Fergal Stack - 18 Aug 2026 Form 4 Insider Report for Happen, Inc. (HAPN)

Reporting relationship: SVP, Corporate Controller
Issuer ticker: HAPN
Reported as of: 18 Aug 2026
Net transaction value: -$2,132,597
SEC form: 4
Accepted by SEC: 20 Aug 2026, 19:59:58 UTC
Prior SEC filing: 02 Jul 2026
Next SEC filing: 27 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Bhavit Sheth, attorney-in-fact

Key filing fact

Fergal Stack filed Form 4 for Happen, Inc. (HAPN) on 20 Aug 2026.

Key facts

This page summarizes Fergal Stack's Form 4 filing for Happen, Inc. (HAPN).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 20 Aug 2026, 19:59.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: -$2,132,597.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001714400 Primary reporting owner

Stack Fergal

Relationship: SVP, Corporate Controller
Address: C/O HAPPEN, INC., 88 KEARNY ST., SUITE 600, SAN FRANCISCO
Signature: /s/ Bhavit Sheth, attorney-in-fact
Signature date: 20 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HAPN transaction

Common Stock

Sale

Transaction value: $754,532
Shares: -40,000
Change %: -26%
Price: $18.86
Shares after: 114,977
Date: 18 Aug 2026
Ownership: Direct
Footnotes: F1, F2

HAPN transaction

Common Stock

Sale

Transaction value: $699,056
Shares: -37,500
Change %: -33%
Price: $18.64
Shares after: 77,477
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F1, F3

HAPN transaction

Common Stock

Sale

Transaction value: $679,009
Shares: -37,500
Change %: -48%
Price: $18.11
Shares after: 39,977
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Footnote F2

This transaction was executed in multiple trades during the date at prices ranging from $18.67 to $19.03. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

Footnote F3

This transaction was executed in multiple trades during the date at prices ranging from $18.51 to $18.81. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

Footnote F4

This transaction was executed in multiple trades during the date at prices ranging from $17.94 to $18.42. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.