Comparable stake leader
Bank of New York Mellon Corp
SEC ownership of ASSURANT, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001267238.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
06 Aug 2026
- Public ticker
- AIZ, AIZN on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Bank of New York Mellon Corp
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Bank of New York Mellon Corp
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
06 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001267238
- Issuer location
- Atlanta, GA
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 ASSURANT, 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
Bank of New York Mellon Corp
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
06 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 10%
13D/G row: Bank of New York Mellon Corp
Showing 1-8 of 50 holder rows.
Quick read
Bank of New York Mellon Corp leads the comparable SEC ownership view at 10%.
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 Bank of New York Mellon Corp's linked filing trail.
Comparable ownership
Top 5
Bank of New York Mellon Corp
10%
VANGUARD CAPITAL MANAGEMENT LLC
7.4%
T. Rowe Price Investment Manageme...
7.2%
BlackRock, Inc.
6.3%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.1%
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 |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp |
13F
13D/G
Company
|
10%
from 13D/G
|
$1,269,590,915
4,727,930 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
7.4%
|
$801,832,883
3,681,341 shares
|
$0 | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13D/G
|
7.2%
|
$856,569,417
3,621,858 shares
|
-$179,565,700 | 31 Dec 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.3%
from 13D/G
|
$1,345,211,090
5,009,537 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
6.1%
|
$657,254,526
3,017,559 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
6%
from 13D/G
|
$682,575,601
2,541,897 shares
|
— | 30 Jun 2026 |
| Keith Demmings |
3/4/5
President and CEO, Director
|
0.27%
|
$30,648,682
136,635 shares
|
-$3,968,323 | 16 Mar 2026 |
| Elaine D. Rosen |
3/4/5
Director
|
0.06%
|
$6,030,287
27,686 shares
|
— | 22 May 2026 |
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: -$14,927,258.
Buys
$0
Insiders: 0
Sells
$14,927,258
Insiders: 7
Net
-$14,927,258
Shares: -60,581
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 60,581
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 12,931 | $0 | $3,539,313 | -$3,539,313 |
| 3-6 | 0 | 29,650 | $0 | $7,419,621 | -$7,419,621 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 18,000 | $0 | $3,968,323 | -$3,968,323 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 30 reporting-owner rows connected to ASSURANT, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
30
Largest Forms 3/4/5 holder
Keith Demmings
Net 12M change
-$15,740,514
Latest report
06 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Keith Demmings | President and CEO, Director | $30,648,682 | -$3,968,323 | -11% | Mixed | 16 Mar 2026 |
| Alan B. Colberg | CEO, Director | $29,686,165 | Mixed | 05 Nov 2021 | ||
| Gene Mergelmeyer | Evp, Coo | $13,591,348 | Mixed | 08 Sep 2021 | ||
| Richard S. Dziadzio | EVP and CFO | $8,814,545 | Mixed | 14 Aug 2023 | ||
| Nair Biju | EVP, Pres, Global Conn Living | $7,333,772 | -$1,188,990 | -14% | Filing P/S | 06 Aug 2026 |
| Robert Lonergan | Evp, Csto | $7,191,343 | -$1,838,968 | -20% | Filing P/S | 22 Jun 2026 |
| Michael P. Campbell | Evp, Coo | $6,155,822 | Mixed | 16 Mar 2026 | ||
| Elaine D. Rosen | Director | $6,030,287 | Mixed | 22 May 2026 | ||
| Keith Meier | EVP, Chief Financial Officer | $4,903,554 | -$6,357,750 | -56% | Mixed | 15 May 2026 |
| Paul J. Reilly | Director | $4,825,580 | Mixed | 22 May 2026 | ||
| Juan Cento | Director | $4,809,416 | Mixed | 12 May 2023 | ||
| Lawrence Jackson V | Director | $4,441,962 | Mixed | 24 May 2024 | ||
| Ryan Lumsden | EVP, Pres, Global Housing | $4,166,295 | Mixed | 01 Apr 2026 | ||
| Francesca Luthi | EVP, Chief Operating Officer | $3,384,371 | Mixed | 16 Mar 2025 | ||
| Jay Rosenblum | EVP, Chief Legal Officer | $3,213,592 | -$1,316,796 | -29% | Filing P/S | 14 May 2026 |
| Jean Paul L. Montupet | Director | $3,023,508 | Mixed | 13 May 2022 | ||
| Robert W. Stein | Director | $2,730,670 | Mixed | 12 May 2023 | ||
| Harriet Edelman | Director | $2,420,740 | Mixed | 22 May 2026 | ||
| Debra J. Perry | Director | $2,018,062 | Mixed | 22 May 2025 | ||
| J. Braxton Carter II | Director | $1,951,795 | Mixed | 22 May 2026 |
Recent insider transactions for ASSURANT, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Nair Biju | AIZ | Common Stock | Sale | -14% | $1,188,990 | $302.46 | -3,931 | 24,247 | 06 Aug 2026 | Direct |
| Robert Lonergan | AIZ | Common Stock | Sale | -20.4% | $1,838,968 | $262.71 | -7,000 | 27,374 | 22 Jun 2026 | Direct |
| Dimitry DiRienzo | AIZ | Common Stock | Sale | -42.2% | $511,356 | $255.68 | -2,000 | 2,741 | 26 May 2026 | Direct |
| Rajiv Basu | AIZ | Common Stock | Award | 21.8% | 668 | 3,731 | 22 May 2026 | Direct | ||
| Lynn S. Blake | AIZ | Common Stock | Award | 668 | 668 | 22 May 2026 | Direct | |||
| J. Braxton Carter II | AIZ | Common Stock | Award | 8.05% | 668 | 8,961 | 22 May 2026 | Direct | ||
| Harriet Edelman | AIZ | Common Stock | Award | 6.39% | 668 | 11,114 | 22 May 2026 | Direct | ||
| Sari Beth Granat | AIZ | Common Stock | Award | 16.9% | 668 | 4,624 | 22 May 2026 | Direct | ||
| Ognjen Redzic | AIZ | Common Stock | Award | 8.94% | 668 | 8,136 | 22 May 2026 | Direct | ||
| Paul J. Reilly | AIZ | Common Stock | Award | 3.11% | 668 | 22,155 | 22 May 2026 | Direct | ||
| Elaine Rosen | AIZ | Common Stock | Award | 2.47% | 668 | 27,686 | 22 May 2026 | Direct | ||
| Kevin M. Warren | AIZ | Common Stock | Award | 40.6% | 668 | 2,315 | 22 May 2026 | Direct | ||
| Keith Meier | AIZ | Common Stock | Sale | -57.4% | $6,357,750 | $254.31 | -25,000 | 18,552 | 15 May 2026 | Direct |
| Jay Rosenblum | AIZ | Common Stock | Sale | -13.6% | $503,540 | $251.77 | -2,000 | 12,764 | 14 May 2026 | Direct |
| Ryan Lumsden | AIZ | Common Stock | Tax liability | -3.12% | -557 | 17,298 | 01 Apr 2026 | Direct | ||
| Nair Biju | AIZ | Common Stock | Tax liability | -3.79% | -1,108 | 28,143 | 01 Apr 2026 | Direct | ||
| Subhashish Sengupta | AIZ | Common Stock | Tax liability | -5.15% | -149 | 2,746 | 01 Apr 2026 | Direct | ||
| Subhashish Sengupta | AIZ | Common Stock | Sale | -39.4% | $395,796 | $210.53 | -1,880 | 2,895 | 20 Mar 2026 | Direct |
| Dimitry DiRienzo | AIZ | Common Stock | Sale | -13.7% | $158,235 | $210.98 | -750 | 4,741 | 20 Mar 2026 | Direct |
| Subhashish Sengupta | AIZ | Common Stock | Sale | -0.42% | $4,300 | $215.00 | -20 | 4,775 | 19 Mar 2026 | Direct |
| Keith Meier | AIZ | Common Stock | Tax liability | -22.6% | -11,717 | 40,063 | 16 Mar 2026 | Direct | ||
| Keith Meier | AIZ | Common Stock | Award | 99.6% | 25,844 | 51,780 | 16 Mar 2026 | Direct | ||
| Jeffrey A. Strickland | AIZ | Common Stock | Tax liability | -12.3% | -722 | 5,152 | 16 Mar 2026 | Direct | ||
| Jeffrey A. Strickland | AIZ | Common Stock | Award | 74.2% | 2,555 | 5,996 | 16 Mar 2026 | Direct | ||
| Subhashish Sengupta | AIZ | Common Stock | Tax liability | -23.9% | -1,239 | 3,951 | 16 Mar 2026 | Direct | ||
| Subhashish Sengupta | AIZ | Common Stock | Award | 128.6% | 2,920 | 5,190 | 16 Mar 2026 | Direct | ||
| Ryan Lumsden | AIZ | Common Stock | Tax liability | -5.72% | -1,033 | 17,011 | 16 Mar 2026 | Direct | ||
| Ryan Lumsden | AIZ | Common Stock | Award | 20.2% | 3,033 | 18,044 | 16 Mar 2026 | Direct | ||
| Keith Demmings | AIZ | Common Stock | Tax liability | -25.2% | -42,338 | 125,381 | 16 Mar 2026 | Direct | ||
| Keith Demmings | AIZ | Common Stock | Award | 128.4% | 94,284 | 167,719 | 16 Mar 2026 | Direct | ||
| Jay Rosenblum | AIZ | Common Stock | Tax liability | -31.6% | -6,196 | 13,415 | 16 Mar 2026 | Direct | ||
| Jay Rosenblum | AIZ | Common Stock | Award | 200.5% | 13,085 | 19,611 | 16 Mar 2026 | Direct | ||
| Nair Biju | AIZ | Common Stock | Tax liability | -21.4% | -7,385 | 27,090 | 16 Mar 2026 | Direct | ||
| Nair Biju | AIZ | Common Stock | Award | 98.5% | 17,108 | 34,475 | 16 Mar 2026 | Direct | ||
| Robert Lonergan | AIZ | Common Stock | Tax liability | -17.1% | -6,699 | 32,531 | 16 Mar 2026 | Direct | ||
| Robert Lonergan | AIZ | Common Stock | Award | 63.6% | 15,257 | 39,230 | 16 Mar 2026 | Direct | ||
| Dimitry DiRienzo | AIZ | Common Stock | Tax liability | -21.9% | -1,395 | 4,983 | 16 Mar 2026 | Direct | ||
| Dimitry DiRienzo | AIZ | Common Stock | Award | 156.9% | 3,895 | 6,378 | 16 Mar 2026 | Direct | ||
| Michael P. Campbell | AIZ | Common Stock | Tax liability | -23.3% | -7,687 | 25,350 | 16 Mar 2026 | Direct | ||
| Michael P. Campbell | AIZ | Common Stock | Award | 87.1% | 15,378 | 33,037 | 16 Mar 2026 | Direct | ||
| Keith Demmings | AIZ | Common Stock | Sale | -14% | $3,026,652 | $220.52 | -13,725 | 84,647 | 03 Oct 2025 | Direct |
| Michael P. Campbell | AIZ | Common Stock | Award | 4.56% | 862 | 19,752 | 01 Oct 2025 | Direct | ||
| Dimitry DiRienzo | AIZ | Common Stock | Tax liability | -4.59% | -144 | 2,991 | 01 Oct 2025 | Direct | ||
| Keith Demmings | AIZ | Common Stock | Sale | -4.16% | $941,671 | $220.27 | -4,275 | 98,372 | 29 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.