SEC Insider Transactions from Michael Gavin Constantine.

Last updated: 2026-03-16 14:58 UTC | Total transactions: 20

Michael Gavin Constantine has filed 20 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 37062 shares of Bakkt, Inc. ($BKKT) on March 18, 2024.

Activity breakdown: 0 open-market purchases and 1 sale.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 18, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 37062 $0.00 2,520,022.0000 0 1.49% 0.00%
March 18, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 211670 $0.00 2,482,960.0000 0 9.32% 0.00%
March 18, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 366188 $0.00 2,886,210.0000 0 14.53% 0.00%
March 18, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 1332456 $0.00 4,218,666.0000 0 46.17% 0.00%
Feb. 22, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 93591 $0.96 2,271,290.0000 0 3.96% 0.00%
Feb. 7, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 67198 $1.42 2,364,881.0000 0 2.76% 0.00%
Jan. 25, 2024 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 384734 $1.39 2,432,079.0000 0 13.66% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 91137 $0.00 3,155,051.0000 0 2.97% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 50400 $1.47 2,816,813.0000 0 1.76% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 520500 $0.00 3,063,914.0000 0 20.46% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 287838 $1.47 2,867,213.0000 0 9.12% 0.00%
Feb. 24, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 80000 $0.00 2,543,414.0000 0 3.25% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 520500 $0.00 3,063,914.0000 0 20.46% 0.00%
April 17, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 91137 $0.00 3,155,051.0000 0 2.97% 0.00%
Feb. 24, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 391645 $0.00 2,463,414.0000 0 18.90% 0.00%
Feb. 24, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 80000 $0.00 2,739,236.0000 0 3.01% 0.00%
Feb. 24, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President A Class A Common Stock 587467 $0.00 2,659,236.0000 0 28.36% 0.00%
Feb. 10, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 67198 $1.64 2,071,769.0000 0 3.14% 0.00%
Feb. 1, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President S Class A Common Stock 340002 $1.59 2,446,547.0000 0 12.20% 0.00%
Feb. 3, 2023 Bakkt, Inc. $BKKT Michael Gavin Constantine CEO and President F Class A Common Stock 307580 $2.00 2,138,967.0000 0 12.57% 0.00%