Michael I Schaffer is VP of Laboratory Operations of PSYCHEMEDICS CORP. Currently has a direct ownership of 36,489 shares of PMD, which is worth approximately $84,654. The most recent transaction as insider was on May 22, 2023, when has been sold 375 shares (Common Stock, $.005 Par Value) at a price of $4.93 per share, resulting in proceeds of $1,848. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 36.5K
0% 3M change
0% 12M change
Total Value Held $84,654

MICHAEL I SCHAFFER Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 22 2023
SELL
Payment of exercise price or tax liability
$1,848 $4.93 p/Share
375 Reduced 1.02%
36,489 Common Stock, $.005 Pa...
May 15 2023
SELL
Payment of exercise price or tax liability
$1,641 $4.87 p/Share
337 Reduced 0.91%
36,864 Common Stock, $.005 Pa...
Dec 16 2022
BUY
Open market or private purchase
$495 $4.95 p/Share
100 Added 0.27%
37,201 Common Stock, $.005 Pa...
Nov 11 2022
SELL
Payment of exercise price or tax liability
$3,244 $6.18 p/Share
525 Reduced 1.4%
37,101 Common Stock, $.005 Pa...
May 20 2022
BUY
Grant, award, or other acquisition
-
5,000 Added 11.73%
37,626 Common Stock, $.005 Pa...
May 13 2022
SELL
Payment of exercise price or tax liability
$2,170 $6.44 p/Share
337 Reduced 1.02%
32,626 Common Stock, $.005 Pa...
Nov 12 2021
SELL
Payment of exercise price or tax liability
$5,202 $8.5 p/Share
612 Reduced 1.83%
32,883 Common Stock, $.005 Pa...
May 13 2021
BUY
Grant, award, or other acquisition
-
4,500 Added 11.84%
33,495 Common Stock, $.005 Pa...
Nov 18 2020
BUY
Open market or private purchase
$2,100 $4.2 p/Share
500 Added 1.84%
26,669 Common Stock, $.005 Pa...
Nov 11 2020
BUY
Grant, award, or other acquisition
-
7,000 Added 21.1%
26,169 Common Stock, $.005 Pa...
MIS

Michael I Schaffer

VP of Laboratory Operations
Acton, MA

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