Comparable stake leader
BlackRock, Inc.
SEC ownership of COMMVAULT SYSTEMS INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001169561.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
21 May 2026
- Public ticker
- CVLT on Nasdaq
- Parsed ownership sources
- 13D/G, 13F, and 3/4/5
- Largest SEC-reported holder
- BlackRock, Inc.
- Latest 13D/G holder
- BlackRock, Inc.
- Latest parsed ownership date
- 21 May 2026
- Issuer CIK
- 0001169561
- Issuer location
- Tinton Falls, NJ
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 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
21 May 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
0.73%
Gary Merrill
0.17%
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 |
13D/G
13F
Vanguard Portfolio Management · Company
|
8.3%
|
$284,150,120
3,648,095 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.3%
|
$180,771,552
2,320,857 shares
|
$0 | 31 Mar 2026 |
| Sanjay Mirchandani |
3/4/5
President & CEO, Director
|
0.73%
|
$34,638,322
322,544 shares
|
-$15,137,461 | 21 May 2026 |
| Gary Merrill |
3/4/5
Chief Financial Officer
|
0.17%
|
$7,765,092
72,775 shares
|
-$5,839,250 | 21 May 2026 |
| William Geoffrey Haydon |
3/4/5
President of Cust & Field Ops
|
0.15%
|
$5,107,247
65,570 shares
|
— | 13 Apr 2026 |
| Jennifer Leigh DiRico |
3/4/5
Chief Financial Officer
|
0.1%
|
$5,476,200
44,313 shares
|
-$4,804,497 | 18 Nov 2025 |
| Keith Geeslin |
3/4/5
Director
|
0.08%
|
$5,812,992
34,180 shares
|
— | 07 Aug 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: -$26,461,500.
Buys
$0
Insiders: 0
Sells
$26,461,500
Insiders: 7
Net
-$26,461,500
Shares: -202,068
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 202,068
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 85,116 | $0 | $8,411,606 | -$8,411,606 |
| 3-6 | 0 | 11,183 | $0 | $1,011,493 | -$1,011,493 |
| 6-9 | 0 | 63,264 | $0 | $9,489,211 | -$9,489,211 |
| 9-12 | 0 | 42,505 | $0 | $7,549,190 | -$7,549,190 |
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
-$26,461,502
Latest report
21 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Sanjay Mirchandani | President & CEO, Director | $34,638,322 | -$15,137,461 | -30% | Filing P/S | 21 May 2026 |
| Gary Merrill | Chief Financial Officer | $7,765,092 | -$5,839,250 | -43% | Filing P/S | 21 May 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 | ||
| Keith Geeslin | Director | $5,812,992 | Mixed | 07 Aug 2025 | ||
| Jennifer Leigh DiRico | Chief Financial Officer | $5,476,200 | -$4,804,497 | -47% | Filing P/S | 18 Nov 2025 |
| William Geoffrey Haydon | President of Cust & Field Ops | $5,107,247 | Median | 13 Apr 2026 | ||
| David F. Walker | Director | $4,282,779 | Mixed | 17 May 2023 | ||
| Gary B. Smith | Director | $3,847,987 | Mixed | 05 Aug 2021 | ||
| Nicola Adamo | Director | $2,953,605 | Mixed | 07 Aug 2025 | ||
| Arlen Shenkman | Director | $2,858,706 | Mixed | 07 Aug 2025 | ||
| Vivie Lee | Director | $2,556,124 | -$139,934 | -5.2% | Filing P/S | 07 Aug 2025 |
| Charles E. Moran | Director | $2,327,578 | Mixed | 07 Aug 2025 | ||
| James J. Whalen | Chief Accounting Officer | $1,514,421 | Mixed | 17 Aug 2023 | ||
| Danielle Nicole Abrahamsen | Chief Accounting Officer | $1,404,812 | -$305,669 | -18% | Filing P/S | 21 May 2026 |
| A. Shane Sanders | Director | $1,355,620 | -$111,947 | -7.6% | Filing P/S | 07 Aug 2025 |
| Martha Helena Bejar | Director | $1,196,612 | Mixed | 07 Aug 2025 | ||
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Gary Merrill | CVLT | Common Stock | Award | 19.6% | 12,294 | 75,127 | 13 Apr 2026 | Direct | ||
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -2.93% | $805,065 | $80.09 | -10,052 | 332,529 | 17 Mar 2026 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -2.93% | $816,288 | $78.96 | -10,338 | 342,581 | 16 Mar 2026 | Direct |
| Gary Merrill | CVLT | Common Stock | Sale | -2.92% | $172,702 | $91.28 | -1,892 | 62,833 | 19 Feb 2026 | Direct |
| Gary Merrill | CVLT | Common Stock | Sale | -3.85% | $234,096 | $90.28 | -2,593 | 64,725 | 18 Feb 2026 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -1.8% | $585,014 | $90.28 | -6,480 | 352,919 | 18 Feb 2026 | Direct |
| Danielle Nicole Abrahamsen | CVLT | Common Stock | Sale | -2.05% | $19,681 | $90.28 | -218 | 10,416 | 18 Feb 2026 | Direct |
| Danielle Nicole Abrahamsen | CVLT | Common Stock | Award | 75.2% | 4,564 | 10,634 | 17 Feb 2026 | Direct | ||
| Gary Merrill | CVLT | Common Stock | Sale | -2.67% | $225,828 | $122.40 | -1,845 | 67,318 | 19 Nov 2025 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -3.52% | $1,588,118 | $121.15 | -13,109 | 359,260 | 19 Nov 2025 | Direct |
| Gary Merrill | CVLT | Common Stock | Sale | -3.72% | $330,453 | $123.58 | -2,674 | 69,163 | 18 Nov 2025 | Direct |
| Jennifer Leigh DiRico | CVLT | Common Stock | Sale | -1.84% | $102,571 | $123.58 | -830 | 44,313 | 18 Nov 2025 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -3.79% | $1,811,879 | $123.65 | -14,653 | 372,369 | 18 Nov 2025 | Direct |
| William Geoffrey Haydon | CVLT | Common Stock | Award | 1,027 | 1,027 | 27 Oct 2025 | Direct | |||
| Gary Merrill | CVLT | Common Stock | Sale | -17.5% | $2,713,649 | $178.01 | -15,244 | 71,837 | 12 Sep 2025 | Direct |
| Jennifer Leigh DiRico | CVLT | Common Stock | Sale | -24.8% | $2,716,713 | $182.22 | -14,909 | 45,143 | 09 Sep 2025 | Direct |
| Allison Pickens | CVLT | Common Stock | Sale | -11.8% | $122,744 | $177.89 | -690 | 5,166 | 03 Sep 2025 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Gift | 56,000 | 56,000 | 29 Aug 2025 | By Sanjay S. Mirchandani 2025 GRAT | |||
| Sanjay Mirchandani | CVLT | Common Stock | Gift | -12.6% | -56,000 | 387,022 | 29 Aug 2025 | Direct | ||
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -3.35% | $2,708,469 | $176.57 | -15,339 | 443,022 | 19 Aug 2025 | Direct |
| Sanjay Mirchandani | CVLT | Common Stock | Sale | -2.41% | $2,013,021 | $177.83 | -11,320 | 458,361 | 18 Aug 2025 | Direct |
* marks a reported price that did not pass the local price check.