SEC ownership of RMR GROUP INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001644378.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

50/50

Latest evidence

01 Apr 2026

Top shareholders Insider holders Latest transactions
Public ticker
RMR on Nasdaq
Parsed ownership sources
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
VANGUARD GROUP INC
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
VANGUARD GROUP INC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
01 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001644378
Issuer location
Newton, MA

Ownership snapshot

Top shareholders of RMR GROUP 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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
50/50
Latest evidence
01 Apr 2026
13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: VANGUARD GROUP INC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD GROUP INC 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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership Top 5
VANGUARD GROUP INC 10%
BlackRock, Inc. 7.3%
Nantahala Capital Management, LLC 7.2%
BANK OF AMERICA CORP /DE/ 5.9%
Flat Footed 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
VANGUARD GROUP INC
13D/G
The Vanguard Group
13D/G
10%
$26,318,772
1,609,701 shares
 -$5,113,510 30 Jun 2025
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
7.3%
from 13D/G
$20,895,410
1,350,705 shares
 — 31 Mar 2026
Nantahala Capital Management, LLC
13D/G 13F
Company
13D/G 13F
7.2%
$18,768,198
1,147,902 shares
 $0 30 Jun 2025
BANK OF AMERICA CORP /DE/
13D/G 13F
Company
13D/G 13F
5.9%
$14,583,677
942,707 shares
 $0 31 Mar 2026
Flat Footed LLC
13D/G 13F
FF Hybrid, LP · Company
13D/G 13F
5.2%
$12,842,529
828,839 shares
 $0 01 Apr 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13D/G 13F
Hotchkis and Wiley Capital Management, LLC · Company
13D/G 13F
4.3%
$9,997,783
676,440 shares
 $0 31 Mar 2025
Adam D. Portnoy
3/4/5
Managing Dir., President & CEO, Director
3/4/5
1.6%
$3,751,625
251,787 shares
 — 26 Mar 2026
Jennifer B. Clark
3/4/5
MD, Exec. VP, GC & Secty, Director
3/4/5
0.48%
$1,339,079
77,493 shares
 — 16 Sep 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

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 17 Jul 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 1-15 of 15 reporting-owner rows connected to RMR GROUP INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
15
Largest Forms 3/4/5 holder
Adam D. Portnoy
Net 12M change
$0
Latest report
26 Mar 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Adam D. Portnoy Managing Dir., President & CEO, Director $3,751,625 Mixed 26 Mar 2026
Jennifer B. Clark MD, Exec. VP, GC & Secty, Director $1,339,079 Mixed 16 Sep 2025
Matthew P. Jordan Managing Dir., Exec. VP, COO, Director $997,033 Mixed 26 Mar 2026
John G. Murray Exec. VP of The RMR Group LLC $685,532 Mixed 16 Sep 2025
Ann Logan Director $599,143 Mixed 26 Mar 2026
Walter C. Watkins Jr. Director $560,731 Mixed 26 Mar 2026
Jennifer F. Francis Exec. VP of The RMR Group LLC $485,156 Mixed 18 Sep 2023
Rosen Plevneliev Director $457,608 Mixed 26 Mar 2026
Jonathan Veitch Director $426,631 Mixed 26 Mar 2026
Jonathan Pertchik Exec. VP of The RMR Group LLC $368,927 Mixed 19 Sep 2022
Jeffrey C. Leer Exec. VP of The RMR Group LLC $333,555 Mixed 16 Sep 2025
Christopher J. Bilotto Exec. VP of The RMR Group LLC $328,872 Mixed 16 Sep 2025
Matthew C. Brown Exec. VP, CFO and Treasurer $210,598 Mixed 01 Oct 2025
Yael Duffy Exec. VP of The RMR Group LLC $198,298 Mixed 01 Oct 2025
Lindsey Getz Exec. VP of The RMR Group LLC $144,910 Mixed 16 Sep 2025

Recent insider transactions for RMR GROUP 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
Ann Logan :RMR Class A Common Stock Award 19% 6,426 40,211 26 Mar 2026 Direct
Matthew P. Jordan :RMR Class A Common Stock Award 10.6% 6,426 66,915 26 Mar 2026 Direct
Walter C. Watkins Jr. :RMR Class A Common Stock Award 20.6% 6,426 37,633 26 Mar 2026 Direct
Jonathan Veitch :RMR Class A Common Stock Award 28.9% 6,426 28,633 26 Mar 2026 Direct
Adam D. Portnoy :RMR Class A Common Stock Award 4.15% 6,426 161,223 26 Mar 2026 Direct
Rosen Plevneliev :RMR Class A Common Stock Tax liability -3.04% -964 30,712 26 Mar 2026 Direct
Rosen Plevneliev :RMR Class A Common Stock Award 25.4% 6,426 31,676 26 Mar 2026 Direct
Lindsey Getz RMR Class A Common Stock Tax liability -5.73% -510 8,386 16 Sep 2025 Direct
Matthew P. Jordan RMR Class A Common Stock Tax liability -8.3% -5,475 60,489 16 Sep 2025 Direct
John G. Murray RMR Class A Common Stock Tax liability -4.46% -1,851 39,672 16 Sep 2025 Direct
Jennifer B. Clark RMR Class A Common Stock Tax liability -6.62% -5,494 77,493 16 Sep 2025 Direct
Christopher J. Bilotto RMR Class A Common Stock Tax liability -9.44% -1,983 19,032 16 Sep 2025 Direct
Adam D. Portnoy RMR Class A Common Stock Tax liability -4.78% -7,775 154,797 16 Sep 2025 Direct
Jeffrey C. Leer RMR Class A Common Stock Tax liability -5.44% -1,111 19,303 16 Sep 2025 Direct
Lindsey Getz RMR Class A Common Stock Award 8,896 8,896 09 Sep 2025 Direct
Matthew P. Jordan RMR Class A Common Stock Award 36.9% 17,793 65,964 09 Sep 2025 Direct
Christopher J. Bilotto RMR Class A Common Stock Award 73.4% 8,896 21,015 09 Sep 2025 Direct
Adam D. Portnoy RMR Class A Common Stock Award 28% 35,587 162,572 09 Sep 2025 Direct
John G. Murray RMR Class A Common Stock Award 27.3% 8,896 41,523 09 Sep 2025 Direct
Jennifer B. Clark RMR Class A Common Stock Award 27.3% 17,793 82,987 09 Sep 2025 Direct
Jeffrey C. Leer RMR Class A Common Stock Award 77.2% 8,896 20,414 09 Sep 2025 Direct
* marks a reported price that did not pass the local price check.
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