APT
ALPHA PRO TECH LTD · Manufacturing · Market cap $56.4M
Insiders sold $298K net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed Sep 30, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$417K
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Oct 1, 2026
MONTGOMERY CHARLES D
ALPHA PRO TECH LTD (APT) has 20 SEC Form 4 filings (37 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Oct 1, 2026.
Inside the rolling window, 5 insiders at ALPHA PRO TECH LTD reported no open-market purchases and 9 open-market sales totaling $417K. The most active filer is Director MONTGOMERY CHARLES D with 3 filings. Insiders have net sold $361K over the trailing 6 months. The most recent open-market filing is a sale of 21,943 shares by Director MONTGOMERY CHARLES D, dated Sep 28, 2026, worth $111K.
- Industry:Industrial - Specialties
- CEO:Lloyd Hoffman
- Employees:122
- HQ:Aurora, ON, CA
- IPO:1999-02-16
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 21,943 | $111K | Sep 30 | +8.0% | SEC ↗ | |
MONTGOMERY CHARLES DFirst in 5 months | Director | Sale | 3,886 | $27K | Sep 30 | +8.0% | SEC ↗ |
MONTGOMERY CHARLES DFirst in 5 months | Director | Sale | 20,000 | $125K | Sep 30 | +8.0% | SEC ↗ |
Millar DonnaFirst filing | Director, 10% Owner | Sale | 6,971 | $35K | Sep 30 | +8.0% | SEC ↗ |
| Director | Sale | 6,186 | $34K | May 19 | -8.1% | SEC ↗ | |
Garcia David RFirst filing | Director | Sale | 4,900 | $29K | May 18 | -10.8% | SEC ↗ |
RITOTA JOHNFirst filing | Director | Sale | 4,740 | $23K | Mar 18 | — | SEC ↗ |
RITOTA JOHNFirst filing | Director | Sale | 2,260 | $11K | Mar 18 | — | SEC ↗ |
Buchan JamesFirst filing | Director | Sale | 4,740 | $22K | Dec 8 | — | SEC ↗ |
Congress trading APT 1 all-time
- RRep. Mo BrooksPurchase$1,001 - $15,0002019-02-14
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does APT have?
ALPHA PRO TECH LTD (APT) has 20 SEC Form 4 filings (37 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Oct 1, 2026.
When was the most recent SEC Form 4 filing for APT?
The most recent Form 4 filing for APT on Tracefour is dated Oct 1, 2026.
Who is the most active insider at APT?
The most active SEC Form 4 filer at APT in the rolling window is Director MONTGOMERY CHARLES D, with 3 filings.
What is the net insider flow at APT over the last 6 months?
Over the trailing 180 days, insiders at APT have net sold $361K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at APT in the current window?
Inside the rolling window, insiders at APT bought $0 and sold $417K based on SEC Form 4 filings.
Can I get alerts for APT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ALPHA PRO TECH LTD (APT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
ALPHA PRO TECH LTD is in the Manufacturing sector.