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
Arch Venture Partners XIII LLC
Kardigan Inc
Arch Venture Partners XIII LP
Arch Venture Fund XIII LP
View All
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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