Comparable stake leader
Battery Ventures XIV, L.P.
SEC ownership of ENZO BIOCHEM INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000316253.
Disclosed value leader
James G. Wolf
Comparable rows
2/7
Latest evidence
23 Jun 2025
- Parsed ownership sources
-
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Battery Ventures XIV, L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 7
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Battery Ventures XIV, L.P.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
23 Jun 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000316253
- Issuer location
- Farmingdale, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ENZO BIOCHEM 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
Battery Ventures XIV, L.P.
Disclosed value leader
James G. Wolf
Comparable rows
2/7
Latest evidence
23 Jun 2025
13D/G
3/4/5
Lead comparable stake: 22%
5 rows are not safely comparable across share classes.
13D/G row: Battery Ventures XIV, L.P.
Quick read
Battery Ventures XIV, L.P. leads the comparable SEC ownership view at 22%.
2 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 Battery Ventures XIV, L.P.'s linked filing trail.
Comparable ownership
Top 2
Battery Ventures XIV, L.P.
22%
Harbert Discovery Fund, LP
9.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-7 of 7 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Battery Ventures XIV, L.P. |
13D/G
|
22%
|
$6,482,461
11,575,824 shares
|
$0 | 23 Jun 2025 |
| Harbert Discovery Fund, LP |
13D/G
Harbert Fund Advisors, Inc.
|
9.9%
|
$2,898,511
5,175,913 shares
|
$0 | 23 Jun 2025 |
| James G. Wolf |
3/4/5
10% owner until 2/13/2023
|
—
mixed-class rows
|
$6,493,736
4,217,646 shares
mixed-class rows
|
— | 10 Feb 2023 |
| Hamid Erfanian |
3/4/5
Chief Executive Officer, Director
|
—
mixed-class rows
|
$576,884
674,600 shares
mixed-class rows
|
— | 23 Nov 2022 |
| Mary Tagliaferri |
3/4/5
Director
|
—
class O/S missing
|
$481,070
312,383 shares
|
— | 31 Jan 2024 |
| Ian B. Walters |
3/4/5
Director
|
—
class O/S missing
|
$240,112
155,917 shares
|
— | 09 Feb 2023 |
| David Bench |
3/4/5
Chief Financial Officer
|
—
mixed-class rows
|
$15,613
65,538 shares
mixed-class rows
|
— | 14 Jun 2022 |
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 19 Aug 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 ENZO BIOCHEM INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
James G. Wolf
Net 12M change
$0
Latest report
20 Aug 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James G. Wolf | 10% owner until 2/13/2023 | $6,493,736 | Mixed | 10 Feb 2023 | ||
| Hamid Erfanian | Chief Executive Officer, Director | $576,884 | Mixed | 23 Nov 2022 | ||
| Mary Tagliaferri | Director | $481,070 | Mixed | 31 Jan 2024 | ||
| Ian B. Walters | Director | $240,112 | Mixed | 09 Feb 2023 | ||
| David Bench | Chief Financial Officer | $15,613 | Mixed | 14 Jun 2022 | ||
| Jonathan Couchman | Director | $0 | Mixed | 20 Aug 2025 | ||
| Steven J. Pully | Director | $0 | Mixed | 20 Aug 2025 | ||
| Kara Cannon | Chief Executive Officer, Director | $0 | Mixed | 20 Aug 2025 | ||
| Patricia Eckert | Chief Financial Officer | $0 | Mixed | 20 Aug 2025 | ||
| Bradley L. Radoff | Director | $0 | Mixed | 20 Aug 2025 |
Recent insider transactions for ENZO BIOCHEM 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Bradley Louis Radoff | ENZB | Common Stock | Disposed to Issuer | -100% | -430,000 | 0 | 20 Aug 2025 | By The Radoff Family Foundation | ||
| Bradley Louis Radoff | ENZB | Common Stock | Disposed to Issuer | -100% | -4,533,779 | 0 | 20 Aug 2025 | Direct | ||
| Steven J. Pully | ENZB | Common Stock | Disposed to Issuer | -100% | -239,992 | 0 | 20 Aug 2025 | Direct | ||
| Patricia Eckert | ENZB | Common Stock | Disposed to Issuer | -100% | -28,328 | 0 | 20 Aug 2025 | 401k | ||
| Patricia Eckert | ENZB | Stock Option (to acquire shares of Common Stock) | Disposed to Issuer | -100% | -275,000 | 0 | 20 Aug 2025 | Direct | ||
| Jonathan Couchman | ENZB | Common Stock | Disposed to Issuer | -100% | -277,237 | 0 | 20 Aug 2025 | In retirement accounts | ||
| Jonathan Couchman | ENZB | Common Stock | Disposed to Issuer | -100% | -15,000 | 0 | 20 Aug 2025 | By Couchman Family Fund | ||
| Jonathan Couchman | ENZB | Common Stock | Disposed to Issuer | -100% | -40,000 | 0 | 20 Aug 2025 | By Myrexis, Inc. | ||
| Jonathan Couchman | ENZB | Common Stock | Disposed to Issuer | -100% | -130,000 | 0 | 20 Aug 2025 | By Xstelos Holdings, Inc. | ||
| Jonathan Couchman | ENZB | Common Stock | Disposed to Issuer | -100% | -142,897 | 0 | 20 Aug 2025 | Direct | ||
| Kara Cannon | ENZB | Common Stock | Disposed to Issuer | -100% | -45,065 | 0 | 20 Aug 2025 | 401k | ||
| Kara Cannon | ENZB | Common Stock | Disposed to Issuer | -100% | -359,737 | 0 | 20 Aug 2025 | Direct | ||
| Kara Cannon | ENZB | Stock Option (to acquire shares of Common Stock) | Disposed to Issuer | -100% | -630,400 | 0 | 20 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.