Harper Sean E

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Harper Sean E
CIK #0001541946
EDGAR Form CIK 2011 - 2026
3 [0001541946]
4 [0001541946]
Form 3/4/5 Subject 2011 - 2026
Westlake BioPartners Opportunity GP I LLC
Westlake BioPartners Opportunity Fund I LP
Kyverna Therapeutics Inc
Westlake BioPartners Fund I LP
Westlake BioPartners GP I LLC
Harper Sean E
Westlake BioPartners GP II LLC
Acelyrin Inc
Westlake BioPartners Fund II LP
Amgen Inc
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Kyverna Therapeutics Inc KYTX
Common Stock
2024-02-12 Conversion 3,787,940
Kyverna Therapeutics Inc KYTX
Common Stock
2024-02-12 Conversion 735,984
Kyverna Therapeutics Inc KYTX
Series A-2 Redeemable Convertible Preferred Stock · derivative
2024-02-12 Conversion 8,830,901 $0.00
Kyverna Therapeutics Inc KYTX
Series B Redeemable Convertible Preferred Stock · derivative
2024-02-12 Conversion 4,006,624 $0.00
Kyverna Therapeutics Inc KYTX
Series B Redeemable Convertible Preferred Stock · derivative
2024-02-12 Conversion 3,349,538 $0.00
Kyverna Therapeutics Inc KYTX
Series A-1 Redeemable Convertible Preferred Stock · derivative
2024-02-12 Conversion 4,401,771 $0.00
Acelyrin Inc SLRN
Common Stock
2023-05-09 Conversion 8,540,729
Acelyrin Inc SLRN
Common Stock
2023-05-09 Buy 1,250,000 $18.00 22,500,000
Acelyrin Inc SLRN
Series A Redeemable Convertible Preferred Stock · derivative
2023-05-09 Conversion 4,056,795
Acelyrin Inc SLRN
Series B Redeemable Convertible Preferred Stock · derivative
2023-05-09 Conversion 2,445,786
Acelyrin Inc SLRN
Series C Redeemable Convertible Preferred Stock · derivative
2023-05-09 Conversion 2,038,148
Amgen Inc AMGN
Common Stock
2018-07-16 Sell 1,525 $195.71 298,458
Amgen Inc AMGN
Common Stock
2018-06-12 Sell 1,525 $184.27 281,012
Amgen Inc AMGN
Common Stock
2018-05-14 Sell 1,525 $174.10 265,502
Amgen Inc AMGN
Common Stock
2018-05-03 Tax withheld 736 $169.43 124,700
Amgen Inc AMGN
Nqso (Right to Buy) · derivative
2018-04-27 Grant 34,702 $0.00
Amgen Inc AMGN
Common Stock
2018-04-27 Grant 4,508 $0.00
Amgen Inc AMGN
Common Stock
2018-04-12 Sell 1,525 $172.68 263,337
Amgen Inc AMGN
Common Stock
2018-03-23 Tax withheld 7,549 $176.08 1,329,228
Amgen Inc AMGN
Common Stock
2018-03-16 Sell 1,525 $189.75 289,369
showing 20 of 90 most recent transactions
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