SEC ownership of COMMVAULT SYSTEMS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001169561.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

18 Aug 2026

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
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
18 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001169561
Issuer location
Tinton Falls, NJ

Ownership snapshot

Top shareholders of COMMVAULT SYSTEMS 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
18 Aug 2026
13D/G 13F 3/4/5 Lead comparable stake: 13% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 13%.

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. 13%
VANGUARD PORTFOLIO MANAGEMENT LLC 8.3%
VANGUARD CAPITAL MANAGEMENT LLC 5.3%
Sanjay Mirchandani 0.68%
Gary Merrill 0.16%

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.
13D/G 13F
Company
13%
$949,614,949
5,737,508 shares
$0 31 Mar 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
8.3%
from 13D/G
$515,274,155
3,635,604 shares
30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
5.3%
from 13D/G
$264,100,958
1,863,409 shares
30 Jun 2026
Sanjay Mirchandani
3/4/5
President & CEO, Director
0.68%
$39,968,903
298,410 shares
-$13,881,047 17 Aug 2026
Gary Merrill
3/4/5
Chief Financial Officer
0.16%
$9,942,878
69,628 shares
-$5,822,336 18 Aug 2026
William Geoffrey Haydon
3/4/5
President of Cust & Field Ops
0.15%
$8,794,934
65,254 shares
-$42,590 10 Aug 2026
Jennifer Leigh DiRico
3/4/5
Chief Financial Officer
0.1%
$5,476,200
44,313 shares
-$2,819,284 18 Nov 2025
Keith Geeslin
3/4/5
Director
0.08%
$5,093,917
35,941 shares
06 Aug 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: -$23,318,185.

Buys
$0
Insiders: 0
Sells
$23,318,185
Insiders: 8
Net
-$23,318,185
Shares: -190,171
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 190,171
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 29,918 $0 $4,283,131 -$4,283,131
3-6 0 85,116 $0 $8,411,606 -$8,411,606
6-9 0 11,183 $0 $1,011,493 -$1,011,493
9-12 0 63,954 $0 $9,611,955 -$9,611,955

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-19 of 19 reporting-owner rows connected to COMMVAULT SYSTEMS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
19
Largest Forms 3/4/5 holder
Sanjay Mirchandani
Net 12M change
-$23,318,184
Latest report
18 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Sanjay Mirchandani President & CEO, Director $39,968,903 -$13,881,047 -26% Mixed 17 Aug 2026
Gary Merrill Chief Financial Officer $9,942,878 -$5,822,336 -37% Filing P/S 18 Aug 2026
William Geoffrey Haydon President of Cust & Field Ops $8,794,934 -$42,590 -0.48% Filing P/S 10 Aug 2026
Brian Carolan VP Finance and CFO $7,206,107 Mixed 25 May 2022
Riccardo di Blasio Chief Revenue Officer $6,601,331 Mixed 17 Nov 2023
Jennifer Leigh DiRico Chief Financial Officer $5,476,200 -$2,819,284 -34% Filing P/S 18 Nov 2025
Keith Geeslin Director $5,093,917 Median 06 Aug 2026
David F. Walker Director $4,282,779 Mixed 17 May 2023
Gary B. Smith Director $3,847,987 Mixed 05 Aug 2021
Arlen Shenkman Director $2,858,706 Mixed 07 Aug 2025
Nicola Adamo Director $2,711,011 Median 06 Aug 2026
Charles E. Moran Director $2,189,303 Median 06 Aug 2026
Vivie Lee Director $2,031,636 -$79,843 -3.8% Filing P/S 06 Aug 2026
Danielle Nicole Abrahamsen Chief Accounting Officer $1,736,448 -$486,466 -22% Filing P/S 17 Aug 2026
James J. Whalen Chief Accounting Officer $1,514,421 Mixed 17 Aug 2023
Martha Helena Bejar Director $1,246,798 Median 06 Aug 2026
A. Shane Sanders Director $1,166,916 -$63,874 -5.2% Filing P/S 06 Aug 2026
Allison Pickens Director $918,979 -$122,744 -12% Filing P/S 03 Sep 2025
Richard Todd Bradley Director $856,525 Mixed 24 Aug 2022

Recent insider transactions for COMMVAULT SYSTEMS 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
Gary Merrill CVLT Common Stock Sale -1.82% $184,640 $142.80 -1,293 69,628 19 Aug 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -3.84% $69,401 $142.80 -486 12,160 19 Aug 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -2.59% $979,180 $142.80 -6,857 257,676 19 Aug 2026 Direct
Gary Merrill CVLT Common Stock Sale -2.55% $266,309 $143.64 -1,854 70,921 18 Aug 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -3% $56,163 $143.64 -391 12,646 18 Aug 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -1.8% $695,218 $143.64 -4,840 264,533 18 Aug 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -0.9% $17,134 $143.98 -119 13,037 17 Aug 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -4.41% $1,790,679 $143.98 -12,437 269,373 17 Aug 2026 Direct
William Geoffrey Haydon CVLT Common Stock Sale -0.48% $42,590 $134.78 -316 65,254 10 Aug 2026 Direct
A. Shane Sanders CVLT Common Stock Sale -5.19% $63,874 $134.19 -476 8,696 10 Aug 2026 Direct
Vivie Lee CVLT Common Stock Sale -3.78% $79,843 $134.19 -595 15,140 10 Aug 2026 Direct
A. Shane Sanders CVLT Common Stock Award 23.8% 1,761 9,172 06 Aug 2026 Direct
Vivie Lee CVLT Common Stock Award 12.6% 1,761 15,735 06 Aug 2026 Direct
Nicola Adamo CVLT Common Stock Award 10.1% 1,761 19,128 06 Aug 2026 Direct
Martha Helena Bejar CVLT Common Stock Award 25% 1,761 8,797 06 Aug 2026 Direct
Charles E. Moran CVLT Common Stock Award 12.9% 1,761 15,447 06 Aug 2026 Direct
Keith Geeslin CVLT Common Stock Award 5.15% 1,761 35,941 06 Aug 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -1.89% $38,100 $150.00 -254 13,156 02 Jul 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Award 1.85% 244 13,410 25 Jun 2026 Direct
Sanjay Mirchandani CVLT Common Stock Gift 40,734 40,734 11 Jun 2026 By Sanjay S. Mirchandani 2026 GRAT
Sanjay Mirchandani CVLT Common Stock Gift -12.6% -40,734 281,810 11 Jun 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -2.06% $29,556 $106.70 -277 13,166 26 May 2026 Direct
Gary Merrill CVLT Common Stock Sale -5.89% $485,912 $106.70 -4,554 72,775 26 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -0.75% $10,846 $107.39 -101 13,443 22 May 2026 Direct
Gary Merrill CVLT Common Stock Sale -4.66% $405,616 $107.39 -3,777 77,329 22 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -2.92% $1,041,800 $107.39 -9,701 322,544 22 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Award 2.48% 328 13,544 21 May 2026 Direct
Gary Merrill CVLT Common Stock Award 11.9% 8,599 81,106 21 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Award 8.25% 25,318 332,245 21 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -2.69% $36,182 $99.13 -365 13,216 20 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -2.68% $837,648 $99.13 -8,450 306,927 20 May 2026 Direct
Gary Merrill CVLT Common Stock Sale -5.92% $479,267 $105.10 -4,560 72,507 19 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -7.27% $112,724 $105.84 -1,065 13,581 19 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -5.79% $2,046,062 $105.49 -19,396 315,377 19 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Sale -5.94% $96,679 $104.52 -925 14,646 18 May 2026 Direct
Gary Merrill CVLT Common Stock Sale -3.86% $323,865 $104.54 -3,098 77,067 18 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Sale -2.46% $884,095 $104.54 -8,457 334,773 18 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Award 33.4% 3,897 15,571 15 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Common Stock Options Exercise 3.69% 415 11,674 15 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Performance Stock Units Options Exercise 0 0 15 May 2026 Direct
Gary Merrill CVLT Common Stock Award 43.6% 24,357 80,165 15 May 2026 Direct
Gary Merrill CVLT Common Stock Options Exercise 0.5% 278 55,808 15 May 2026 Direct
Gary Merrill CVLT Performance Stock Units Options Exercise 0 0 15 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Award 25.7% 70,150 343,230 15 May 2026 Direct
Sanjay Mirchandani CVLT Common Stock Options Exercise 0.34% 926 273,080 15 May 2026 Direct
Sanjay Mirchandani CVLT Performance Stock Units Options Exercise 0 0 15 May 2026 Direct
Danielle Nicole Abrahamsen CVLT Performance Stock Units Award 1,258 1,258 22 Apr 2026 Direct
Gary Merrill CVLT Performance Stock Units Award 841 841 22 Apr 2026 Direct
Sanjay Mirchandani CVLT Performance Stock Units Award 2,805 2,805 22 Apr 2026 Direct
William Geoffrey Haydon CVLT Common Stock Award 6284.6% 64,543 65,570 13 Apr 2026 Direct
* marks a reported price that did not pass the local price check.
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