.26 | ​ | ​ | ​ | ​ | ​ | 641,490 | ​ | ​ |
| Shu Gan             | ​ | ​ | ​    | ​ | 5/19/16 | ​                                                               | ​ | ​ | ​                                           | ​ | 50,000  | ​                                                          | ​ | ​ | ​                                     | ​ | 100,000 | ​                                              | ​ | ​ | ​ | ​ | 200,000 | ​ | ​ | ​ | ​ | ​ | 8,380 | ​ | ​ | ​ | ​ | ​ | 20,430 | ​ | ​ | ​ | ​ | ​ | 7.26 | ​ | ​ | ​ | ​ | ​ | 122,945 | ​ | ​ |
| Marc Zionts         | ​ | ​ | ​    | ​ | 5/19/16 | ​                                                               | ​ | ​ | ​                                           | ​ | 150,000 | ​                                                          | ​ | ​ | ​                                     | ​ | 300,000 | ​                                              | ​ | ​ | ​ | ​ | 600,000 | ​ | ​ | ​ | ​ | ​ | 26,810 | ​ | ​ | ​ | ​ | ​ | 65,390 | ​ | ​ | ​ | ​ | ​ | 7.26 | ​ | ​ | ​ | ​ | ​ | 393,425 | ​ | ​ |
| Rick Flynt          | ​ | ​ | ​    | ​ | — | ​                                                               | ​ | ​ | ​                                           | ​ | — | ​                                                          | ​ | ​ | ​                                     | ​ | — | ​                                              | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |
| Sri Ramachandran    | ​ | ​ | ​    | ​ | 5/19/16 | ​                                                               | ​ | ​ | ​                                           | ​ | 55,000  | ​                                                          | ​ | ​ | ​                                     | ​ | 110,000 | ​                                              | ​ | ​ | ​ | ​ | 220,000 | ​ | ​ | ​ | ​ | ​ | 9,220 | ​ | ​ | ​ | ​ | ​ | 22,480 | ​ | ​ | ​ | ​ | ​ | 7.26 | ​ | ​ | ​ | ​ | ​ | 301,011 | ​ | ​ |
| Vincent Costello(1) | ​ | ​ | ​    | ​ | 5/19/16 | ​                                                               | ​ | ​ | ​                                           | ​ | — | ​                                                          | ​ | ​ | ​                                     | ​ | 275,000 | ​                                              | ​ | ​ | ​ | ​ | 550,000 | ​ | ​ | ​ | ​ | ​ | 9,220 | ​ | ​ | ​ | ​ | ​ | 22,480 | ​ | ​ | ​ | ​ | ​ | 7.26 | ​ | ​ | ​ | ​ | ​ | 135,276 | ​ | ​ |
| ​          | ​ | ​ | Option Awards               | ​ | ​ | Stock Awards                   | ​ |
|------------------|---------|---------|-----------------------------|---------|---------|--------------------------------|---------|
| Name             | ​ | ​ | Shares Acquired on Exercise | ​ | ​ | Value Realized on Exercise ($) | ​ | ​ | Shares Acquired on Vesting | ​ | ​ | Value Realized on Vesting ($) | ​ |
| Kenneth Gayron   | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |
| Shu Gan          | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,250 | ​ | ​ | ​ | ​ | ​ | 38,273 | ​ | ​ |
| Marc Zionts      | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 1,841 | ​ | ​ | ​ | ​ | ​ | 13,955 | ​ | ​ |
| Rick Flynt       | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 6,303 | ​ | ​ | ​ | ​ | ​ | 46,895 | ​ | ​ |
| Vincent Costello | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 5,750 | ​ | ​ | ​ | ​ | ​ | 41,918 | ​ | ​ |
| Sri Ramachandran | ​ | ​ | ​                     | ​ | — | ​                        | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |

----

TABLE OF CONTENTS

| Name             | ​ | ​ | Securities Underlying Unexercised Options (#) Exercisable | ​ | ​ | Securities Underlying Unexercised Options (#) Unexercisable | ​ | ​ | Option Exercise Price ($) | ​ | ​ | Option Expiration Date(1) | ​ | ​ | No. of Shares or Units of Stock that have not vested(2) | ​ | ​ | Market Value of Shares or Units of Stock that have not vested ($) | ​ |
|------------------|---------|---------|-----------------------------------------------------------|---------|---------|-------------------------------------------------------------|---------|---------|---------------------------|---------|---------|---------------------------|---------|---------|---------------------------------------------------------|---------|---------|-------------------------------------------------------------------|---------|
| Marc Zionts      | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | 17,813  | ​                   | ​ | ​ | ​                                                 | ​ | 9.05    | ​                                                           | ​ | ​ | ​ | ​ | 9/1/2025 | ​ | ​ | ​ | ​ | ​ | 169,577 | ​ | ​ | ​ | ​ | ​ | 1,254,870 | ​ | ​ |
| ​          | ​ | ​ | —                                                   | ​ | ​ | ​                                                     | ​ | ​ | 65,390                    | ​ | ​ | ​                   | ​ | ​ | 7.26                                                    | ​ | ​ | ​                                                           | ​ | ​ | 5/19/2026 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |
| Richard A. Flynt | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | — | ​                   | ​ | ​ | ​                                                 | ​ | — | ​                                                           | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |
| Vincent Costello | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | 56,000  | ​                   | ​ | ​ | ​                                                 | ​ | 8.13    | ​                                                           | ​ | ​ | ​ | ​ | 10/28/2025 | ​ | ​ | ​ | ​ | ​ | 32,856 | ​ | ​ | ​ | ​ | ​ | 243,134 | ​ | ​ |
| ​          | ​ | ​ | —                                                   | ​ | ​ | ​                                                     | ​ | ​ | 22,480                    | ​ | ​ | ​                   | ​ | ​ | 7.26                                                    | ​ | ​ | ​                                                           | ​ | ​ | 5/19/2026 | ​ | ​ | ​ | ​ |
| Shu Gan          | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | 51,000  | ​                   | ​ | ​ | ​                                                 | ​ | 8.13    | ​                                                           | ​ | ​ | ​ | ​ | 10/28/2025 | ​ | ​ | ​ | ​ | ​ | 22,737 | ​ | ​ | ​ | ​ | ​ | 168,254 | ​ | ​ |
| ​          | ​ | ​ | —                                                   | ​ | ​ | ​                                                     | ​ | ​ | 20,430                    | ​ | ​ | ​                   | ​ | ​ | 7.26                                                    | ​ | ​ | ​                                                           | ​ | ​ | 5/19/2026 | ​ | ​ | ​ | ​ |
| Kenneth Gayron   | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | 96,600  | ​                   | ​ | ​ | ​                                                 | ​ | 7.26    | ​                                                           | ​ | ​ | ​ | ​ | 5/19/2026 | ​ | ​ | ​ | ​ | ​ | 47,910 | ​ | ​ | ​ | ​ | ​ | 354,534 | ​ | ​ |
| Sri Ramachandran | ​ | ​ | ​                                                   | ​ | — | ​                                                     | ​ | ​ | ​                   | ​ | 63,500  | ​                   | ​ | ​ | ​                                                 | ​ | 6.17    | ​                                                           | ​ | ​ | ​ | ​ | 1/26/2026 | ​ | ​ | ​ | ​ | ​ | 32,995 | ​ | ​ | ​ | ​ | ​ | 244,163 | ​ | ​ |
| ​          | ​ | ​ | —                                                   | ​ | ​ | ​                                                     | ​ | ​ | 22,480                    | ​ | ​ | ​                   | ​ | ​ | 7.26                                                    | ​ | ​ | ​                                                           | ​ | ​ | 5/19/2026 | ​ | ​ | ​ | ​ | ​ | 32,995 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |

----

TABLE OF CONTENTS

| ​                                                       | ​ | ​ | Payout ($) | ​ |
|---------------------------------------------------------------|---------|---------|------------|---------|
| Kenneth GayronCash Severance Payment ​                  | ​ | ​ | ​    | ​ | 300,000 | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | 1,069,374 | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | 1,369,374 | ​ | ​ |
| Shu GanCash Severance Payment ​                         | ​ | ​ | ​    | ​ | 125,000 | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | 696.835 | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | 821,835 | ​ | ​ |
| Sri RamachandranCash Severance Payment ​                | ​ | ​ | ​    | ​ | 137,500 | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | 880,415 | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | 1,017,915 | ​ | ​ |
| Vin CostelloCash Severance Payment ​                    | ​ | ​ | ​    | ​ | 137,500 | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | 823,886 | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | 961,386 | ​ | ​ |
| Marc ZiontsCash Severance Payment ​                     | ​ | ​ | ​    | ​ | 400,000 | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | 1,870,572 | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | 2,270,572 | ​ | ​ |
| Rick Flynt(1)Cash Severance Payment ​                   | ​ | ​ | ​    | ​ | NA | ​ | ​ |
| Fair Value of Options/Shares that Vest on a Change-in-Control | ​ | ​ | ​    | ​ | NA | ​ | ​ |
| Total:                                                        | ​ | ​ | ​    | ​ | NA | ​ | ​ |

----

TABLE OF CONTENTS

| Name                | ​ | ​ | Fees Earned or Paid in Cash ($)(1) | ​ | ​ | Stock Award ($)(2) | ​ | ​ | Options ($) | ​ | ​ | All Other Compensation ($) | ​ | ​ | Total ($) | ​ |
|---------------------|---------|---------|------------------------------------|---------|---------|--------------------|---------|---------|-------------|---------|---------|----------------------------|---------|---------|-----------|---------|
| Stratton Nicolaides | ​ | ​ | ​                            | ​ | — | ​            | ​ | ​ | ​     | ​ | — | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | 240,000(3) | ​ | ​ | ​ | ​ | ​ | 240,000 | ​ | ​ |
| Eric Singer         | ​ | ​ | ​                            | ​ | 35,000  | ​            | ​ | ​ | ​     | $       | 124,640 | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 159,640 | ​ | ​ |
| Brian Igoe          | ​ | ​ | ​                            | ​ | 35,000  | ​            | ​ | ​ | ​     | $       | 124,640 | ​                    | ​ | ​ | ​   | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 159,640 | ​ | ​ |
| Tony G. Holcombe    | ​ | ​ | ​                            | ​ | 43,000  | ​            | ​ | ​ | ​     | $       | 124,640 | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 167,640 | ​ | ​ |
| Sherrie G. McAvoy   | ​ | ​ | ​                            | ​ | 37,500  | ​            | ​ | ​ | ​     | $       | 132,126 | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 169,626 | ​ | ​ |
| Jerry A. Rose       | ​ | ​ | ​                            | ​ | 36,500  | ​            | ​ | ​ | ​     | $       | 124,640 | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 161,140 | ​ | ​ |
| Andrew J. Ryan      | ​ | ​ | ​                            | ​ | 30,000  | ​            | ​ | ​ | ​     | $       | 124,640 | ​                    | ​ | ​ | ​   | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 154,640 | ​ | ​ |

----

TABLE OF CONTENTS​

| ​                                                                                     | ​ | ​ | Shares Beneficially Owned(1) | ​ |
|---------------------------------------------------------------------------------------------|---------|---------|------------------------------|---------|
| Name and Address of Beneficial Owner or Identity of Group                                   | ​ | ​ | (#)                          | ​ | ​ | (%) | ​ |
| More Than 5% Shareholders                                                                   | ​ | ​ | ​                      |
| Gwynedd Resources, Ltd.(2)1011 Centre Road, Suite 322Wilmington, DE 19805                   | ​ | ​ | ​                      | ​ | 2,947,280 | ​ | ​ | ​ | ​ | ​ | 15.05% | ​ | ​ |
| VIEX Capital Advisors LLC(3)825 Third Ave, 33rd FloorNew York, NY 10022                     | ​ | ​ | ​                      | ​ | 1,881,394 | ​ | ​ | ​ | ​ | ​ | 9.60% | ​ | ​ |
| Kenneth Lebow(4)The Lebow Family Revocable Trust Santa Barbara, CA 93108                    | ​ | ​ | ​                      | ​ | 1,356,692 | ​ | ​ | ​ | ​ | ​ | 6.93% | ​ | ​ |
| Yorkmont Capital Partners, LP(5)2313 Lake Austin Blvd, Suite 202 Austin, TX 78703           | ​ | ​ | ​                      | ​ | 1,513,590 | ​ | ​ | ​ | ​ | ​ | 7.73% | ​ | ​ |
| Paul J. Solit(6)Potomac Capital Partners, L.P. 825 Third Ave, 33rd Floor New York, NY 10022 | ​ | ​ | ​                      | ​ | 1,085,811 | ​ | ​ | ​ | ​ | ​ | 5.09% | ​ | ​ |
| Directors and Executive Officers                                                            | ​ | ​ | ​                      |
| Vincent Costello(17)                                                                        | ​ | ​ | ​                      | ​ | 29,370 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Richard A. Flynt(8)                                                                         | ​ | ​ | ​                      | ​ | 9,036 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Shu Gan(16)                                                                                 | ​ | ​ | ​                      | ​ | 26,541 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Kenneth Gayron(7)                                                                           | ​ | ​ | ​                      | ​ | 36,127 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Tony G. Holcombe(9)                                                                         | ​ | ​ | ​                      | ​ | 95,350 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Sherrie G. McAvoy(10)                                                                       | ​ | ​ | ​                      | ​ | 38,407 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Stratton J. Nicolaides(11)                                                                  | ​ | ​ | ​                      | ​ | 235,189 | ​ | ​ | ​ | ​ | ​ | 1.20% | ​ | ​ |
| Sri Ramachandran(16)                                                                        | ​ | ​ | ​                      | ​ | 28,668 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Jerry A. Rose(12)                                                                           | ​ | ​ | ​                      | ​ | 36,000 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Andrew J. Ryan(13)                                                                          | ​ | ​ | ​                      | ​ | 231,368 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Brian R. Igoe(18)                                                                           | ​ | ​ | ​                      | ​ | 32,500 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| Eric Singer(3)                                                                              | ​ | ​ | ​                      | ​ | 1,881,394 | ​ | ​ | ​ | ​ | ​ | 9.60% | ​ | ​ |
| Marc J. Zionts(14)                                                                          | ​ | ​ | ​                      | ​ | 171,382 | ​ | ​ | ​ | ​ | ​ | * | ​ | ​ |
| All Current Directors and Executive Officers as a group                                     | ​ | ​ | ​                      | ​ | 2,851,332 | ​ | ​ | ​ | ​ | ​ | 14.56% | ​ | ​ |

----

TABLE OF CONTENTS

----

TABLE OF CONTENTS

| ​                                                    | ​ | ​ | Column A                                                                              | ​ | ​   | Column B                                                                        | ​ | ​ | Column C                                                                                                                           | ​ |
|------------------------------------------------------------|---------|---------|---------------------------------------------------------------------------------------|---------|-----------|---------------------------------------------------------------------------------|---------|---------|------------------------------------------------------------------------------------------------------------------------------------|---------|
| Plan Category                                              | ​ | ​ | Securities to be issued upon exercise of outstanding options, warrants and rights (#) | ​ | ​   | Weighted-average exercise price of outstanding options, warrants and rights ($) | ​ | ​ | Securities remaining available for future issuance under equity compensation plans (excluding securities reflected in Column A (#) | ​ |
| Equity compensation plans approved by security holders     | ​ | ​ | ​                                                                               | ​ | 1,649,479 | ​                                                                         | ​ | ​ | ​                                                                                                                            | ​ | 7.97 | ​ | ​ | ​ | ​ | ​ | 713,679 | ​ | ​ |
| Equity compensation plans not approved by security holders | ​ | ​ | ​                                                                               | ​ | —   | ​                                                                         | ​ | ​ | ​                                                                                                                            | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ |
| Total                                                      | ​ | ​ | ​                                                                               | ​ | 1,649,479 | ​                                                                         | ​ | ​ | ​                                                                                                                            | ​ | 7.97 | ​ | ​ | ​ | ​ | ​ | 713,679 | ​ | ​ |

----

TABLE OF CONTENTS​​

| Audit and Other Fees | ​ | ​ | FY 2016 ($) | ​ |
|----------------------|---------|---------|-------------|---------|
| Audit Fees           | ​ | ​ | ​     | $       | 892,269 | ​ | ​ |
| Audit-Related Fees   | ​ | ​ | ​     | ​ | — | ​ | ​ |
| Tax Fees             | ​ | ​ | ​     | ​ | — | ​ | ​ |
| All Other Fees       | ​ | ​ | ​     | ​ | — | ​ | ​ |

----

TABLE OF CONTENTS​

| ExhibitNumber | ​ | ​ | Description                                                                                                                                                                                              | ​ |
|---------------|---------|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
| 3.1(1)        | ​ | ​ | Amended and Restated Articles of Incorporation of the Company                                                                                                                                            | ​ |
| 3.2(1)        | ​ | ​ | Bylaws of the Company                                                                                                                                                                                    | ​ |
| 4.1           | ​ | ​ | Warrant to Purchase Stock issued to Kenneth Rainin Foundation                                                                                                                                            | ​ |
| 10.1(2)       | ​ | ​ | Registration Agreement between the Company and Dominion dated July 13, 1994                                                                                                                         | ​ |
| 10.2(3)       | ​ | ​ | Letter Agreement between the Company and Dominion (now Gwynedd) dated October 15, 1994, re: designation of director                                                                                 | ​ |
| 10.3(4)       | ​ | ​ | 2006 Long-Term Incentive Plan (2006 Plan)*                                                                                                                                                               | ​ |
| 10.4(5)       | ​ | ​ | 2014 Stock and Incentive Plan (2014 Plan)*                                                                                                                                                               | ​ |
| 10.6(6)       | ​ | ​ | Form of Change in Control Agreement dated August 5, 2014*                                                                                                                                           | ​ |
| 10.7(6)       | ​ | ​ | Form of Stock Option Agreement under 2014 Equity and Incentive Plan*                                                                                                                                     | ​ |
| 10.8(6)       | ​ | ​ | Form of Restricted Stock Unit Grant Notice and Agreement*                                                                                                                                                | ​ |
| 10.9(7)       | ​ | ​ | Marc Zionts employment agreement*                                                                                                                                                                        | ​ |
| 10.11(7)      | ​ | ​ | Stratton Nicolaides Employment Agreement dated November 4, 2015*                                                                                                                                    | ​ |
| 10.13(7)      | ​ | ​ | Shu Gan Offer Letter for Employment dated September 22, 2015*                                                                                                                                       | ​ |
| 10.15         | ​ | ​ | Sridhar Ramachandran Offer Letter for Employment dated November 20, 2015*                                                                                                                           | ​ |
| 10.16         | ​ | ​ | Kenneth Gayron Offer Letter for Employment dated November 24, 2015*                                                                                                                                 | ​ |
| 10.17         | ​ | ​ | Kelly Gay Offer Letter for Employment dated January 11, 2017 (previously filed)                                                                                                                     | ​ |
| 10.18         | ​ | ​ | Kelly Gay Severance and Change in Control Agreement dated March 6, 2017 (previously filed)                                                                                                          | ​ |
| 10.19         | ​ | ​ | Shu Gan Severance and Change in Control Agreement dates March 2, 2016 (previously filed)                                                                                                            | ​ |
| 10.20         | ​ | ​ | Ken Gayron Severance and Change in Control Agreement dated March 17, 2016 (previously filed)                                                                                                        | ​ |
| 10.21(8)      | ​ | ​ | Term Loan Agreement dated as of March 9, 2016 by and among Numerex Corp., the other parties thereto designated as Borrowers and Guarantors, and Crystal Finance LLC, as Term Agent                  | ​ |
| 10.22(9)      | ​ | ​ | First Amendment to Term Loan Agreement dated July 29, 2016 by and among Numerex Corp., the other parties thereto designated as Borrowers and Guarantors, and Crystal Finance LLC, as Term Agent     | ​ |
| 10.23(10)     | ​ | ​ | Second Amendment to Term Loan Agreement dated November 3, 2016 by and among Numerex Corp., the other parties thereto designated as Borrowers and Guarantors, and Crystal Finance LLC, as Term Agent | ​ |

----

TABLE OF CONTENTS

| ExhibitNumber | ​ | ​ | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | ​ |
|---------------|---------|---------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
| 10.25         | ​ | ​ | Senior Subordinated Promissory Note dated March 31, 2017, issued by Numerex Corp. to Kenneth Rainin Foundation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | ​ |
| 21.1          | ​ | ​ | Subsidiaries of Numerex Corp. (previously filed)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | ​ |
| 23.1          | ​ | ​ | Consent of BDO USA, LLP (previously filed)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | ​ |
| 23.2          | ​ | ​ | Consent of Grant Thornton, LLP (previously filed)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | ​ |
| 24.1          | ​ | ​ | Power of Attorney (previously filed)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | ​ |
| 31.1          | ​ | ​ | Rule 13a-14(a) Certification of Chief Executive Officer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | ​ |
| 31.2          | ​ | ​ | Rule 13a-14(a) Certification of Chief Financial Officer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | ​ |
| 32.1          | ​ | ​ | Rule 13a-14(b) Certification of Chief Executive Officer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | ​ |
| 32.2          | ​ | ​ | Rule 13a-14(b) Certification of Chief Financial Officer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | ​ |
| 101           | ​ | ​ | Interactive Data Files — The following financial information from Numerex Corp. Annual Report on Form 10-K for the year ended December 31, 2016 filed with the SEC on March 31, 2017, formatted in XBRL includes: (i) Consolidated Balance Sheets at December 31, 2016 and December 31, 2015, (ii) Consolidated Statements Operations for the fiscal periods ended December 31, 2016, 2015 and 2014, (iii) Consolidated Statements of Cash Flows for the fiscal periods ended December 31, 2016, 2015 and 2014, (iv) Consolidated Statement of Shareholders’ Equity and Comprehensive (Loss) Income for the fiscal period ended December 31, 2016, and (v) the Notes to Consolidated Financial Statements.** (previously filed) | ​ |

----

TABLE OF CONTENTS​

----