Comparable stake leader
Nir Yacov Barzilai
SEC ownership of CohBar, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001522602.
Disclosed value leader
Nir Yacov Barzilai
Comparable rows
0/10
Latest evidence
01 Aug 2022
- Parsed ownership sources
- 3/4/5
- Largest SEC-reported holder
- Nir Yacov Barzilai
- Latest parsed ownership date
- 01 Aug 2022
- Issuer CIK
- 0001522602
- Issuer location
- Menlo Park, 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 CohBar, 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
Nir Yacov Barzilai
Disclosed value leader
Nir Yacov Barzilai
Comparable rows
0/10
Latest evidence
01 Aug 2022
3/4/5
Highest disclosed value: $3,705,046
10 rows are not safely comparable across share classes.
Showing 1-8 of 10 holder rows.
Quick read
Nir Yacov Barzilai has the largest disclosed position value at $3.71M.
0 of 10 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 Nir Yacov Barzilai's linked filing trail.
Disclosed position value
Top 5
Nir Yacov Barzilai
$3.71M
Misha Petkevich
$297.6K
Joseph J. Sarret
$110.2K
Jeffrey F. Biunno
$41.9K
David Greenwood
$29.2K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 10 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Nir Yacov Barzilai |
3/4/5
Director
|
—
mixed-class rows
|
$3,705,046
5,089,294 shares
mixed-class rows
|
— | 01 Nov 2021 |
| Misha Petkevich |
3/4/5
Director
|
—
class O/S missing
|
$297,555
407,609 shares
|
— | 28 Oct 2021 |
| Joseph J. Sarret |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
$110,242
151,017 shares
|
— | 01 Aug 2022 |
| Jeffrey F. Biunno |
3/4/5
CFO, Treasurer and Secretary
|
—
class O/S missing
|
$41,869
57,355 shares
|
— | 01 Aug 2022 |
| David Greenwood |
3/4/5
Director
|
—
mixed-class rows
|
$29,200
75,000 shares
mixed-class rows
|
— | 01 Nov 2021 |
| Kenneth C. Cundy |
3/4/5
Chief Scientific Officer
|
—
mixed-class rows
|
$7,300
760,000 shares
mixed-class rows
|
— | 11 Aug 2021 |
| Carol Nast |
3/4/5
Director
|
—
class O/S missing
|
—
200,000 shares
|
— | 16 Aug 2021 |
| Joanne Yun |
3/4/5
Director
|
—
class O/S missing
|
—
200,000 shares
|
— | 14 Sep 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 08 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 1-10 of 10 reporting-owner rows connected to CohBar, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Nir Yacov Barzilai
Net 12M change
$0
Latest report
01 Aug 2022
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Nir Yacov Barzilai | Director | $3,705,046 | Mixed | 01 Nov 2021 | ||
| Misha Petkevich | Director | $297,555 | Mixed | 28 Oct 2021 | ||
| Joseph J. Sarret | Chief Executive Officer, Director | $110,242 | Mixed | 01 Aug 2022 | ||
| Jeffrey F. Biunno | CFO, Treasurer and Secretary | $41,869 | Mixed | 01 Aug 2022 | ||
| David Greenwood | Director | $29,200 | Mixed | 01 Nov 2021 | ||
| Kenneth C. Cundy | Chief Scientific Officer | $7,300 | Filing P/S | 11 Aug 2021 | ||
| Joanne Yun | Director | Mixed | 14 Sep 2021 | |||
| Carol Nast | Director | Mixed | 16 Aug 2021 | |||
| Stephanie Tozzo | Director | Mixed | 11 Jul 2022 | |||
| John Amatruda | Director | Mixed | 16 Jun 2021 |
Recent insider transactions for CohBar, 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.