// company-profile
Alpha Pro Tech Ltd
APTExchangeNYSESectorOrthopedic, Prosthetic & Surgical Appliances & SuppliesInc.DEFilings43Insiders8
// api This Alpha Pro Tech Ltd insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Alpha Pro Tech Ltd insiders bought $40K (7 transactions) and sold $216K (7 transactions).
- Most active insider: Garcia David R with 9 transactions totaling $103K.
- Largest single sale: $34K by Garcia David R on May 15, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Alpha Pro Tech Ltd as of 2026-03-31
Total reported AUM
$17.4M
QoQ change
+38.2%
Reporting period
2026-03-31
#1
NEEDHAM INVESTMENT MANAGEMENT LLC
CIK 1167212
$2.9M
643K shares
#2
CITADEL ADVISORS LLC
CIK 1423053
$2.6M
588K shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$2.5M
554K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 19, 2026 | Garcia David R | APT | Option Exercise | 3,093 | $0.00 | $0K |
| May 19, 2026 | Garcia David R | APT | Option Exercise | 3,093 | $0.00 | $0K |
| May 15, 2026 | Garcia David R | APT | Option Exercise | 4,900 | $4.23 | $21K |
| May 15, 2026 | Garcia David R | APT | Option Exercise | 1,634 | $0.00 | $0K |
| May 15, 2026 | Garcia David R | APT | Option Exercise | 1,633 | $0.00 | $0K |
45 more transactions hidden
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