Fasanella David purchased ~$16K in Northfield Bancorp, Inc. stock
Northfield Bancorp, Inc. (NFBK) · EVP · Data via SEC EDGAR Form 4
Price Performance · 10 days before → 90 days after trade
▲ = insider buy date
90-day return
+7.5%vs SPY +7.2%
Trade Details · Public SEC Filing
Insider
Fasanella David
Role
EVP
Transaction
Open-Market Purchase
Approx. Value
~$16K
Trade Date
Mar 17, 2021
Company
Northfield Bancorp, Inc.
Ticker
NFBKSource
SEC EDGAR Form 4
Why This Trade Stands Out
Strong conviction signal
Scored above average across multiple factors. Roughly 15% of insider trades qualify as Strong.
~$16K purchase
A personal investment by a corporate insider. Even smaller trades can be meaningful when combined with other factors like timing and role.
EVP
Senior executives have visibility into their division's pipeline and company health. Their trades carry weight because they understand the business from the inside.
+7.5% in 90 days (S&P 500: +7.2%)
This trade beat the S&P 500 by 0.3 percentage points over 90 days. We track performance on every insider trade so you can see who consistently outperforms.
How good is Fasanella David at picking stocks?
Full track record: win rate, average return, and performance vs S&P 500
On March 17, 2021, Fasanella David — EVP of Northfield Bancorp, Inc. — filed a Form 4 with the SEC disclosing an open-market purchase of approximately ~$16K in Northfield Bancorp, Inc. (NFBK) stock.
Under Section 16(a) of the Securities Exchange Act of 1934, corporate insiders must report all open-market stock transactions to the SEC within two business days. These filings — known as Form 4s — are publicly available on the SEC's EDGAR database. VeritySignals filters and scores the full Form 4 stream to surface high-conviction signals like this one.
In the 90 days following this trade, NFBK returned +7.5% versus +7.2% for the S&P 500 over the same period.
VeritySignals Conviction Analysis
Full Conviction Analysis
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All data sourced from publicly available SEC Form 4 filings via EDGAR · Not financial advice · Past performance does not guarantee future results.
At a Glance
More NFBK Insider Activity
Stahlin Paul
Mar 19, 2026
~$1.1M
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Stahlin Paul
Mar 19, 2026
~$1.1M
STRONG
Fasanella David
Mar 19, 2026
~$98K
VS
Stahlin Paul
Mar 19, 2026
~$1.1M
STRONG
How to Read Insider Trades
What is this?
When company executives buy or sell their own stock, they must report it to the SEC within 2 days. These public filings reveal what the people who know the company best are doing with their own money.
Why does it matter?
Insiders can sell for many reasons (taxes, diversification, expenses), but they generally only buy for one: they think the stock is going up. That's why insider purchases are more predictive than sales.
What makes a trade "strong"?
We score trades on 15+ factors: the insider's role (CEO > director), trade size relative to their salary, whether other insiders also bought (clusters), and historical accuracy of the insider.
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