NewAmsterdam Pharma Co N.V. - NAMS

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Mar 12, 2026 S D 446.0 31.23 13,928.58 10,360.0 View
Mar 12, 2026 S D 44,173.0 30.41 1,343,300.93 10,806.0 View
Mar 10, 2026 X D 44,619.0 0.0 0.0 0.0 View
Mar 10, 2026 X A 44,619.0 11.5 513,118.5 54,979.0 View
Mar 10, 2026 S D 28,186.0 29.41 828,950.26 0.0 View
Mar 09, 2026 Chief Scientific Officer M D 101,409.0 0.0 0.0 520,229.0 View
Mar 09, 2026 Chief Scientific Officer M D 94,124.0 0.0 0.0 621,638.0 View
Mar 09, 2026 Chief Scientific Officer M D 104,467.0 0.0 0.0 715,762.0 View
Mar 09, 2026 Chief Scientific Officer S D 101,409.0 30.29 3,071,678.61 69,302.0 View
Mar 09, 2026 Chief Scientific Officer M A 101,409.0 170,711.0 View
Mar 09, 2026 Chief Scientific Officer S D 94,124.0 30.32 2,853,839.68 69,302.0 View
Mar 09, 2026 Chief Scientific Officer M A 94,124.0 163,426.0 View
Mar 09, 2026 Chief Scientific Officer S D 104,467.0 30.3 3,165,350.1 69,302.0 View
Mar 09, 2026 Chief Scientific Officer M A 104,467.0 173,769.0 View
Mar 02, 2026 Chief Executive Officer M D 443,707.0 0.0 0.0 239,267.0 View
Mar 02, 2026 Chief Executive Officer S D 443,707.0 33.25 14,753,257.75 174,144.0 View
Mar 02, 2026 Chief Executive Officer M A 443,707.0 617,851.0 View
Feb 26, 2026 Chief Executive Officer M D 183,332.0 0.0 0.0 682,974.0 View
Feb 26, 2026 Chief Executive Officer M D 58,253.0 0.0 0.0 866,306.0 View
Feb 26, 2026 Chief Executive Officer M D 64,708.0 0.0 0.0 924,559.0 View
Feb 26, 2026 Chief Executive Officer S D 17,924.0 34.44 617,302.56 174,144.0 View
Feb 26, 2026 Chief Executive Officer S D 165,408.0 33.63 5,562,671.04 477,783.0 View
Feb 26, 2026 Chief Executive Officer M A 183,332.0 643,191.0 View
Feb 26, 2026 Chief Executive Officer S D 1,300.0 36.68 47,684.0 459,859.0 View
Feb 26, 2026 Chief Executive Officer S D 10,436.0 35.96 375,278.56 461,159.0 View
Feb 26, 2026 Chief Executive Officer S D 46,517.0 35.11 1,633,211.87 471,595.0 View
Feb 26, 2026 Chief Executive Officer M A 58,253.0 518,112.0 View
Feb 26, 2026 Chief Executive Officer S D 3,161.0 36.46 115,250.06 459,859.0 View
Feb 26, 2026 Chief Executive Officer S D 61,547.0 36.13 2,223,693.11 463,020.0 View
Feb 26, 2026 Chief Executive Officer M A 64,708.0 524,567.0 View
Feb 24, 2026 Chief Scientific Officer S D 30,789.0 35.46 1,091,777.94 53,500.0 View
Feb 24, 2026 Chief Scientific Officer S D 14,692.0 35.0 514,220.0 84,289.0 View
Jan 29, 2026 Chief Accounting Officer M D 32,612.0 0.0 0.0 73,134.0 View
Jan 29, 2026 Chief Accounting Officer M D 39,816.0 0.0 0.0 105,746.0 View
Jan 29, 2026 Chief Accounting Officer S D 32,612.0 31.8 1,037,061.6 24,353.0 View
Jan 29, 2026 Chief Accounting Officer M A 32,612.0 10.9 355,470.8 56,965.0 View
Jan 29, 2026 Chief Accounting Officer S D 39,816.0 32.62 1,298,797.92 24,353.0 View
Jan 29, 2026 Chief Accounting Officer M A 39,816.0 10.9 433,994.4 64,169.0 View
Jan 27, 2026 Chief Accounting Officer M D 34,400.0 0.0 0.0 145,562.0 View
Jan 27, 2026 Chief Accounting Officer M D 38,172.0 0.0 0.0 179,962.0 View
Jan 27, 2026 Chief Accounting Officer S D 309.0 33.45 10,336.05 24,353.0 View
Jan 27, 2026 Chief Accounting Officer S D 34,091.0 32.77 1,117,162.07 24,662.0 View
Jan 27, 2026 Chief Accounting Officer M A 34,400.0 10.9 374,960.0 58,753.0 View
Jan 27, 2026 Chief Accounting Officer S D 12,767.0 34.37 438,801.79 24,353.0 View
Jan 27, 2026 Chief Accounting Officer S D 25,405.0 33.44 849,543.2 37,120.0 View
Jan 27, 2026 Chief Accounting Officer M A 38,172.0 10.9 416,074.8 62,525.0 View
Jan 22, 2026 Chief Financial Officer M D 39,784.0 0.0 0.0 662,814.0 View
Jan 22, 2026 Chief Financial Officer M D 60,216.0 0.0 0.0 702,598.0 View
Jan 22, 2026 Chief Financial Officer S D 24,362.0 33.8 823,435.6 58,382.0 View
Jan 22, 2026 Chief Financial Officer S D 15,422.0 33.25 512,781.5 82,744.0 View
Jan 22, 2026 Chief Financial Officer M A 39,784.0 9.26 368,399.84 98,166.0 View
Jan 22, 2026 Chief Financial Officer S D 19,604.0 32.38 634,777.52 58,382.0 View
Jan 22, 2026 Chief Financial Officer S D 39,712.0 31.78 1,262,047.36 77,986.0 View
Jan 22, 2026 Chief Financial Officer S D 900.0 30.64 27,576.0 117,698.0 View
Jan 22, 2026 Chief Financial Officer M A 60,216.0 9.26 557,600.16 118,598.0 View
Jan 09, 2026 Chief Executive Officer A A 364,000.0 0.0 0.0 364,000.0 View
Jan 09, 2026 Chief Executive Officer A A 81,000.0 459,859.0 View
Jan 09, 2026 Chief Executive Officer S D 11,582.0 378,859.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 10,360.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 10,360.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 10,360.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 10,360.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 14,260.0 View
Jan 09, 2026 A A 15,300.0 0.0 0.0 15,300.0 View
Jan 09, 2026 A A 3,400.0 10,360.0 View
Jan 07, 2026 Chief Financial Officer A A 115,000.0 0.0 0.0 115,000.0 View
Jan 07, 2026 Chief Financial Officer A A 25,500.0 58,382.0 View
Jan 07, 2026 Chief Financial Officer S D 5,118.0 33.25 170,173.5 32,882.0 View
Jan 07, 2026 Chief Accounting Officer A A 53,500.0 0.0 0.0 53,500.0 View
Jan 07, 2026 Chief Accounting Officer A A 12,000.0 24,353.0 View
Jan 07, 2026 Chief Accounting Officer S D 2,647.0 33.25 88,012.75 12,353.0 View
Jan 07, 2026 Chief Scientific Officer A A 115,000.0 0.0 0.0 115,000.0 View
Jan 07, 2026 Chief Scientific Officer A A 25,500.0 98,981.0 View
Jan 07, 2026 Chief Scientific Officer S D 6,000.0 33.25 199,500.0 73,481.0 View
Dec 29, 2025 Chief Accounting Officer M D 5,000.0 0.0 0.0 218,134.0 View
Dec 29, 2025 Chief Accounting Officer M D 38,872.0 0.0 0.0 140,015.0 View
Dec 29, 2025 Chief Accounting Officer M D 26,011.0 0.0 0.0 178,887.0 View
Dec 29, 2025 Chief Accounting Officer M D 75,117.0 0.0 0.0 204,898.0 View
Dec 29, 2025 Chief Accounting Officer S D 43,872.0 35.3 1,548,681.6 15,000.0 View
Dec 29, 2025 Chief Accounting Officer M A 5,000.0 10.9 54,500.0 58,872.0 View
Dec 29, 2025 Chief Accounting Officer M A 38,872.0 10.0 388,720.0 53,872.0 View
Dec 29, 2025 Chief Accounting Officer S D 26,011.0 35.68 928,072.48 15,000.0 View
Dec 29, 2025 Chief Accounting Officer M A 26,011.0 10.0 260,110.0 41,011.0 View
Dec 29, 2025 Chief Accounting Officer S D 75,117.0 36.21 2,719,986.57 15,000.0 View
Dec 29, 2025 Chief Accounting Officer M A 75,117.0 10.0 751,170.0 90,117.0 View