Quick Takeaways
- APT - ALPHA PRO TECH LTD has 9 insiders with reported activity on this page.
- Net insider value flow over the last year: -$101,685.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 9 Insiders of ALPHA PRO TECH LTD
- Symbol
- APT on NYSE
- Location
- Aurora
What Changed
- Buy value: ; sell value: $101,685.
- Net share flow: -21,153.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$101,685.
Buys
$0
Shares: 0
Insiders: 0
Sells
$101,685
Shares: 21,153
Insiders: 2
Net
-$101,685
Shares: -21,153
Insiders: -2
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 7,000 | $0 | $34,109 | -$34,109 |
| 3-6 | 0 | 4,740 | $0 | $21,851 | -$21,851 |
| 6-9 | 0 | 9,413 | $0 | $45,725 | -$45,725 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
ALPHA PRO TECH LTD executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Donna Millar | Director, 10%+ Owner | $4,704,563 | Mixed | 18 Mar 2024 | ||
| Lloyd Hoffman | CEO AND PRESIDENT, Director | $1,188,144 | Mixed | 05 Jan 2026 | ||
| Colleen J. Mcdonald | Cfo | $346,165 | Filing P/S | 21 Mar 2024 | ||
| Charles D. Montgomery | Director | $304,685 | Mixed | 14 Mar 2024 | ||
| Dr. John Ritota | Director | $260,817 | -$34,109 | -12% | Mixed | 16 Mar 2026 |
| Russell Manock | Director | $191,909 | Mixed | 23 Sep 2022 | ||
| David R. Garcia | Director | $95,677 | Mixed | 29 Sep 2025 | ||
| Benjamin A. Shaw | Director | $50,118 | Mixed | 29 Sep 2025 | ||
| James Buchan | Director | $25,885 | -$67,576 | -72% | Filing P/S | 05 Dec 2025 |
Top shareholders of ALPHA PRO TECH LTD (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Donna Millar |
13D/G
3/4/5
|
Millar Donna · Director, 10%+ Owner |
12%
|
1,284,603
|
$5,356,795 | $0 | 13 Dec 2018 | |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13D/G
13F
|
NEEDHAM INVESTMENT MANAGEMENT L.L.C. · Company |
6.2%
|
642,500
|
$3,026,175 | $0 | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.9%
|
609,067
|
$2,704,258 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
5%
|
522,972
|
$2,321,996 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
2.6%
|
270,409
|
$1,200,615 | — | 31 Dec 2025 | |
| Lloyd Hoffman |
3/4/5
|
CEO AND PRESIDENT, Director |
2.5%
|
255,515
|
$1,188,144 | — | 05 Jan 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.3%
|
137,335
|
$609,767 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
1.3%
|
133,352
|
$591,000 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.9%
|
92,872
|
$412,478 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.76%
|
78,525
|
$348,651 | — | 31 Dec 2025 | |
| Colleen J. Mcdonald |
3/4/5
|
CFO |
—
class O/S missing
|
55,833
|
$346,165 | — | 21 Mar 2024 | |
| Charles D. Montgomery |
3/4/5
|
Director |
—
class O/S missing
|
84,167
|
$304,685 | — | 14 Mar 2024 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.66%
|
68,311
|
$303,301 | — | 31 Dec 2025 | |
| Dr. John Ritota |
3/4/5
|
Director |
0.51%
|
53,355
|
$260,817 | -$34,109 | 16 Mar 2026 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.56%
|
58,309
|
$258,892 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.45%
|
46,957
|
$208,489 | — | 31 Dec 2025 | |
| Russell Manock |
3/4/5
|
Director |
—
mixed-class rows
|
44,313
mixed-class rows
|
$191,909 | — | 23 Sep 2022 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.33%
|
34,375
|
$152,625 | — | 31 Dec 2025 | |
| NewEdge Advisors, LLC |
13F
|
Company |
0.32%
|
32,814
|
$145,694 | — | 31 Dec 2025 | |
| Pinnacle Financial Partners, Inc. |
13F
|
Company |
0.24%
|
25,000
|
$111,000 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.23%
|
23,480
|
$104,251 | — | 31 Dec 2025 | |
| David R. Garcia |
3/4/5
|
Director |
0.19%
|
19,768
|
$95,677 | — | 29 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.21%
|
21,351
|
$94,798 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.17%
|
18,074
|
$80,249 | — | 31 Dec 2025 | |
| CALDWELL SUTTER CAPITAL, INC. |
13F
|
Company |
0.16%
|
16,236
|
$72,088 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.15%
|
16,000
|
$72,000 | — | 31 Dec 2025 | |
| Benjamin A. Shaw |
3/4/5
|
Director |
0.1%
|
10,355
|
$50,118 | — | 29 Sep 2025 | |
| JAMES INVESTMENT RESEARCH, INC. |
13F
|
Company |
0.11%
|
11,050
|
$49,062 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.08%
|
8,766
|
$38,921 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.06%
|
6,612
|
$29,357 | — | 31 Dec 2025 | |
| James Buchan |
3/4/5
|
Director |
0.05%
|
5,615
|
$25,885 | -$67,576 | 05 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.03%
|
3,000
|
$13,320 | — | 31 Dec 2025 | |
| Federation Des Caisses Desjardins du Quebec |
13F
|
Individual |
0.01%
|
1,500
|
$6,660 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
1,146
|
$5,088 | — | 31 Dec 2025 | |
| Garton & Associates Financial Advisors LLC |
13F
|
Company |
0.01%
|
1,000
|
$4,440 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.01%
|
606
|
$2,691 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0%
|
426
|
$1,891 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
251
|
$1,114 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
76
|
$337 | — | 31 Dec 2025 | |
| TD Waterhouse Canada Inc. |
13F
|
Company |
0%
|
40
|
$176 | — | 31 Dec 2025 | |
| Archer Investment Corp |
13F
|
Company |
0%
|
39
|
$173 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0%
|
13
|
$58 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
11
|
$49 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for ALPHA PRO TECH LTD
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Dr. John Ritota | APT | Common Stock | Sale | -5.18% | $11,165 | $4.94 | -2,260 | 41,355 | 17 Mar 2026 | Direct |
| Dr. John Ritota | APT | Common Stock | Sale | -9.8% | $22,944 | $4.84 | -4,740 | 43,615 | 16 Mar 2026 | Direct |
| Lloyd Hoffman | APT | Common stock | Award | 5.11% | 12,425 | 255,515 | 05 Jan 2026 | Direct | ||
| James Buchan | APT | Common Stock | Sale | -45.8% | $21,851 | $4.61 | -4,740 | 5,615 | 05 Dec 2025 | Direct |
| Dr. John Ritota | APT | Common Stock | Award | 13.1% | 5,615 | 48,355 | 29 Sep 2025 | Direct | ||
| James Buchan | APT | Common Stock | Award | 118.5% | 5,615 | 10,355 | 29 Sep 2025 | Direct | ||
| Benjamin A. Shaw | APT | common stock | Award | 118.5% | 5,615 | 10,355 | 29 Sep 2025 | Direct | ||
| David R. Garcia | APT | common stock | Award | 39.7% | 5,615 | 19,768 | 29 Sep 2025 | Direct | ||
| James Buchan | APT | Common Stock | Sale | -66.5% | $45,725 | $4.86 | -9,413 | 4,740 | 09 Sep 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.