SEC Insider Transactions from DiBiase Mary.

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

DiBiase Mary has filed 17 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 650000 shares of X4 Pharmaceuticals, Inc ($XFOR) on February 12, 2025.

Activity breakdown: 0 open-market purchases and 12 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
Feb. 12, 2025 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer A Common Stock 650000 $0.00 1,140,980.0000 201,062,211 132.39% 0.32%
Jan. 23, 2025 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer A Common Stock 61178 $0.00 513,238.0000 201,062,211 13.53% 0.03%
Jan. 24, 2025 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 22258 $0.45 490,980.0000 201,062,211 4.34% 0.01%
Oct. 4, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer A Common Stock 230645 $0.00 519,755.0000 6,695,509 79.78% 3.44%
Oct. 7, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 67695 $0.57 452,060.0000 6,695,509 13.02% 1.01%
Sept. 9, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 2642 $0.66 289,110.0000 177,812,480 0.91% 0.00%
March 11, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 15409 $0.88 291,752.0000 177,812,480 5.02% 0.01%
Feb. 13, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer A Stock Appreciation Right 428248 $0.00 428,248.0000 177,812,480 9999.99% 0.24%
Feb. 12, 2024 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 3683 $1.01 307,161.0000 177,812,480 1.18% 0.00%
Nov. 1, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 67695 $0.73 310,844.0000 63,525,845 17.88% 0.11%
Oct. 31, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer A Common Stock 230645 $0.00 378,539.0000 63,525,845 155.95% 0.36%
Sept. 8, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 2642 $1.25 147,894.0000 63,525,845 1.76% 0.00%
June 30, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 464 $1.89 150,536.0000 63,525,845 0.31% 0.00%
June 23, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 857 $1.93 151,000.0000 63,525,845 0.56% 0.00%
June 15, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 857 $2.23 151,857.0000 63,525,845 0.56% 0.00%
March 10, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 18192 $0.84 152,714.0000 63,525,845 10.64% 0.03%
Feb. 13, 2023 X4 Pharmaceuticals, Inc $XFOR DiBiase Mary Chief Operating Officer S Common Stock 4348 $0.93 170,906.0000 63,525,845 2.48% 0.01%