VOCERA COMMUNICATIONS INC

CUSIP: 92857F107 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021
Shares 33,100 Value ($000) $2,146 Avg Close — Range —
Q3 2021
Shares 33,600 Value ($000) $1,538 Avg Close — Range —
Q2 2021
Shares 33,600 Value ($000) $1,339 Avg Close — Range —
Q1 2021
Shares 33,600 Value ($000) $1,292 Avg Close — Range —
Q4 2020
Shares 32,700 Value ($000) $1,358 Avg Close — Range —
Q3 2020
Shares 32,700 Value ($000) $951 Avg Close — Range —
Q2 2020
Shares 33,700 Value ($000) $714 Avg Close — Range —
Q1 2020
Shares 33,700 Value ($000) $716 Avg Close — Range —
Q4 2019
Shares 32,000 Value ($000) $664 Avg Close — Range —
Q3 2019
Shares 32,000 Value ($000) $789 Avg Close — Range —
Q2 2019
Shares 1,077,681 Value ($000) $34,400 Avg Close — Range —
Q1 2019
Shares 1,105,079 Value ($000) $34,954 Avg Close — Range —
Q4 2018
Shares 1,564,635 Value ($000) $61,568 Avg Close — Range —
Q3 2018
Shares 1,708,555 Value ($000) $62,499 Avg Close — Range —
Q2 2018
Shares 1,710,378 Value ($000) $51,123 Avg Close — Range —
Q1 2018
Shares 1,649,561 Value ($000) $38,633 Avg Close — Range —
Q4 2017
Shares 1,597,525 Value ($000) $48,277 Avg Close — Range —
Q3 2017
Shares 1,494,136 Value ($000) $46,871 Avg Close — Range —
Q2 2017
Shares 1,424,419 Value ($000) $37,633 Avg Close — Range —
Q1 2017
Shares 1,187,478 Value ($000) $29,485 Avg Close — Range —
Q4 2016
Shares 387,023 Value ($000) $7,156 Avg Close — Range —
Q3 2016
Shares 18,120 Value ($000) $306 Avg Close — Range —
Q2 2016
Shares 20,370 Value ($000) $262 Avg Close — Range —
Q1 2016
Shares 16,970 Value ($000) $216 Avg Close — Range —
Q4 2015
Shares 16,970 Value ($000) $207 Avg Close — Range —
Q3 2015
Shares 17,720 Value ($000) $202 Avg Close — Range —
Q2 2015
Shares 17,800 Value ($000) $204 Avg Close — Range —
Q1 2015
Shares 16,800 Value ($000) $167 Avg Close — Range —
Q4 2014
Shares 17,000 Value ($000) $177 Avg Close — Range —
Q3 2014
Shares 18,800 Value ($000) $152 Avg Close — Range —
Q2 2014
Shares 20,400 Value ($000) $269 Avg Close — Range —
Q1 2014
Shares 28,300 Value ($000) $462 Avg Close — Range —
Q4 2013
Shares 23,800 Value ($000) $372 Avg Close — Range —
Q3 2013
Shares 28,800 Value ($000) $536 Avg Close — Range —
Q2 2013
Shares 28,209 Value ($000) $415 Avg Close — Range —