PSYCHEMEDICS CORP

CUSIP: 744375205 Class: COM NEW

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

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

Q3 2024
Shares 18,910 Value ($000) $44 Avg Close — Range —
Q2 2024
Shares 15,236 Value ($000) $37 Avg Close — Range —
Q1 2024
Shares 15,310 Value ($000) $45 Avg Close — Range —
Q4 2023
Shares 15,310 Value ($000) $45 Avg Close — Range —
Q3 2023
Shares 16,864 Value ($000) $67 Avg Close — Range —
Q2 2023
Shares 18,617 Value ($000) $85 Avg Close — Range —
Q1 2023
Shares 18,127 Value ($000) $95 Avg Close — Range —
Q4 2022
Shares 17,030 Value ($000) $84 Avg Close — Range —
Q3 2022
Shares 17,236 Value ($000) $111 Avg Close — Range —
Q2 2022
Shares 17,346 Value ($000) $110 Avg Close — Range —
Q1 2022
Shares 18,756 Value ($000) $129 Avg Close — Range —
Q4 2021
Shares 19,125 Value ($000) $134 Avg Close — Range —
Q3 2021
Shares 19,688 Value ($000) $165 Avg Close — Range —
Q2 2021
Shares 19,647 Value ($000) $137 Avg Close — Range —
Q1 2021
Shares 19,616 Value ($000) $122 Avg Close — Range —
Q4 2020
Shares 23,757 Value ($000) $121 Avg Close — Range —
Q3 2020
Shares 27,414 Value ($000) $121 Avg Close — Range —
Q2 2020
Shares 27,326 Value ($000) $151 Avg Close — Range —
Q1 2020
Shares 27,186 Value ($000) $164 Avg Close — Range —
Q4 2019
Shares 26,768 Value ($000) $245 Avg Close — Range —
Q3 2019
Shares 27,304 Value ($000) $248 Avg Close — Range —
Q2 2019
Shares 28,822 Value ($000) $290 Avg Close — Range —
Q1 2019
Shares 36,373 Value ($000) $510 Avg Close — Range —
Q4 2018
Shares 43,614 Value ($000) $692 Avg Close — Range —
Q3 2018
Shares 44,829 Value ($000) $843 Avg Close — Range —
Q2 2018
Shares 39,046 Value ($000) $751 Avg Close — Range —
Q1 2018
Shares 39,246 Value ($000) $838 Avg Close — Range —
Q4 2017
Shares 39,621 Value ($000) $815 Avg Close — Range —
Q3 2017
Shares 36,927 Value ($000) $681 Avg Close — Range —
Q2 2017
Shares 38,227 Value ($000) $953 Avg Close — Range —
Q1 2017
Shares 19,449 Value ($000) $389 Avg Close — Range —
Q4 2016
Shares 17,084 Value ($000) $421 Avg Close — Range —
Q3 2016
Shares 16,739 Value ($000) $331 Avg Close — Range —
Q2 2016
Shares 15,415 Value ($000) $212 Avg Close — Range —
Q1 2016
Shares 15,415 Value ($000) $212 Avg Close — Range —
Q4 2015
Shares 14,209 Value ($000) $144 Avg Close — Range —
Q3 2015
Shares 13,509 Value ($000) $135 Avg Close — Range —
Q2 2015
Shares 12,662 Value ($000) $188 Avg Close — Range —
Q1 2015
Shares 14,894 Value ($000) $247 Avg Close — Range —
Q4 2014
Shares 16,066 Value ($000) $244 Avg Close — Range —
Q3 2014
Shares 16,120 Value ($000) $228 Avg Close — Range —
Q2 2014
Shares 16,513 Value ($000) $234 Avg Close — Range —
Q1 2014
Shares 16,548 Value ($000) $284 Avg Close — Range —
Q4 2013
Shares 12,538 Value ($000) $184 Avg Close — Range —
Q3 2013
Shares 12,638 Value ($000) $167 Avg Close — Range —
Q2 2013
Shares 13,976 Value ($000) $150 Avg Close — Range —