SEC Insider Transactions from Rosenbaum David P..

Last updated: 2026-03-14 10:56 UTC | Total transactions: 28

Rosenbaum David P. has filed 28 insider transactions across 1 company since January 2024.

Most recent transaction: a sale of 4941 shares of ARDELYX, INC. ($ARDX) on November 20, 2024.

Activity breakdown: 0 open-market purchases and 18 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
Nov. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 4941 $4.79 525,970.0000 0 0.93% 0.00%
Nov. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 2243 $4.79 525,970.0000 0 0.42% 0.00%
Nov. 6, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Common Stock 27171 $2.32 560,325.0000 0 5.10% 0.00%
Nov. 6, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 27171 $6.10 533,154.0000 0 4.85% 0.00%
Nov. 6, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Stock Option (Right to Buy) 27171 $0.00 0.0000 0 100.00% 0.00%
Nov. 4, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Common Stock 27172 $2.32 560,326.0000 0 5.10% 0.00%
Nov. 4, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 27172 $5.95 533,154.0000 0 4.85% 0.00%
Nov. 4, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Stock Option (Right to Buy) 27172 $2.32 27,171.0000 0 50.00% 0.00%
Sept. 27, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 49564 $6.92 533,154.0000 0 8.51% 0.00%
Sept. 13, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 5312 $6.26 582,718.0000 0 0.90% 0.00%
Aug. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 4969 $5.86 585,354.0000 0 0.84% 0.00%
Aug. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 2250 $5.86 585,354.0000 0 0.38% 0.00%
Aug. 16, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 20000 $5.94 592,573.0000 0 3.26% 0.00%
Aug. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Common Stock 20507 $0.99 613,080.0000 0 3.46% 0.00%
Aug. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 20507 $6.00 592,573.0000 0 3.34% 0.00%
Aug. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer M Stock Option (Right to Buy) 20507 $0.00 49,806.0000 0 29.17% 0.00%
June 3, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 17872 $7.00 612,573.0000 0 2.83% 0.00%
May 21, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 4855 $7.81 630,445.0000 0 0.76% 0.00%
May 21, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 2198 $7.81 630,445.0000 0 0.35% 0.00%
Feb. 26, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 5183 $9.20 632,513.0000 0 0.81% 0.00%
Feb. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 5017 $8.75 637,696.0000 0 0.78% 0.00%
Feb. 20, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 2294 $8.75 637,696.0000 0 0.36% 0.00%
Feb. 8, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 15344 $9.18 645,007.0000 0 2.32% 0.00%
Jan. 16, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer A Common Stock 112750 $0.00 660,351.0000 0 20.59% 0.00%
Jan. 16, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer A Common Stock 70120 $0.00 660,351.0000 0 11.88% 0.00%
Jan. 16, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer A Stock Option (Right to Buy) 145000 $0.00 244,000.0000 0 146.46% 0.00%
Jan. 16, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer A Stock Option (Right to Buy) 99000 $0.00 244,000.0000 0 68.28% 0.00%
Jan. 8, 2024 ARDELYX, INC. $ARDX Rosenbaum David P. Chief Development Officer S Common Stock 30000 $6.64 477,481.0000 0 5.91% 0.00%