Nelsen Robert

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Nelsen Robert
CIK #0001219042
EDGAR Form CIK 2011 - 2026
3 [0001219042]
4 [0001219042]
Form 3/4/5 Subject 2011 - 2026
Bybee Clinton
Burow Kristina
Nelsen Robert
Gillis Steven
Boundless Bio Inc
Crandell Keith
Kardigan Inc
Prime Medicine Inc
Sana Biotechnology Inc
Lyell Immunopharma Inc
Arch Venture Partners IX LLC
Arch Venture Partners IX Overage LP
Arch Venture Fund IX Overage LP
Arch Venture Partners IX LP
Arch Venture Fund IX LP
Arch Venture Partners X LLC
Maze Therapeutics Inc
Arch Venture Fund X Overage LP
Arch Venture Partners X Overage LP
Rapport Therapeutics Inc
Erasca Inc
Beam Therapeutics Inc
Denali Therapeutics Inc
908 Devices Inc
Quanterix Corp
Q32 Bio Inc
Gossamer Bio Inc
Twist Bioscience Corp
Scholar Rock Holding Corp
Agios Pharmaceuticals Inc
Impinj Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Lyell Immunopharma Inc LYEL
Common Stock
2026-03-06 Buy 488,090 $25.61 12,499,985
Metsera Inc MTSR
Common Stock
2025-11-13 Disposed to issuer 18,503,128
Metsera Inc MTSR
Common Stock
2025-11-13 Disposed to issuer 8,313,680
Neumora Therapeutics Inc NMRA
Common Stock
2025-10-27 Buy 1,915,700 $2.61 4,999,977
Prime Medicine Inc PRME
Stock Option (right to buy) · derivative
2025-08-01 Disposed to issuer 45,000
Prime Medicine Inc PRME
Common Stock
2025-08-01 Buy 3,030,300 $3.30 9,999,990
Prime Medicine Inc PRME
Stock Option (right to buy) · derivative
2025-08-01 Disposed to issuer 39,062
Prime Medicine Inc PRME
Stock Option (right to buy) · derivative
2025-08-01 Grant 45,000
Prime Medicine Inc PRME
Stock Option (right to buy) · derivative
2025-08-01 Grant 39,062
Sana Biotechnology Inc SANA
Stock Option (Right to Buy) · derivative
2025-06-05 Grant 80,000 $0.00
Prime Medicine Inc PRME
Stock Option (right to buy) · derivative
2025-06-04 Grant 55,000 $0.00
Metsera Inc MTSR
Common Stock
2025-02-03 Conversion 7,523,682
Metsera Inc MTSR
Common Stock
2025-02-03 Buy 789,998 $18.00 14,219,964
Metsera Inc MTSR
Series Seed Preferred Stock · derivative
2025-02-03 Conversion 19,933,333
Metsera Inc MTSR
Series B Convertible Preferred Stock · derivative
2025-02-03 Conversion 2,678,571
Metsera Inc MTSR
Series A Convertible Preferred Stock · derivative
2025-02-03 Conversion 15,000,000
Metsera Inc MTSR
Common Stock
2025-02-03 Buy 1,432,224 $18.00 25,780,032
Metsera Inc MTSR
Series A Convertible Preferred Stock · derivative
2025-02-03 Conversion 15,000,000
Metsera Inc MTSR
Common Stock
2025-02-03 Conversion 16,006,949
Metsera Inc MTSR
Series B Convertible Preferred Stock · derivative
2025-02-03 Conversion 2,678,571
showing 20 of 200 most recent transactions
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