Black Maria Insider Trading Activity

Corporate InsiderCEO · CIK 1608466

27

Total trades

$9.4M

Total volume

Jan 5, 2026

Last activity

ADP

AUTOMATIC DATA PROCESSING INC

Black Maria has been net-selling over the last 12 months with 0 purchases and 27 sales across 1 company.

ADP is the most-traded position with 27 trades. The largest single transaction was a sale of ADP for $2.0M on Sep 3, 2025.

Performance Scorecard

Forward stock performance after each transaction by Black Maria. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days+3.9%100%27
90 days+15.4%100%27
120 days+15.7%100%27

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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ADP · AUTOMATIC DATA PROCESSING INC

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEROLE
Jan 5, 2026ADPSell51$253.32$13KCEO
Jan 5, 2026ADPSell56$255.73$14KCEO
Jan 5, 2026ADPSell71$254.95$18KCEO
Jan 5, 2026ADPSell98$258.77$25KCEO
Jan 5, 2026ADPSell145$257.24$37KCEO
Jan 5, 2026ADPSell294$258.09$76KCEO
Sep 3, 2025ADPSell7$299.71$2KCEO
Sep 3, 2025ADPSell60$299.86$18KCEO
Sep 3, 2025ADPSell100$299.98$30KCEO
Sep 3, 2025ADPSell200$299.28$60KCEO
Sep 3, 2025ADPSell316$296.38$94KCEO
Sep 3, 2025ADPSell631$298.24$188KCEO
Sep 3, 2025ADPSell677$297.37$201KCEO
Sep 3, 2025ADPSell845$296.36$250KCEO
Sep 3, 2025ADPSell909$298.95$272KCEO
Sep 3, 2025ADPSell1,052$298.82$314KCEO
Sep 3, 2025ADPSell1,159$298.08$345KCEO
Sep 3, 2025ADPSell1,176$298.11$351KCEO
Sep 3, 2025ADPSell1,300$299.40$389KCEO
Sep 3, 2025ADPSell1,362$299.19$407KCEO
Sep 3, 2025ADPSell2,315$297.85$690KCEO
Sep 3, 2025ADPSell4,307$298.32$1.3MCEO
Sep 3, 2025ADPSell6,689$298.52$2.0MCEO
Sep 2, 2025ADPSell638$302.02$193KCEO
Sep 2, 2025ADPSell1,678$301.29$506KCEO
Sep 2, 2025ADPSell2,228$299.58$667KCEO
Sep 2, 2025ADPSell3,177$299.04$950KCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
ADPAUTOMATIC DATA PROCESSING INC27$9.4M

Other insiders at AUTOMATIC DATA PROCESSING INC

5 other tracked filers at ADP.