DERMTECH INC

Ticker: DMTKQ CUSIP: 24984K105 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2024
Shares 2,603 Value ($000) $2 Avg Close — Range —
Q4 2023
Shares 5,665 Value ($000) $10 Avg Close — Range —
Q4 2022
Shares 1,704 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 5,347 Value ($000) $21 Avg Close — Range —
Q2 2022
Shares 2,730 Value ($000) $15 Avg Close — Range —
Q1 2022
Shares 3,775 Value ($000) $55 Avg Close — Range —
Q4 2021
Shares 9,089 Value ($000) $143 Avg Close — Range —
Q3 2021
Shares 6,774 Value ($000) $217 Avg Close — Range —
Q2 2021
Shares 5,213 Value ($000) $217 Avg Close — Range —
Q1 2021
Shares 1,717 Value ($000) $87 Avg Close — Range —
Q4 2020
Shares 1,698 Value ($000) $55 Avg Close — Range —
Q3 2020
Shares 7,530 Value ($000) $90 Avg Close — Range —
Q2 2020
Shares 396 Value ($000) $5 Avg Close — Range —
Q1 2020
Shares 89 Value ($000) $1 Avg Close — Range —
Q3 2019
Shares 200 Value ($000) $1 Avg Close — Range —