Insider Tracker SEC Form 4 insider trades
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BYRN

Byrna Technologies Inc.

Industrials Miscellaneous Electrical Machinery, Equipment & Supplies Market cap: $121.0M All insider activity → Quote and statistics → Sign in to watch BYRN Sign in to set a price alert
58
Insider Score Band below 60

Research score, not a recommendation.

Total bought$410.0K5 Form 4 purchases
Distinct insiders5open-market buyers
Lead insiderGanz BryanCEO
Cluster window2021-07-20single day · closed

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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partial data Price history is incomplete; missing inputs count as neutral in the score.

same price, one day All 5 purchases were at $21.00 on 2021-07-20. That pattern also occurs in IPO or conversion subscriptions, which are not open-market conviction buying.

Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
83%
Seniority executive rank of buyers (CEO/CFO/Director)
97%
Commitment purchase size relative to company & holdings
61%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
100%
Routine-purchase discount × 1.00
Company-type / offering discount × 0.50
Net insider selling penalty − 0

Why are they buying?

No explanation has been generated for this cluster. The filings in the table below are the primary evidence.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

5 Form 4 trades · 5 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Flags Filing
2021-07-20 Ganz Bryan 6 purchases with a 63-day result · median -14.2% CEO 11,905 $21.00 $250.0K
offering
SEC filing for Ganz Bryan (opens in a new tab)
2021-07-20 Wager Lisa history of Wager Lisa's purchases Other C-suite 3,572 $21.00 $75.0K
offering
SEC filing for Wager Lisa (opens in a new tab)
2021-07-20 North David 4 purchases with a 63-day result · median +51.6% CFO 2,381 $21.00 $50.0K
offering
SEC filing for North David (opens in a new tab)
2021-07-20 Wager Michael 4 purchases with a 63-day result · median -14.2% Other C-suite 1,190 $21.00 $25.0K
offering
SEC filing for Wager Michael (opens in a new tab)
2021-07-20 Reed Chris Lavern history of Reed Chris Lavern's purchases Director 476 $21.00 $10.0K
offering
SEC filing for Reed Chris Lavern (opens in a new tab)
Total $410.0K

Other buying runs at BYRN

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days +17.3%63 days -42.2%126 days -45.9%

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window Insiders Total Score 21 days63 days126 days Status
2026-07-22 → 2026-08-06 6 $363.3K 80 -7.5%–– active
2022-10-06 → 2022-10-07 4 $320.5K 70 +7.4%+53.3%+7.0% closed
2022-02-17 → 2022-02-18 3 $190.5K 64 +2.7%-5.2%+8.3% closed