VOCERA COMMUNICATIONS INC

CUSIP: 92857F107 Class: COMMON STOCK

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2021
Shares 383,984 Value ($000) $24,897 Avg Close — Range —
Q3 2021
Shares 394,179 Value ($000) $18,038 Avg Close — Range —
Q2 2021
Shares 389,236 Value ($000) $15,511 Avg Close — Range —
Q1 2021
Shares 375,097 Value ($000) $14,427 Avg Close — Range —
Q4 2020
Shares 416,877 Value ($000) $17,312 Avg Close — Range —
Q3 2020
Shares 429,075 Value ($000) $12,479 Avg Close — Range —
Q2 2020
Shares 451,676 Value ($000) $9,575 Avg Close — Range —
Q1 2020
Shares 432,621 Value ($000) $9,188 Avg Close — Range —
Q4 2019
Shares 426,773 Value ($000) $8,860 Avg Close — Range —
Q3 2019
Shares 467,300 Value ($000) $11,519 Avg Close — Range —
Q2 2019
Shares 424,210 Value ($000) $13,541 Avg Close — Range —
Q1 2019
Shares 421,642 Value ($000) $13,336 Avg Close — Range —
Q4 2018
Shares 416,852 Value ($000) $16,403 Avg Close — Range —
Q3 2018
Shares 414,823 Value ($000) $15,174 Avg Close — Range —
Q2 2018
Shares 404,930 Value ($000) $12,103 Avg Close — Range —
Q1 2018
Shares 391,885 Value ($000) $9,179 Avg Close — Range —
Q4 2017
Shares 404,729 Value ($000) $12,231 Avg Close — Range —
Q3 2017
Shares 400,740 Value ($000) $12,571 Avg Close — Range —
Q2 2017
Shares 393,594 Value ($000) $10,399 Avg Close — Range —
Q1 2017
Shares 354,069 Value ($000) $8,793 Avg Close — Range —
Q4 2016
Shares 346,207 Value ($000) $6,401 Avg Close — Range —
Q3 2016
Shares 405,990 Value ($000) $6,861 Avg Close — Range —
Q2 2016
Shares 404,956 Value ($000) $5,204 Avg Close — Range —
Q1 2016
Shares 410,885 Value ($000) $5,114 Avg Close — Range —
Q4 2015
Shares 326,157 Value ($000) $3,979 Avg Close — Range —
Q3 2015
Shares 298,876 Value ($000) $3,411 Avg Close — Range —
Q2 2015
Shares 261,073 Value ($000) $2,990 Avg Close — Range —
Q1 2015
Shares 280,271 Value ($000) $2,780 Avg Close — Range —
Q4 2014
Shares 281,182 Value ($000) $2,930 Avg Close — Range —
Q3 2014
Shares 281,270 Value ($000) $2,270 Avg Close — Range —
Q2 2014
Shares 270,821 Value ($000) $3,575 Avg Close — Range —
Q1 2014
Shares 307,515 Value ($000) $5,022 Avg Close — Range —
Q4 2013
Shares 310,436 Value ($000) $4,845 Avg Close — Range —
Q3 2013
Shares 297,346 Value ($000) $5,531 Avg Close — Range —
Q2 2013
Shares 168,750 Value ($000) $2,480 Avg Close — Range —