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Strome Mark E

In the past year, 4 open-market purchase filings worth $1.25M and 1 sale filing worth $895.0K.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$1.25M
4 filings
Sold
$895.0K
1 filing
Net
+$350.4K
Bought minus sold
Companies
2
With open-market trades

Trades

Every Form 4 that lists Strome Mark E as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ZIVO Zivo Bioscience, Inc.

10% Owner9 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 24, 2026 (view filing)6:16 PM ETApr 177 daysLateStrome Mark E and 2 others10% OwnerPPurchase+100.0K$2.00+$200.0K+21.1%572.9K after
Feb 17, 2026 (view filing)6:22 AM ETFeb 125 daysStrome Mark E and 2 others10% OwnerPPurchase+20.0K$9.77+$195.4K+4.4%472.9K after
Feb 17, 2026 (view filing)6:22 AM ETFeb 125 daysStrome Mark E and 2 others10% OwnerPPurchase+2.00K$0.00$0–45.1K afterDerivative
Oct 20, 2025 (view filing)4:19 PM ETOct 137 daysLateStrome Mark E and 2 others10% OwnerPPurchase+20.3K$12.34+$250.0K+4.7%452.9K after
Oct 20, 2025 (view filing)4:19 PM ETOct 137 daysLateStrome Mark E and 2 others10% OwnerPPurchase+2.02K$0.00$0–43.1K afterDerivative
Dec 31, 2024 (view filing)6:47 AM ETDec 265 daysLateStrome Mark E and 2 others10% OwnerPPurchase+75.0K$20.19+$1.51M+23.2%398.7K after
Dec 31, 2024 (view filing)6:47 AM ETDec 265 daysLateStrome Mark E and 2 others10% OwnerPPurchase+7.50K$0.00$0–44.2K afterDerivative
Oct 30, 2023 (view filing)5:01 PM ETJun 2, 2021880 daysLateStrome Mark E and 4 others10% OwnerPPurchase+40.0K$4.99+$199.6K+24.4%203.6K after
Oct 30, 2023 (view filing)5:01 PM ETJun 2, 2021880 daysLateStrome Mark E and 4 others10% OwnerPPurchase+40.0K$0.01+$400–40.0K afterDerivative

BEAT HeartBeam, Inc.

Director2 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 16, 2026 (view filing)Apr 16Same dayStrome Mark EDirectorPPurchase+750.0K$0.80+$600.0K+25.9%3.65M after
Dec 22, 2025 (view filing)Dec 175 daysLateStrome Mark E10% OwnerSSale−250.0K$3.58−$895.0K−7.9%2.90M after