DERMTECH INC

Ticker: DMTKQ CUSIP: 24984K105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2024
Shares 31,984 Value ($000) $22 Avg Close — Range —
Q4 2023
Shares 44,038 Value ($000) $77 Avg Close — Range —
Q3 2023
Shares 58,714 Value ($000) $85 Avg Close — Range —
Q2 2023
Shares 36,156 Value ($000) $94 Avg Close — Range —
Q1 2023
Shares 78,974 Value ($000) $291 Avg Close — Range —
Q4 2022
Shares 13,931 Value ($000) $25 Avg Close — Range —
Q3 2022
Shares 43,429 Value ($000) $172 Avg Close — Range —
Q2 2022
Shares 34,629 Value ($000) $192 Avg Close — Range —
Q1 2022
Shares 27,800 Value ($000) $408 Avg Close — Range —
Q4 2021
Shares 12,497 Value ($000) $197 Avg Close — Range —
Q2 2021
Shares 13,841 Value ($000) $575 Avg Close — Range —
Q1 2021
Shares 40,003 Value ($000) $2,032 Avg Close — Range —