Form 4 holding
VP of Laboratory Operations
PSYCHEMEDICS CORP
- Security class
- Common Stock, $.005 Par Value
- Shares / value
- 36,489
- Estimated value
- $170,039
- Report date
- 22 May 2023
- Price
- $4.66
- Ownership
- Direct
Michael I. Schaffer
Insider Reports History
- Reporting-owner location
- Cambridge, MA
- Latest reporting-owner signature
-
Patrick J. Kinney, Jr. as attorney-in-fact for Michael I. Schaffer
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Michael I. Schaffer
Insider Reports Filed by Michael I. Schaffer
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 22 May 2023
- Transactions
- 1
- Transaction value
- -$1,849
- Accepted by SEC
- 24 May 2023, 18:28
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 15 May 2023
- Transactions
- 1
- Transaction value
- -$1,641
- Accepted by SEC
- 16 May 2023, 18:18
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 16 Dec 2022
- Transactions
- 1
- Transaction value
- +$495
- Accepted by SEC
- 20 Dec 2022, 15:42
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 11 Nov 2022
- Transactions
- 1
- Transaction value
- -$3,244
- Accepted by SEC
- 15 Nov 2022, 15:59
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 20 May 2022
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 24 May 2022, 17:38
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 13 May 2022
- Transactions
- 1
- Transaction value
- -$2,170
- Accepted by SEC
- 17 May 2022, 16:06
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 12 Nov 2021
- Transactions
- 1
- Transaction value
- -$5,202
- Accepted by SEC
- 16 Nov 2021, 15:26
- Role
- VP of Laboratory Operations
- Next action
- Open filing details
4
PMDI
PSYCHEMEDICS CORP
- Report period
- 13 May 2021
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 14 May 2021, 18:02
- Role
- VP of Laboratory Operations
- Next action
- Open filing details