Comparable stake leader
EcoR1 Capital, LLC
SEC ownership of HOOKIPA Pharma Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001760542.
Disclosed value leader
GILEAD SCIENCES, INC.
Comparable rows
4/22
Latest evidence
19 Aug 2025
- Public ticker
- HOOK on OTC
- Parsed ownership sources
- 13D/G and 3/4/5
- Largest SEC-reported holder
- EcoR1 Capital, LLC
- Latest 13D/G holder
- EcoR1 Capital, LLC
- Latest parsed ownership date
- 19 Aug 2025
- Issuer CIK
- 0001760542
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of HOOKIPA Pharma 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
EcoR1 Capital, LLC
Disclosed value leader
GILEAD SCIENCES, INC.
Comparable rows
4/22
Latest evidence
19 Aug 2025
13D/G
3/4/5
Lead comparable stake: 4%
18 rows are not safely comparable across share classes.
13D/G row: EcoR1 Capital, LLC
Showing 1-8 of 22 holder rows.
Quick read
EcoR1 Capital, LLC leads the comparable SEC ownership view at 4%.
4 of 22 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 EcoR1 Capital, LLC's linked filing trail.
Comparable ownership
Top 4
EcoR1 Capital, LLC
4%
SOFINNOVA CAPITAL VI FCPR
2.6%
Mary Theresa Coelho
0.47%
Malte Peters
0.45%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 22 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC |
13D/G
|
4%
|
$326,643
388,861 shares
|
$0 | 31 Dec 2024 |
| SOFINNOVA CAPITAL VI FCPR |
13D/G
|
2.6%
|
$263,978
314,259 shares
|
$0 | 14 Feb 2025 |
| Mary Theresa Coelho |
3/4/5
EVP and CFO, Director
|
0.47%
|
$51,764
56,266 shares
|
-$12,520 | 22 Jul 2025 |
| Malte Peters |
3/4/5
Chief Executive Officer, Director
|
0.45%
|
$44,656
54,347 shares
|
-$47,526 | 19 Aug 2025 |
| GILEAD SCIENCES, INC. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$13,600,612
18,759,465 shares
|
— | 20 Dec 2023 |
| Jorn Aldag |
3/4/5
Chief Executive Officer, Director
|
—
mixed-class rows
|
$52,165
1,043,352 shares
mixed-class rows
|
— | 15 Apr 2024 |
| Reinhard Kandera |
3/4/5
Chief Financial Officer, Director
|
—
mixed-class rows
|
$31,242
449,292 shares
mixed-class rows
|
— | 15 Apr 2024 |
| Katia Schlienger |
3/4/5
Chief Medical Officer
|
—
mixed-class rows
|
$943
185,300 shares
mixed-class rows
|
— | 14 Apr 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
Net insider flow leans to selling over the last 12 months. Net value: -$60,046.
Buys
$0
Insiders: 0
Sells
$60,046
Insiders: 2
Net
-$60,046
Shares: -67,957
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 67,957
| 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 | 67,957 | $0 | $60,046 | -$60,046 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 20 reporting-owner rows connected to HOOKIPA Pharma Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
20
Largest Forms 3/4/5 holder
GILEAD SCIENCES, INC.
Net 12M change
-$60,046
Latest report
19 Aug 2025
Recent insider transactions for HOOKIPA Pharma 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Malte Peters | HOOK | Common Stock | Sale | -31.7% | $20,684 | $0.8217 | -25,172 | 54,347 | 19 Aug 2025 | Direct |
| Malte Peters | HOOK | Common Stock | Sale | -26.8% | $26,842 | $0.9200 | -29,176 | 79,519 | 22 Jul 2025 | Direct |
| Mary Theresa Coelho | HOOK | Common Stock | Sale | -19.5% | $12,520 | $0.9200 | -13,609 | 56,266 | 22 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.