Comparable stake leader
Louis Brenner MD
SEC ownership of Allena Pharmaceuticals, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001624658.
Disclosed value leader
—
Comparable rows
0/7
Latest evidence
01 Feb 2022
- Parsed ownership sources
-
3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Louis Brenner MD
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
01 Feb 2022
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001624658
- Issuer location
- Sudbury, MA
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 Allena Pharmaceuticals, 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
Louis Brenner MD
Disclosed value leader
—
Comparable rows
0/7
Latest evidence
01 Feb 2022
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
7 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 7 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 Louis Brenner MD's linked filing trail.
Detailed SEC evidence table Showing 1-7 of 7 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Louis Brenner MD |
3/4/5
President and CEO, Director
|
—
class O/S missing
|
—
655,000 shares
|
— | 01 Feb 2022 |
| Richard D. Katz |
3/4/5
Chief Financial Officer
|
—
class O/S missing
|
—
255,000 shares
|
— | 01 Feb 2022 |
| Alexey L. Margolin |
3/4/5
Director
|
—
class O/S missing
|
—
37,000 shares
|
— | 03 Jun 2021 |
| Allene M. Diaz |
3/4/5
Director
|
—
class O/S missing
|
—
37,000 shares
|
— | 03 Jun 2021 |
| Ann C. Miller |
3/4/5
Director
|
—
class O/S missing
|
—
37,000 shares
|
— | 03 Jun 2021 |
| Gino Santini |
3/4/5
Director
|
—
class O/S missing
|
—
37,000 shares
|
— | 03 Jun 2021 |
| Robert Alexander |
3/4/5
Director
|
—
class O/S missing
|
—
37,000 shares
|
— | 03 Jun 2021 |
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 13 Sep 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 1-7 of 7 reporting-owner rows connected to Allena Pharmaceuticals, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Gino Santini
Net 12M change
$0
Latest report
01 Feb 2022
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gino Santini | Director | Mixed | 03 Jun 2021 | |||
| Richard D. Katz | Chief Financial Officer | Mixed | 01 Feb 2022 | |||
| Louis Brenner MD | President and CEO, Director | Mixed | 01 Feb 2022 | |||
| Ann C. Miller | Director | Mixed | 03 Jun 2021 | |||
| Allene M. Diaz | Director | Mixed | 03 Jun 2021 | |||
| Robert Alexander | Director | Mixed | 03 Jun 2021 | |||
| Alexey L. Margolin | Director | Mixed | 03 Jun 2021 |
Recent insider transactions for Allena Pharmaceuticals, 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.