SEC Insider Transactions from Porter Mark.

Last updated: 2026-03-14 11:17 UTC | Total transactions: 18

Porter Mark has filed 18 insider transactions across 2 companies since January 2023.

Most recent transaction: a sale of 746 shares of Gitlab Inc. ($GTLB) on December 15, 2023.

Activity breakdown: 0 open-market purchases and 14 sales.

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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
Dec. 15, 2023 Gitlab Inc. $GTLB Porter Mark Director S Class A Common Stock 746 $64.00 10,281.0000 148,407,000 6.77% 0.00%
Dec. 18, 2023 Gitlab Inc. $GTLB Porter Mark Director S Class A Common Stock 625 $62.41 9,656.0000 148,407,000 6.08% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 834 $411.79 36,556.0000 69,906,586 2.23% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 900 $412.67 35,656.0000 69,906,586 2.46% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 400 $413.75 35,256.0000 69,906,586 1.12% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 200 $414.42 35,056.0000 69,906,586 0.57% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 100 $409.22 37,690.0000 69,906,586 0.26% 0.00%
July 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 300 $410.54 37,390.0000 69,906,586 0.80% 0.00%
June 29, 2023 Gitlab Inc. $GTLB Porter Mark Director A Class A Common Stock 3939 $0.00 11,027.0000 148,407,000 55.57% 0.00%
June 2, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 2669 $381.12 37,667.0000 69,906,586 6.62% 0.00%
May 9, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 2673 $250.00 40,336.0000 69,906,586 6.21% 0.00%
April 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 1000 $226.58 43,109.0000 69,906,586 2.27% 0.00%
April 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 100 $227.45 43,009.0000 69,906,586 0.23% 0.00%
April 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer A Class A Common Stock 2218 $0.00 43,846.0000 69,906,586 5.33% 0.00%
April 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer A Class A Common Stock 1063 $0.00 44,909.0000 69,906,586 2.42% 0.00%
April 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 800 $225.50 44,109.0000 69,906,586 1.78% 0.00%
March 24, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer A Class A Common Stock 14051 $0.00 41,628.0000 69,906,586 50.95% 0.02%
Jan. 3, 2023 MongoDB, Inc. $MDB Porter Mark Chief Technology Officer S Class A Common Stock 635 $187.72 27,577.0000 67,444,360 2.25% 0.00%