Key facts
- PMDI - PSYCHEMEDICS CORP has 17 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are not currently available.
Insider Transactions Reported by 17 Insiders of PSYCHEMEDICS CORP
- Symbol
- PMDI on OTC
- Location
- Acton, MA
Change
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Research use
- 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.
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 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 22 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
PSYCHEMEDICS CORP executives and other stock owners filed with the SEC include:
Top shareholders of PSYCHEMEDICS CORP (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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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 |
|---|---|---|---|---|---|---|---|---|
| Kamin Peter |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
1,736,741
|
$4,081,342 | — | 10 Dec 2024 | |
| Powell Anderson Capital Partners LLC |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
614,406
|
$1,148,939 | — | 13 Dec 2024 | |
| Raymond C. Kubacki Jr. |
3/4/5
|
Chairman, CEO & President, Director |
—
class O/S missing
|
246,737
|
$1,149,794 | — | 22 May 2023 | |
| Harry F. Connick Sr. |
3/4/5
|
Director |
—
class O/S missing
|
90,112
|
$419,922 | — | 13 May 2021 | |
| Walter S. Tomenson |
3/4/5
|
Director |
—
class O/S missing
|
74,399
|
$346,699 | — | 20 May 2022 | |
| Fred J. Weinert |
3/4/5
|
Director |
—
class O/S missing
|
71,583
|
$333,577 | — | 20 May 2022 | |
| Robyn C. Davis |
3/4/5
|
Director |
—
class O/S missing
|
39,000
|
$181,740 | — | 17 Aug 2023 | |
| Michael I. Schaffer |
3/4/5
|
VP of Laboratory Operations |
—
class O/S missing
|
36,489
|
$170,039 | — | 22 May 2023 | |
| Andrew Reynolds |
3/4/5
|
Director |
—
class O/S missing
|
28,000
|
$130,480 | — | 17 Aug 2023 | |
| Charles M. Doucot |
3/4/5
|
Executive Vice President |
—
class O/S missing
|
23,250
|
$108,345 | — | 17 Aug 2023 | |
| Darius G. Nevin |
3/4/5
|
Director, Other* |
—
class O/S missing
|
23,000
|
$107,180 | — | 17 Aug 2023 | |
| Andrew Limbek |
3/4/5
|
Vice President & Controller |
—
class O/S missing
|
13,863
|
$64,602 | — | 20 May 2022 | |
| Michael Weisenhoff |
3/4/5
|
Assistant Controller |
—
class O/S missing
|
4,000
|
$18,640 | — | 17 Aug 2023 | |
| Brian Hullinger |
3/4/5
|
President & CEO, Director |
—
class O/S missing
|
200,000
|
— | — | 17 Aug 2023 | |
| Shannon Shoemaker |
3/4/5
|
Chief Revenue Officer |
—
class O/S missing
|
80,000
|
— | — | 21 Sep 2023 | |
| Daniella Mehalik |
3/4/5
|
Vice President - Finance |
—
class O/S missing
|
70,000
|
— | — | 22 Jan 2024 |
Recent Insider Transactions by Companies or Individuals for PSYCHEMEDICS CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* An asterisk sign (*) next to the price indicates that the price is likely invalid.