That is $160. But your point is valid.
Without the 11968 NBT the calculation is
As of Sat Feb 27 13:35:12 UTC 2016
"blocks" : 764207,
Total NBT = 1273831.3546
FSRT multisig
Balance of BhCnQrYrA5LZm871dtMQEXeU93gmqbhdrC is 0 NBT
FSRT singlesig
Balance of BFTnCyMX1nsTNp6X7Bcm1qVocvShdbwtMi is 151500 NBT
JordanLee singlesig
Balance of B5Zi5XJ1sgS6mWGu7bWJqGVnuXwiMXi7qj is 150000 NBT
FLOT 3-of-5 multisig
Balance of BqyRzFtWXDmjxrYpyJD42MLE5xc8FrB4js is 183513.4416 NBT
Total NBT in circulation is 788817.913000 NBT.
Required 15% reserve is 118322.686950 NBT
Tier 4 Funds
Tier 4 buy side funds controlled by FLOT
FLOT 5-of-8 multisig old
Balance of 3QDWJ2yqJ5iTUg6cSpAwxx95ba3NG97hzG is 0 BTC
FLOT 5-of-8 multisig new
Balance of 3HikFkS2Zinab1TJq7dqp6wSPyLu7i7bhe is 123.85130542 BTC
Tier 4 buy side funds controlled by JordanLee 113.8 BTC
NuSafe has $30000 for T4
bitfinex mid price is 433.325 USD
Tier 4 buy side funds total 237.651305 BTC and $30000.000000, valued $132980.251921 (306.883406 BTC)
118322.686950 NBT excluded from the share buyback calculation equals 273.057606 BTC.
306.883406 - 273.057606 = 33.825800 BTC sits in the share buyback pool.
10 percent of this 3.382580 BTC will be used for share buyback next week.
That is equivalent to approximately $1465.756497.