NB Bancorp (NBBK) director amends Form 4 to correct non-existent share sale
Filing Impact
Filing Sentiment
Form Type
4/A
Rhea-AI Filing Summary
NB Bancorp, Inc. director Mark Whalen filed an amended Form 4 that updates his reported holdings without showing any new buy or sell transactions. The filing reports 77,639 shares of common stock held directly and 30,000 shares held indirectly as trustee for a trust.
Footnotes explain that the direct holdings include restricted stock that vests 20% per year starting on April 24, 2026 and additional restricted stock vesting 100% on January 2, 2027. The amendment corrects a previously filed Form 4 that had mistakenly reported a disposition of common shares that did not actually occur.
Positive
- None.
Negative
- None.
Insider Trade Summary
2 transactions reported
Mixed
2 txns
Insider
Whalen Mark
Role
null
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 77,639 shares (Direct, null);
Common Stock — 30,000 shares (Indirect, As trustee for trust)
Footnotes (1)
- Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026. Includes shares of restricted stock which vest 100% on January 2, 2027. On April 27, 2026, a Form 4 was mistakenly filed reporting a disposition of shares of common stock that did not in fact occur. The change in the securities beneficially owned has been corrected accordingly in this amended Form 4.
Key Figures
Direct common shares: 77,639 shares
Indirect common shares (trustee): 30,000 shares
Vesting start (20% per year): April 24, 2026
+2 more
5 metrics
Direct common shares
77,639 shares
Total common stock held directly after amendment
Indirect common shares (trustee)
30,000 shares
Common stock held indirectly as trustee for a trust
Vesting start (20% per year)
April 24, 2026
Restricted stock vests 20% annually beginning on this date
Cliff vesting date
January 2, 2027
Restricted stock vests 100% on this date
Unknown transaction entries
2 entries
Both coded as holding entries with unknown transaction code
Key Terms
restricted stock, beneficially owned, trustee, Form 4, +1 more
5 terms
restricted stock financial
"Includes shares of restricted stock which vest at a rate of 20% per year"
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
beneficially owned financial
"The change in the securities beneficially owned has been corrected accordingly"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
trustee financial
"As trustee for trust"
A trustee is a person or institution legally appointed to hold and manage assets or enforce an agreement on behalf of other people (beneficiaries). Think of a trustee as a neutral referee or custodian who must act in the beneficiaries’ best interests, follow the trust or contract rules, and handle distributions, recordkeeping and enforcement. Investors care because a trustworthy trustee protects their rights, ensures promised payments or remedies are delivered, and can influence recoveries if things go wrong.
Form 4 regulatory
"On April 27, 2026, a Form 4 was mistakenly filed reporting a disposition"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
disposition financial
"reporting a disposition of shares of common stock that did not in fact occur"
FAQ
What does Mark Whalen’s amended Form 4 for NB Bancorp (NBBK) show?
The amended Form 4 updates Mark Whalen’s reported holdings with no new trades. It shows 77,639 NB Bancorp common shares held directly and 30,000 shares held indirectly as trustee, plus notes on restricted stock vesting schedules.
What restricted stock vesting terms are disclosed for NB Bancorp (NBBK) director Mark Whalen?
The filing notes restricted stock that vests 20% per year starting April 24, 2026. It also includes restricted shares vesting 100% on January 2, 2027, both forming part of Whalen’s reported NB Bancorp equity holdings.
Why was this NB Bancorp (NBBK) Form 4/A amendment necessary?
The amendment corrects an error from an April 27, 2026 Form 4. That earlier filing mistakenly reported a disposition of NB Bancorp common shares that did not actually occur, so this Form 4/A updates the beneficial ownership totals.