Comparable stake leader
WELLINGTON MANAGEMENT GROUP LLP
SEC ownership of Happen, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001409970.
Disclosed value leader
WELLINGTON MANAGEMENT GROUP LLP
Comparable rows
50/50
Latest evidence
15 Sep 2026
- Public ticker
- HAPN on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
WELLINGTON MANAGEMENT GROUP LLP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
WELLINGTON MANAGEMENT GROUP LLP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001409970
- Issuer location
- San Francisco, CA
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 Happen, 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
WELLINGTON MANAGEMENT GRO...
Disclosed value leader
WELLINGTON MANAGEMENT GRO...
Comparable rows
50/50
Latest evidence
15 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 13%
13D/G row: WELLINGTON MANAGEMENT GROUP LLP
Showing 1-8 of 50 holder rows.
Quick read
WELLINGTON MANAGEMENT GROUP LLP 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 WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.
Comparable ownership
Top 5
WELLINGTON MANAGEMENT GROUP LLP
13%
BlackRock, Inc.
7.5%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.7%
Bay Pond Investors (Bermuda) L.P.
5.1%
Bay Pond Partners, L.P.
5.1%
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 |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
13%
from 13D/G
|
$317,008,183
15,284,869 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.5%
from 13D/G
|
$208,692,765
10,062,332 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Portfolio Management
|
6.7%
from 13D/G
|
$171,083,928
8,248,984 shares
|
— | 30 Jun 2026 |
| Bay Pond Investors (Bermuda) L.P. |
13D/G
|
5.1%
|
$84,240,035
5,882,684 shares
|
$0 | 17 Apr 2026 |
| Bay Pond Partners, L.P. |
13D/G
|
5.1%
|
$84,014,180
5,866,912 shares
|
$0 | 17 Apr 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5%
from 13D/G
|
$130,393,067
6,287,112 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5%
|
$117,462,642
5,772,120 shares
|
$0 | 30 Jun 2026 |
| Senvest Management, LLC |
13D/G
13F
Company
|
3.7%
|
$81,821,899
4,320,058 shares
|
-$27,046,983 | 31 Dec 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: -$10,055,174.
Buys
$0
Insiders: 0
Sells
$10,055,174
Insiders: 6
Net
-$10,055,174
Shares: -528,018
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 528,018
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 227,184 | $0 | $4,299,774 | -$4,299,774 |
| 3-6 | 0 | 231,391 | $0 | $4,467,179 | -$4,467,179 |
| 6-9 | 0 | 14,389 | $0 | $255,304 | -$255,304 |
| 9-12 | 0 | 55,054 | $0 | $1,032,917 | -$1,032,917 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to Happen, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
Scott Sanborn
Net 12M change
-$10,055,175
Latest report
15 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Scott Sanborn | CEO, Director | $27,712,936 | -$3,862,215 | -12% | Mixed | 25 Aug 2026 |
| Annie Armstrong | Chief Risk Officer | $6,464,053 | -$626,039 | -8.8% | Mixed | 25 Feb 2026 |
| Andrew LaBenne | Chief Financial Officer | $6,042,493 | -$609,887 | -9.2% | Mixed | 25 Aug 2026 |
| Ronnie Momen | Bank-Chief Business Officer | $3,679,456 | Mixed | 25 May 2024 | ||
| Jordan Cheng | General Counsel & Secretary | $2,311,207 | -$353,392 | -13% | Mixed | 03 Sep 2026 |
| Brandon Pace | Chief Administrative Officer | $1,642,939 | Mixed | 25 Aug 2023 | ||
| Steven C. Mattics | Bank - Chief Lending Officer | $1,353,388 | Mixed | 25 Aug 2026 | ||
| Erin Selleck | Director | $1,257,338 | -$280,127 | -18% | Filing P/S | 15 Sep 2026 |
| Valerie Kay | Bank-Chief Capital Officer | $1,253,078 | Mixed | 25 Feb 2023 | ||
| Fergal Stack | SVP, Corporate Controller | $1,151,107 | -$4,323,515 | -79% | Mixed | 25 Aug 2026 |
| Bahman Koohestani | Bank-Chief Technology Officer | $1,006,855 | Mixed | 01 Sep 2021 | ||
| Thomas W. Casey | Chief Financial Officer, Director | $831,122 | Mixed | 02 Jun 2022 | ||
| Athey Susan C. | Director | $247,311 | Mixed | 15 Dec 2021 | ||
| John C. Morris | Director | $217,979 | Mixed | 03 Jun 2025 | ||
| Stephen M. Cutler | Director | $196,398 | Mixed | 02 Jun 2026 | ||
| Michael P. Zeisser | Director | $196,398 | Mixed | 02 Jun 2026 | ||
| Syed Faiz Ahmad | Director | $196,398 | Mixed | 02 Jun 2026 | ||
| Timothy J. Mayopoulos | Director | $196,398 | Mixed | 02 Jun 2026 | ||
| Janey Whiteside | Director | $196,398 | Mixed | 02 Jun 2026 | ||
| Allan R. Landon | Director | $196,398 | Mixed | 02 Jun 2026 |
Recent insider transactions for Happen, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Erin Selleck | HAPN | Common Stock | Sale | -8.66% | $119,229 | $16.68 | -7,148 | 75,380 | 15 Sep 2026 | Direct |
| Erin Selleck | HAPN | Common Stock | Sale | -2.43% | $35,812 | $17.41 | -2,057 | 82,528 | 04 Sep 2026 | Direct |
| Jordan Cheng | HAPN | Common Stock | Sale | -2.56% | $49,168 | $17.56 | -2,800 | 106,413 | 03 Sep 2026 | Direct |
| Scott Sanborn | HAPN | Common Stock | Sale | -1.93% | $524,710 | $18.25 | -28,750 | 1,462,774 | 26 Aug 2026 | Direct |
| Fergal Stack | HAPN | Common Stock | Tax liability | -5.76% | -2,682 | 43,888 | 25 Aug 2026 | Direct | ||
| Fergal Stack | HAPN | Common Stock | Options Exercise | 16.5% | 6,593 | 46,570 | 25 Aug 2026 | Direct | ||
| Fergal Stack | HAPN | Restricted Stock Unit (RSU) | Options Exercise | -51.4% | -6,593 | 6,235 | 25 Aug 2026 | Direct | ||
| Scott Sanborn | HAPN | Common Stock | Tax liability | -0.99% | -14,856 | 1,491,524 | 25 Aug 2026 | Direct | ||
| Scott Sanborn | HAPN | Common Stock | Options Exercise | 1.88% | 27,817 | 1,506,380 | 25 Aug 2026 | Direct | ||
| Scott Sanborn | HAPN | Restricted Stock Unit (RSU) | Options Exercise | -51.4% | -27,817 | 26,302 | 25 Aug 2026 | Direct | ||
| Steven C. Mattics | HAPN | Common Stock | Tax liability | -17.4% | -13,697 | 65,255 | 25 Aug 2026 | Direct | ||
| Steven C. Mattics | HAPN | Common Stock | Options Exercise | 52.6% | 27,213 | 78,952 | 25 Aug 2026 | Direct | ||
| Steven C. Mattics | HAPN | Restricted Stock Unit (RSU) | Options Exercise | -30.6% | -27,213 | 61,795 | 25 Aug 2026 | Direct | ||
| Andrew LaBenne | HAPN | Common Stock | Tax liability | -5.41% | -13,371 | 233,617 | 25 Aug 2026 | Direct | ||
| Andrew LaBenne | HAPN | Common Stock | Options Exercise | 11.8% | 25,962 | 246,988 | 25 Aug 2026 | Direct | ||
| Andrew LaBenne | HAPN | Restricted Stock Unit (RSU) | Options Exercise | -51.4% | -25,962 | 24,549 | 25 Aug 2026 | Direct | ||
| Jordan Cheng | HAPN | Common Stock | Tax liability | -4.78% | -5,477 | 109,213 | 25 Aug 2026 | Direct | ||
| Jordan Cheng | HAPN | Common Stock | Options Exercise | 11.8% | 12,116 | 114,690 | 25 Aug 2026 | Direct | ||
| Jordan Cheng | HAPN | Restricted Stock Unit (RSU) | Options Exercise | -51.4% | -12,116 | 11,456 | 25 Aug 2026 | Direct | ||
| Fergal Stack | HAPN | Common Stock | Sale | -48.4% | $679,009 | $18.11 | -37,500 | 39,977 | 20 Aug 2026 | Direct |
| Fergal Stack | HAPN | Common Stock | Sale | -32.6% | $699,056 | $18.64 | -37,500 | 77,477 | 19 Aug 2026 | Direct |
| Fergal Stack | HAPN | Common Stock | Sale | -25.8% | $754,532 | $18.86 | -40,000 | 114,977 | 18 Aug 2026 | Direct |
| Andrew LaBenne | HAPN | Common Stock | Sale | -5.93% | $269,823 | $19.37 | -13,929 | 221,026 | 10 Aug 2026 | Direct |
| Scott Sanborn | HAPN | Common Stock | Sale | -1.91% | $591,192 | $20.56 | -28,750 | 1,478,563 | 05 Aug 2026 | Direct |
| Scott Sanborn | HAPN | Common Stock | Sale | -1.87% | $577,242 | $20.08 | -28,750 | 1,507,313 | 15 Jul 2026 | Direct |
| Fergal Stack | LC | Common Stock | Sale | -24.4% | $1,050,690 | $21.01 | -50,000 | 154,977 | 01 Jul 2026 | Direct |
| Scott Sanborn | LC | Common Stock | Sale | -1.6% | $525,028 | $21.00 | -25,000 | 1,536,063 | 01 Jul 2026 | Direct |
| Jordan Cheng | LC | Common Stock | Sale | -5.09% | $114,694 | $20.85 | -5,500 | 102,574 | 01 Jul 2026 | Direct |
| Scott Sanborn | LC | Common Stock | Sale | -1.81% | $551,212 | $19.17 | -28,750 | 1,561,063 | 24 Jun 2026 | Direct |
| Fergal Stack | LC | Common Stock | Sale | -22.6% | $1,140,228 | $19.00 | -60,000 | 204,977 | 16 Jun 2026 | Direct |
| Jordan Cheng | LC | Common Stock | Sale | -4.84% | $96,030 | $17.46 | -5,500 | 108,074 | 10 Jun 2026 | Direct |
| Scott Sanborn | LC | Common Stock | Sale | -0.31% | $88,182 | $18.00 | -4,899 | 1,589,813 | 09 Jun 2026 | Direct |
| Erin Selleck | HAPN | Common Stock | Sale | -2.86% | $41,603 | $17.40 | -2,391 | 81,157 | 05 Jun 2026 | Direct |
| Michael P. Zeisser | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Janey Whiteside | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Erin Selleck | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Kathryn Reimann | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Timothy J. Mayopoulos | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Allan R. Landon | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Stephen M. Cutler | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Syed Faiz Ahmad | LC | Common Stock | Award | 13,715 | 13,715 | 02 Jun 2026 | Direct | |||
| Scott Sanborn | LC | Common Stock | Sale | -1.47% | $425,948 | $17.86 | -23,851 | 1,594,712 | 02 Jun 2026 | Direct |
| Andrew LaBenne | LC | Common Stock | Sale | -7.84% | $340,064 | $17.00 | -20,000 | 234,955 | 28 May 2026 | Direct |
| Jordan Cheng | LC | Common Stock | Sale | -4.62% | $93,500 | $17.00 | -5,500 | 113,574 | 28 May 2026 | Direct |
| Fergal Stack | LC | Common Stock | Tax liability | -1% | -2,680 | 264,977 | 25 May 2026 | Direct | ||
| Fergal Stack | LC | Common Stock | Options Exercise | 2.53% | 6,593 | 267,657 | 25 May 2026 | Direct | ||
| Fergal Stack | LC | Restricted Stock Unit (RSU) | Options Exercise | -41.4% | -6,593 | 9,352 | 25 May 2026 | Direct | ||
| Steven C. Mattics | LC | Common Stock | Tax liability | -42.7% | -38,574 | 51,739 | 25 May 2026 | Direct | ||
| Steven C. Mattics | LC | Common Stock | Options Exercise | 90,313 | 90,313 | 25 May 2026 | Direct | |||
| Steven C. Mattics | LC | Restricted Stock Unit (RSU) | Options Exercise | -57.1% | -90,313 | 67,974 | 25 May 2026 | Direct |
* marks a reported price that did not pass the local price check.