SEC Insider Transactions from Brandenberger Ralph.

Last updated: 2026-03-14 10:06 UTC | Total transactions: 12

Brandenberger Ralph has filed 12 insider transactions across 1 company since January 2024.

Most recent transaction: a sale of 7447 shares of Nkarta, Inc. ($NKTX) on January 15, 2025.

Activity breakdown: 0 open-market purchases and 4 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
Jan. 15, 2025 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer S Common Stock 7447 $2.20 124,796.0000 67,865,323 5.63% 0.01%
Jan. 3, 2025 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer A Common Stock 52500 $0.00 132,243.0000 67,865,323 65.84% 0.08%
Jan. 3, 2025 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer A Stock Option (right to buy) 105000 $0.00 105,000.0000 67,865,323 9999.99% 0.15%
June 18, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer S Common Stock 229 $5.60 79,743.0000 49,014,300 0.29% 0.00%
March 1, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer M Common Stock 3808 $3.89 85,384.0000 49,014,300 4.67% 0.01%
March 1, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer M Common Stock 2955 $3.89 88,339.0000 49,014,300 3.46% 0.01%
March 1, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer S Common Stock 8367 $12.51 79,972.0000 49,014,300 9.47% 0.02%
March 1, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer M Stock Option (right to buy) 3808 $0.00 22,445.0000 49,014,300 14.51% 0.01%
March 1, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer M Stock Option (right to buy) 2955 $0.00 25,629.0000 49,014,300 10.34% 0.01%
Jan. 16, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer S Common Stock 2512 $8.74 81,576.0000 49,014,300 2.99% 0.01%
Jan. 4, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer A Common Stock 56000 $0.00 84,088.0000 49,014,300 199.37% 0.11%
Jan. 4, 2024 Nkarta, Inc. $NKTX Brandenberger Ralph Chief Technical Officer A Stock Option (right to buy) 112500 $0.00 112,500.0000 49,014,300 9999.99% 0.23%