Teresa M. Nilsen - 18 Sep 2026 Form 4 Insider Report for HENNESSY ADVISORS INC (HNNA)

Reporting relationship: President, COO and Secretary, Director
Issuer ticker: HNNA
Reported as of: 18 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 Sep 2026, 17:37:43 UTC
Prior SEC filing: 19 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Teresa M. Nilsen

Filing notes and source

Key filing fact

Teresa M. Nilsen filed Form 4 for HENNESSY ADVISORS INC (HNNA) on 22 Sep 2026.

Key facts

This page summarizes Teresa M. Nilsen's Form 4 filing for HENNESSY ADVISORS INC (HNNA).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 22 Sep 2026, 17:37.

Change

Previous filing in this sequence was filed on 19 Sep 2025.
Current net transaction value: $0.

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 0001165098 Primary reporting owner

NILSEN TERESA M

Relationship: President, COO and Secretary, Director
Address: 7250 REDWOOD BLVD, SUITE 200, NOVATO
Signature: /s/ Teresa M. Nilsen
Signature date: 22 Sep 2026

Reported non-derivative transactions

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

HNNA transaction

Common Stock

Award

Transaction value
Shares: +19,700
Change %: +13%
Price: $0.000000^*
Shares after: 170,522
Date: 18 Sep 2026
Ownership: Direct
Footnotes: F1, F2

HNNA transaction

Common Stock

Tax liability

Transaction value
Shares: -9,520
Change %: -5.6%
Price: $10.38^*
Shares after: 161,002
Date: 18 Sep 2026
Ownership: Direct

HNNA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,425
Date: 18 Sep 2026
Ownership: FBO Child

HNNA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,518
Date: 18 Sep 2026
Ownership: By Spouse's IRA

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes 19,700 shares of underlying stock units that will vest 25% per year beginning on September 18, 2027.

Footnote F2

The amount reported in Column 5 reflects a reduction of 0.5 shares from the amount previously reported due to correction of an administrative error. There was no transaction.