Comparable stake leader
BlackRock, Inc.
SEC ownership of AZZ INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000008947.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 May 2026
- Public ticker
- AZZ on NYSE
- Parsed ownership sources
- 13F, 13D/G, and 3/4/5
- Largest SEC-reported holder
- BlackRock, Inc.
- Latest 13D/G holder
- BlackRock, Inc.
- Latest parsed ownership date
- 31 May 2026
- Issuer CIK
- 0000008947
- Issuer location
- Fort Worth, TX
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 AZZ 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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 May 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
50 of 50 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
14%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.1%
FMR LLC
6%
T. Rowe Price Investment Manageme...
5.9%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$553,787,037
4,425,694 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.1%
|
$228,893,051
1,829,242 shares
|
$0 | 31 Mar 2026 |
| FMR LLC |
13F
13D/G
Company
|
6%
from 13D/G
|
$200,627,171
1,603,350 shares
|
— | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
5.9%
from 13D/G
|
$194,946,000
1,557,944 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$196,176,186
1,567,779 shares
|
$0 | 31 Mar 2026 |
| Capital International Investors |
13F
13D/G
Company
|
4.8%
from 13D/G
|
$180,168,431
1,439,850 shares
|
— | 31 Mar 2026 |
| Daniel R. Feehan |
3/4/5
Director
|
0.27%
|
$7,558,875
80,003 shares
|
— | 08 Jul 2025 |
| BERCE DANIEL E |
3/4/5
Director
|
0.19%
|
$6,187,752
58,353 shares
|
— | 31 Jul 2025 |
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: -$9,434,325.
Buys
$0
Insiders: 0
Sells
$9,434,325
Insiders: 4
Net
-$9,434,325
Shares: -80,118
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 80,118
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 33,281 | $0 | $4,238,948 | -$4,238,948 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 46,837 | $0 | $5,195,377 | -$5,195,377 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to AZZ INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
Thomas E. Ferguson
Net 12M change
-$9,434,325
Latest report
03 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas E. Ferguson | President and CEO, Director | $25,785,936 | -$6,121,555 | -19% | Mixed | 25 Apr 2026 |
| Daniel R. Feehan | Director | $7,558,875 | Mixed | 08 Jul 2025 | ||
| BERCE DANIEL E | Director | $6,187,752 | Mixed | 31 Jul 2025 | ||
| Bryan L. Stovall | COO - Metal Coatings | $6,095,102 | -$1,097,887 | -15% | Mixed | 31 May 2026 |
| Tara D. Mackey | Chief Legal Officer | $4,014,863 | -$1,056,808 | -21% | Mixed | 25 Apr 2026 |
| Jason Crawford | Chief Financial Officer | $2,756,818 | Mixed | 03 Jun 2026 | ||
| Matthew V Emery | Chief Information & HR Officer | $2,406,352 | Mixed | 09 May 2024 | ||
| Steven R. Purvis | Director | $2,166,009 | Mixed | 08 Jul 2025 | ||
| Kurt L. Russell | Chief Strategy Officer | $1,999,686 | -$1,158,075 | -37% | Mixed | 12 Aug 2025 |
| Philip A. Schlom | SVP, Chief Financial Officer | $1,867,892 | Mixed | 09 May 2024 | ||
| Ed McGough | Director | $1,830,029 | Mixed | 08 Jul 2025 | ||
| Clive A. Grannum | Director | $964,476 | Mixed | 08 Jul 2025 | ||
| Carol R. Jackson | Director | $964,476 | Mixed | 08 Jul 2025 | ||
| Ken Lavelle | President & GM - Electrical | $899,895 | Mixed | 17 Oct 2022 | ||
| Venita McCellon-Allen | Director | $852,538 | Mixed | 11 Jul 2023 | ||
| Chris M. Bacius | VP, Corporate Development | $837,836 | Mixed | 01 Jul 2022 | ||
| Jeffrey Vellines | Pres & COO - Precoat Metals | $836,171 | Mixed | 25 Apr 2026 | ||
| Gary L. Hill | COO - Infrastructure Solutions | $835,657 | Mixed | 01 Jul 2022 | ||
| Todd Michael Bella | President-Metal Coatings | $805,837 | Median | 25 Apr 2026 | ||
| Wallace P. Eisman | Director | $778,658 | Mixed | 11 Jul 2023 |
Recent insider transactions for AZZ 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Jason Crawford | AZZ | COMMON STOCK | Tax liability | -3.49% | -717 | 19,825 | 03 Jun 2026 | Direct | ||
| Jason Crawford | AZZ | COMMON STOCK | Options Exercise | 9.75% | 1,825 | 20,542 | 03 Jun 2026 | Direct | ||
| Jason Crawford | AZZ | Restricted Stock Units | Options Exercise | -100% | -1,803 | 0 | 03 Jun 2026 | Direct | ||
| Bryan L. Stovall | AZZ | COMMON STOCK | Tax liability | -8.7% | -3,592 | 37,677 | 31 May 2026 | Direct | ||
| Bryan L. Stovall | AZZ | COMMON STOCK | Options Exercise | 28.4% | 9,129 | 41,269 | 31 May 2026 | Direct | ||
| Bryan L. Stovall | AZZ | Restricted Stock Units | Options Exercise | -100% | -9,017 | 0 | 31 May 2026 | Direct | ||
| Todd Michael Bella | AZZ | COMMON STOCK | Tax liability | -25.6% | -1,374 | 4,003 | 28 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | COMMON STOCK | Options Exercise | 127% | 4,254 | 7,604 | 28 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | Performance Share Units | Options Exercise | -100% | -3,512 | 0 | 28 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | Restricted Stock Units | Options Exercise | -100% | -637 | 0 | 28 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | COMMON STOCK | Tax liability | -16.4% | -2,929 | 14,893 | 28 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | COMMON STOCK | Options Exercise | 54.2% | 7,446 | 21,197 | 28 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | Performance Share Units | Options Exercise | -100% | -6,147 | 0 | 28 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | Restricted Stock Units | Options Exercise | -100% | -1,114 | 0 | 28 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | COMMON STOCK | Tax liability | -47.4% | -2,790 | 3,100 | 28 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | COMMON STOCK | Options Exercise | 292.1% | 6,254 | 8,395 | 28 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | Performance Share Units | Options Exercise | -100% | -5,164 | 0 | 28 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | Restricted Stock Units | Options Exercise | -100% | -936 | 0 | 28 Apr 2026 | Direct | ||
| Tara D. Mackey | AZZ | COMMON STOCK | Tax liability | -14.6% | -4,261 | 24,826 | 28 Apr 2026 | Direct | ||
| Tara D. Mackey | AZZ | COMMON STOCK | Options Exercise | 51.1% | 11,756 | 34,779 | 28 Apr 2026 | Direct | ||
| Tara D. Mackey | AZZ | Performance Share Units | Options Exercise | -100% | -9,706 | 0 | 28 Apr 2026 | Direct | ||
| Tara D. Mackey | AZZ | Restricted Stock Units | Options Exercise | -100% | -1,759 | 0 | 28 Apr 2026 | Direct | ||
| Thomas E. Ferguson | AZZ | COMMON STOCK | Tax liability | -12.2% | -23,618 | 170,699 | 28 Apr 2026 | Direct | ||
| Thomas E. Ferguson | AZZ | COMMON STOCK | Options Exercise | 37.2% | 60,026 | 221,518 | 28 Apr 2026 | Direct | ||
| Thomas E. Ferguson | AZZ | Performance Share Units | Options Exercise | -100% | -49,554 | 0 | 28 Apr 2026 | Direct | ||
| Thomas E. Ferguson | AZZ | Restricted Stock Units | Options Exercise | -100% | -8,978 | 0 | 28 Apr 2026 | Direct | ||
| Bryan L. Stovall | AZZ | COMMON STOCK | Tax liability | -15.5% | -4,669 | 25,371 | 28 Apr 2026 | Direct | ||
| Bryan L. Stovall | AZZ | COMMON STOCK | Options Exercise | 54.5% | 12,763 | 36,177 | 28 Apr 2026 | Direct | ||
| Bryan L. Stovall | AZZ | Performance Share Units | Options Exercise | -100% | -10,537 | 0 | 28 Apr 2026 | Direct | ||
| Bryan L. Stovall | AZZ | Restricted Stock Units | Options Exercise | -100% | -1,909 | 0 | 28 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | Performance Share Units | Award | 1,009 | 1,009 | 27 Apr 2026 | Direct | |||
| Todd Michael Bella | AZZ | Restricted Stock Units | Award | 1,010 | 1,010 | 27 Apr 2026 | Direct | |||
| Jason Crawford | AZZ | Performance Share Units | Award | 2,430 | 2,430 | 27 Apr 2026 | Direct | |||
| Jason Crawford | AZZ | Restricted Stock Units | Award | 2,430 | 2,430 | 27 Apr 2026 | Direct | |||
| Jeffrey Vellines | AZZ | Performance Share Units | Award | 1,818 | 1,818 | 27 Apr 2026 | Direct | |||
| Jeffrey Vellines | AZZ | Restricted Stock Units | Award | 1,818 | 1,818 | 27 Apr 2026 | Direct | |||
| Tara D. Mackey | AZZ | Performance Share Units | Award | 1,891 | 1,891 | 27 Apr 2026 | Direct | |||
| Tara D. Mackey | AZZ | Restricted Stock Units | Award | 1,892 | 1,892 | 27 Apr 2026 | Direct | |||
| Thomas E. Ferguson | AZZ | Performance Share Units | Award | 12,028 | 12,028 | 27 Apr 2026 | Direct | |||
| Thomas E. Ferguson | AZZ | Restricted Stock Units | Award | 12,029 | 12,029 | 27 Apr 2026 | Direct | |||
| Todd Michael Bella | AZZ | COMMON STOCK | Tax liability | -3.26% | -120 | 3,560 | 25 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | COMMON STOCK | Options Exercise | 9.79% | 328 | 3,680 | 25 Apr 2026 | Direct | ||
| Todd Michael Bella | AZZ | Restricted Stock Units | Options Exercise | -50% | -324 | 324 | 25 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | COMMON STOCK | Tax liability | -2.65% | -386 | 14,200 | 25 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | COMMON STOCK | Options Exercise | 7.23% | 983 | 14,586 | 25 Apr 2026 | Direct | ||
| Jason Crawford | AZZ | Restricted Stock Units | Options Exercise | -50% | -971 | 971 | 25 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | COMMON STOCK | Tax liability | -11.4% | -331 | 2,568 | 25 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | COMMON STOCK | Options Exercise | 34.5% | 743 | 2,899 | 25 Apr 2026 | Direct | ||
| Jeffrey Vellines | AZZ | Restricted Stock Units | Options Exercise | -50% | -734 | 734 | 25 Apr 2026 | Direct | ||
| Tara D. Mackey | AZZ | COMMON STOCK | Tax liability | -1.27% | -304 | 23,605 | 25 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.