SCHAFFER MICHAEL I

VP of Laboratory Operations at PSYCHEMEDICS CORP · on record since May 15, 2006

Insider trading activity of SCHAFFER MICHAEL I

Transactions on record: 79; since May 21, 2004

Open-market buys: 3; $52.6K

Open-market sells: 10; $469.3K

Companies traded: 1; last filing May 24, 2023

Figures computed from official regulatory filings — .

Companies where SCHAFFER MICHAEL I has traded

PSYCHEMEDICS CORP79 tx · $1.3M · May 24, 2023

Track record of SCHAFFER MICHAEL I

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of SCHAFFER MICHAEL I

Co-insiders of SCHAFFER MICHAEL I

ALLEN A CLINTONPSYCHEMEDICS CORP
Chmieleski JenniferPSYCHEMEDICS CORP
CHRISTOPH RICHARD TPSYCHEMEDICS CORP
Compton Jonathan DPSYCHEMEDICS CORP
CONNICK HARRY F SRPSYCHEMEDICS CORP
DAUSEY WILLIAMPSYCHEMEDICS CORP
Davis Robyn CPSYCHEMEDICS CORP
Doucot Charles MPSYCHEMEDICS CORP
Dyke James V.PSYCHEMEDICS CORP
Harty Thomas MPSYCHEMEDICS CORP
HUIZENGA H WAYNEPSYCHEMEDICS CORP
Hullinger BrianPSYCHEMEDICS CORP
KAMIN PETER HPSYCHEMEDICS CORP
KUBACKI RAYMOND C JRPSYCHEMEDICS CORP
Lerner NeilPSYCHEMEDICS CORP
Limbek AndrewPSYCHEMEDICS CORP
Lindsay Richard AdamPSYCHEMEDICS CORP
Mehalik DaniellaPSYCHEMEDICS CORP
MONSON PETER CPSYCHEMEDICS CORP
NEVIN DARIUS GPSYCHEMEDICS CORP
Norris William B.PSYCHEMEDICS CORP
PACP Jupiter LLCPSYCHEMEDICS CORP
POWELL ANDERSON CAPITAL LPPSYCHEMEDICS CORP
Powell Anderson Capital Partners LLCPSYCHEMEDICS CORP
Reynolds AndrewPSYCHEMEDICS CORP
Ruddy Raymond JPSYCHEMEDICS CORP
Shoemaker ShannonPSYCHEMEDICS CORP
THISTLE WILLIAM RPSYCHEMEDICS CORP
TOMENSON WALTER SPSYCHEMEDICS CORP
WEINERT FRED JPSYCHEMEDICS CORP
Weisenhoff MichaelPSYCHEMEDICS CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
PSYCHEMEDICS CORPListing on record	May 24, 2023	Other	-375	4.93 USD	$1.8K		SEC
PSYCHEMEDICS CORPListing on record	May 16, 2023	Other	-337	4.87 USD	$1.6K		SEC
PSYCHEMEDICS CORPListing on record	Dec 20, 2022	Buy	100	4.95 USD	$495	conv 42First in 12mo	SEC
PSYCHEMEDICS CORPListing on record	Nov 15, 2022	Other	-525	6.18 USD	$3.2K		SEC
PSYCHEMEDICS CORPListing on record	May 24, 2022	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 17, 2022	Other	-337	6.44 USD	$2.2K		SEC
PSYCHEMEDICS CORPListing on record	Nov 16, 2021	Other	-612	8.50 USD	$5.2K		SEC
PSYCHEMEDICS CORPListing on record	May 14, 2021	Award	4,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Nov 20, 2020	Buy	500	4.20 USD	$2.1K	conv 59ClusterFirst in 12mo	SEC
PSYCHEMEDICS CORPListing on record	Nov 13, 2020	AwardD (derivative)	2,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Nov 13, 2020	Award	7,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-3,900	9.61 USD	$37.5K		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-2,800	9.84 USD	$27.6K		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-2,631	9.82 USD	$25.8K		SEC
PSYCHEMEDICS CORPListing on record	May 7, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 2, 2019	Other	-124	11.60 USD	$1.4K		SEC
PSYCHEMEDICS CORPListing on record	Sep 10, 2018	Sell	-6,324	19.23 USD	$121.6K	Unusual size	SEC
PSYCHEMEDICS CORPListing on record	May 10, 2018	Other	-323	20.21 USD	$6.5K		SEC
PSYCHEMEDICS CORPListing on record	May 7, 2018	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 2, 2018	Other	-112	21.06 USD	$2.4K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-981	21.16 USD	$20.8K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-2,167	20.14 USD	$43.6K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-4,400	20.37 USD	$89.6K	Unusual size	SEC
PSYCHEMEDICS CORPListing on record	May 25, 2017	Other	-580	21.04 USD	$12.2K		SEC
PSYCHEMEDICS CORPListing on record	May 15, 2017	Sell	-3,000	20.43 USD	$61.3K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
PSYCHEMEDICS CORPListing on record	May 24, 2023	Other	-375	4.93 USD	$1.8K		SEC
PSYCHEMEDICS CORPListing on record	May 16, 2023	Other	-337	4.87 USD	$1.6K		SEC
PSYCHEMEDICS CORPListing on record	Dec 20, 2022	Buy	100	4.95 USD	$495	conv 42First in 12mo	SEC
PSYCHEMEDICS CORPListing on record	Nov 15, 2022	Other	-525	6.18 USD	$3.2K		SEC
PSYCHEMEDICS CORPListing on record	May 24, 2022	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 17, 2022	Other	-337	6.44 USD	$2.2K		SEC
PSYCHEMEDICS CORPListing on record	Nov 16, 2021	Other	-612	8.50 USD	$5.2K		SEC
PSYCHEMEDICS CORPListing on record	May 14, 2021	Award	4,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Nov 20, 2020	Buy	500	4.20 USD	$2.1K	conv 59ClusterFirst in 12mo	SEC
PSYCHEMEDICS CORPListing on record	Nov 13, 2020	AwardD (derivative)	2,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Nov 13, 2020	Award	7,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-3,900	9.61 USD	$37.5K		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-2,800	9.84 USD	$27.6K		SEC
PSYCHEMEDICS CORPListing on record	Jun 14, 2019	Sell	-2,631	9.82 USD	$25.8K		SEC
PSYCHEMEDICS CORPListing on record	May 7, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 2, 2019	Other	-124	11.60 USD	$1.4K		SEC
PSYCHEMEDICS CORPListing on record	Sep 10, 2018	Sell	-6,324	19.23 USD	$121.6K	Unusual size	SEC
PSYCHEMEDICS CORPListing on record	May 10, 2018	Other	-323	20.21 USD	$6.5K		SEC
PSYCHEMEDICS CORPListing on record	May 7, 2018	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PSYCHEMEDICS CORPListing on record	May 2, 2018	Other	-112	21.06 USD	$2.4K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-981	21.16 USD	$20.8K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-2,167	20.14 USD	$43.6K		SEC
PSYCHEMEDICS CORPListing on record	Sep 6, 2017	Sell	-4,400	20.37 USD	$89.6K	Unusual size	SEC
PSYCHEMEDICS CORPListing on record	May 25, 2017	Other	-580	21.04 USD	$12.2K		SEC
PSYCHEMEDICS CORPListing on record	May 15, 2017	Sell	-3,000	20.43 USD	$61.3K		SEC