PROOFPOINT INC

CUSIP: 743424103 Class: COM

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

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

Q2 2021
Shares 94,617 Value ($000) $16,441 Avg Close — Range —
Q1 2021
Shares 1,384,062 Value ($000) $174,101 Avg Close — Range —
Q4 2020
Shares 1,110,599 Value ($000) $151,497 Avg Close — Range —
Q3 2020
Shares 909,463 Value ($000) $95,994 Avg Close — Range —
Q2 2020
Shares 846,166 Value ($000) $94,026 Avg Close — Range —
Q1 2020
Shares 662,624 Value ($000) $67,979 Avg Close — Range —
Q4 2019
Shares 634,987 Value ($000) $72,884 Avg Close — Range —
Q3 2019
Shares 512,225 Value ($000) $66,103 Avg Close — Range —
Q2 2019
Shares 286,695 Value ($000) $34,475 Avg Close — Range —
Q1 2019
Shares 206,818 Value ($000) $25,114 Avg Close — Range —
Q4 2018
Shares 27,564 Value ($000) $2,310 Avg Close — Range —
Q3 2018
Shares 639,179 Value ($000) $67,964 Avg Close — Range —
Q2 2018
Shares 386,324 Value ($000) $44,547 Avg Close — Range —
Q1 2018
Shares 533,206 Value ($000) $60,599 Avg Close — Range —
Q4 2017
Shares 672,156 Value ($000) $59,694 Avg Close — Range —
Q3 2017
Shares 592,561 Value ($000) $51,683 Avg Close — Range —
Q2 2017
Shares 527,358 Value ($000) $45,790 Avg Close — Range —
Q1 2017
Shares 645,914 Value ($000) $48,030 Avg Close — Range —
Q4 2016
Shares 575,194 Value ($000) $40,637 Avg Close — Range —
Q3 2016
Shares 559,080 Value ($000) $41,847 Avg Close — Range —
Q2 2016
Shares 684,709 Value ($000) $43,198 Avg Close — Range —
Q1 2016
Shares 649,403 Value ($000) $34,925 Avg Close — Range —
Q4 2015
Shares 745,983 Value ($000) $48,496 Avg Close — Range —
Q3 2015
Shares 925,991 Value ($000) $55,856 Avg Close — Range —
Q2 2015
Shares 1,194,746 Value ($000) $76,069 Avg Close — Range —
Q1 2015
Shares 1,293,869 Value ($000) $76,623 Avg Close — Range —
Q4 2014
Shares 56,600 Value ($000) $2,730 Avg Close — Range —
Q3 2014
Shares 55,500 Value ($000) $2,061 Avg Close — Range —
Q2 2014
Shares 58,600 Value ($000) $2,195 Avg Close — Range —
Q1 2014
Shares 40,303 Value ($000) $1,494 Avg Close — Range —
Q4 2013
Shares 37,203 Value ($000) $1,234 Avg Close — Range —
Q3 2013
Shares 36,503 Value ($000) $1,172 Avg Close — Range —
Q2 2013
Shares 36,047 Value ($000) $873 Avg Close — Range —