Comparable stake leader
Ernest Loumaye
SEC ownership of ObsEva SA
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001685316.
Disclosed value leader
—
Comparable rows
0/3
Latest evidence
06 Apr 2023
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Ernest Loumaye
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
06 Apr 2023
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001685316
- Issuer location
- Plan Les Ouates, Switzerland
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 ObsEva SA (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
Ernest Loumaye
Disclosed value leader
—
Comparable rows
0/3
Latest evidence
06 Apr 2023
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
3 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 3 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 Ernest Loumaye's linked filing trail.
Detailed SEC evidence table Showing 1-3 of 3 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ernest Loumaye |
3/4/5
Director
|
—
class O/S missing
|
—
10,000,000 shares
|
— | 06 Apr 2023 |
| William Michael Brown |
3/4/5
Interim CEO and CFO
|
—
class O/S missing
|
—
250,000 shares
|
— | 23 Feb 2023 |
| Annette Clancy |
3/4/5
Director
|
—
class O/S missing
|
—
97,500 shares
|
— | 01 Jan 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 1-8 of 8 reporting-owner rows connected to ObsEva SA. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
Mathers Edward T.
Net 12M change
$0
Latest report
06 Apr 2023
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Mathers Edward T. | Director | Mixed | 01 Jan 2023 | |||
| William Michael Brown | Interim CEO and CFO | Mixed | 23 Feb 2023 | |||
| Annette Clancy | Director | Mixed | 01 Jan 2023 | |||
| Anne Vanlent | Director | Mixed | 01 Jan 2023 | |||
| Brian O'Callaghan | Chief Executive Officer, Director | Mixed | 01 Jan 2023 | |||
| Ernest Loumaye | Director | Mixed | 06 Apr 2023 | |||
| Stephanie Clare Brown | Director | Mixed | 01 Jan 2023 | |||
| Catarina Edfjall | Director | Mixed | 01 Jan 2023 |
Recent insider transactions for ObsEva SA
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.