Comparable stake leader
RTW INVESTMENTS, LP
SEC ownership of DermTech, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001651944.
Disclosed value leader
RTW INVESTMENTS, LP
Comparable rows
0/17
Latest evidence
10 Jun 2024
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
RTW INVESTMENTS, LP
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
10 Jun 2024
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001651944
- Issuer location
- San Diego, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of DermTech, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
RTW INVESTMENTS, LP
Disclosed value leader
RTW INVESTMENTS, LP
Comparable rows
0/17
Latest evidence
10 Jun 2024
3/4/5
Highest disclosed value: $4,527,999
17 rows are not safely comparable across share classes.
Showing 1-8 of 17 holder rows.
Quick read
RTW INVESTMENTS, LP has the largest disclosed position value at $4.53M.
0 of 17 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens RTW INVESTMENTS, LP's linked filing trail.
Disclosed position value
Top 5
RTW INVESTMENTS, LP
$4.53M
John Dobak
$1.05M
Enrico Picozza
$784.7K
Todd Michael Wood
$427.1K
Claudia Ibarra
$290.3K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 17 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$4,527,999
3,018,666 shares
|
— | 26 Jan 2021 |
| John Dobak |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
$1,048,040
698,693 shares
|
— | 09 Mar 2023 |
| Enrico Picozza |
3/4/5
Director
|
—
class O/S missing
|
$784,737
523,158 shares
|
— | 26 May 2021 |
| Todd Michael Wood |
3/4/5
Chief Commercial Officer
|
—
class O/S missing
|
$427,136
284,757 shares
|
— | 12 Jun 2023 |
| Claudia Ibarra |
3/4/5
Chief Operating Officer
|
—
class O/S missing
|
$290,321
193,547 shares
|
— | 07 Dec 2023 |
| Matthew L. Posard |
3/4/5
Director
|
—
class O/S missing
|
$237,323
158,215 shares
|
— | 01 Jun 2023 |
| Herm Rosenman |
3/4/5
Director
|
—
class O/S missing
|
$201,864
134,576 shares
|
— | 01 Jun 2023 |
| Cynthia Collins |
3/4/5
Director
|
—
class O/S missing
|
$157,253
104,835 shares
|
— | 01 Jun 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 22 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to DermTech, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
RTW INVESTMENTS, LP
Net 12M change
$0
Latest report
10 Jun 2024
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 10%+ Owner | $4,527,999 | Mixed | 26 Jan 2021 | ||
| John Dobak | Chief Executive Officer, Director | $1,048,040 | Mixed | 09 Mar 2023 | ||
| Enrico Picozza | Director | $784,737 | Mixed | 26 May 2021 | ||
| Todd Michael Wood | Chief Commercial Officer | $427,136 | Mixed | 12 Jun 2023 | ||
| Claudia Ibarra | Chief Operating Officer | $290,321 | Mixed | 07 Dec 2023 | ||
| Matthew L. Posard | Director | $237,323 | Mixed | 01 Jun 2023 | ||
| Herm Rosenman | Director | $201,864 | Mixed | 01 Jun 2023 | ||
| Cynthia Collins | Director | $157,253 | Mixed | 01 Jun 2023 | ||
| Mark Bryan Aguillard | Chief Commercial Officer | $135,000 | Mixed | 20 Sep 2023 | ||
| Kirk Malloy | Director | $129,689 | Mixed | 01 Jun 2023 | ||
| Mark Christopher Capone | Director | $123,081 | Mixed | 01 Jun 2023 | ||
| Nathalie Gerschtein Keraudy | Director | $104,534 | Mixed | 01 Jun 2023 | ||
| Kevin M. Sun | Chief Financial Officer | $91,533 | Mixed | 10 Jun 2024 | ||
| Scott R. Pancoast | Director | $76,044 | Mixed | 30 Jun 2021 | ||
| Monica Tellado | Director | $52,649 | Mixed | 26 May 2022 | ||
| Ramin Akhavan | General Counsel | $39,812 | Mixed | 05 Jun 2024 | ||
| Bret Christensen | Chief Executive Officer, Director | Mixed | 08 May 2023 |
Recent insider transactions for DermTech, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.