31 RELATED PARTY TRANSACTIONS
Remuneration key management and non-executive directors
Key management consists of the members of the Executive Committee and the non-executive Directors and the entities controlled by any of them.
| Years ended December 31, | ||||||||||||
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€ in thousands, except for number of management members |
2017 | 2016 | 2015 | |||||||||
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Number of management members |
7 | 7 | 8 | |||||||||
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Short-term employee benefits (salaries, social security, bonuses, lunch vouchers) |
2,580 | 2,394 | 2,295 | |||||||||
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Post-employment benefits (group insurance) |
284 | 183 | 166 | |||||||||
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Share-based compensation expense |
1,512 | 1,547 | 834 | |||||||||
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Other employee benefits |
129 | 130 | 124 | |||||||||
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Management fees |
398 | 338 | 451 | |||||||||
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Retribution |
(27 | ) | (32 | ) | (31 | ) | ||||||
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Total |
4,875 | 4,560 | 3,839 | |||||||||
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Number of warrants granted (in units) |
433,440 | 365,844 | 293,311 | |||||||||
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Cumulative outstanding warrants (in units) |
1,507,149 | 1,824,259 | 1,744,645 | |||||||||
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Shares owned (in units) |
577,805 | 402,805 | 205,805 | |||||||||
Transactions with non-executive Directors:
| Years ended December 31, | ||||||||||||
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€ in thousands |
2017 | 2016 | 2015 | |||||||||
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Share-based compensation expense |
1 | 13 | 41 | |||||||||
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Management fees |
360 | 363 | 305 | |||||||||
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Total |
361 | 376 | 346 | |||||||||
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Number of warrants offered or granted (in units) |
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Cumulative outstanding warrants (in units) |
64,590 | 68,430 | 74,595 | |||||||||
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Non-vested warrants |
2,432 | 22,831 | ||||||||||
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Shares owned (in units) |
31,434 | 31,165 | 25,000 | |||||||||