ALPN

ALPINE IMMUNE SCIENCES, INC.

Total Trades

21

Buys

3

Sells

11

Largest Trade

$1M+

Insiders

8

Institutional Funds

3

Inst. Value

$500K+

Activist Filings

38

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Topper James NDirectorSELL$1K–$15K19$64.57Apr 29, 2024
Rickey James PaulSee RemarksSELL$1M+118K$23.31Jan 30, 2024
Rickey James PaulSee RemarksEXERCISE$500K+118K$8.30Jan 30, 2024
GOLD MITCHELLExecutive Chairman…EXERCISE$500K+75K$12.58Dec 30, 2023
GOLD MITCHELLExecutive Chairman…SELL$15K–$50K1K$20.04Dec 30, 2023
Thompson Peter A.DirectorSELL$1M+1.5M$18.54Dec 29, 2023
ORBIMED ADVISORS LLCDirectorSELL$1M+1.5M$18.54Dec 29, 2023
GOLD MITCHELLExecutive Chairman…SELL$1M+92K$20.25Dec 28, 2023
GOLD MITCHELLExecutive Chairman…EXERCISE$50K–$100K92K$0.56Dec 28, 2023
Rickey James PaulSee RemarksSELL$100K–$500K15K$19.21Dec 22, 2023
Rickey James PaulSee RemarksEXERCISE$50K–$100K15K$5.02Dec 22, 2023
GOLD MITCHELLExecutive Chairman…EXERCISE$1K–$15K2K$0.45Dec 22, 2023
GOLD MITCHELLExecutive Chairman…SELL$15K–$50K2K$20.01Dec 22, 2023
Rickey James PaulSee RemarksSELL$1K–$15K700$16.00Dec 1, 2023
Rickey James PaulSee RemarksEXERCISE$1K–$15K700$3.23Dec 1, 2023
Decheng Capital Global Healthcare Fund (Master), LP10% OwnerBUY$1M+375K$12.50Nov 14, 2023
Cui XiangminDirectorBUY$1M+375K$12.50Nov 14, 2023
Rickey James PaulSee RemarksEXERCISE$15K–$50K11K$3.23Nov 8, 2023
Rickey James PaulSee RemarksSELL$100K–$500K18K$16.03Nov 8, 2023
Frazier Life Sciences VIII, L.P.10% OwnerBUY$500K+113K$7.10Feb 15, 2022
Rickey James PaulSenior VP and CFOSELL$100K–$500K17K$13.92Jan 4, 2022
🔓Seeing ranges? Sign in for exact trade values — free forever

Institutional Ownership

13F filings as of Mar 31, 2024 · 3 funds holding

FundShares
NEW YORK STATE COMMON RETIREMENT FUND18K
Legal & General Group Plc4K
DEUTSCHE BANK AG\960

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Great Point Partners, LLC

SC 13G/A · Nov 14, 2024

0.0%

0 shares

0.0%

0 shares

Frazier Life Sciences VIII, L.P. 2.

SC 13D/A · May 21, 2024

0 shares

10.0%

6.6M shares

Frazier Life Sciences VIII, L.P. 2.

SC 13D/A · Apr 29, 2024

4.3%

2.8M shares

BlackRock, Inc.

SC 13G/A · Mar 7, 2024

4.6%

3.0M shares

RA Capital Management, L.P.

SC 13G/A · Feb 14, 2024

10.0%

5.9M shares

Omega Fund VI, L.P.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

Great Point Partners, LLC

SC 13G/A · Feb 14, 2024

6.4%

3.7M shares

0.0%

0 shares

4.4%

2.5M shares

Lynx1 Capital Management LP

SC 13G/A · Feb 14, 2024

6.6%

3.8M shares

BlackRock, Inc.

SC 13G · Feb 2, 2024

5.3%

3.1M shares

OrbiMed Advisors LLC

SC 13D/A · Dec 29, 2023

4.6%

2.7M shares

Frazier Life Sciences VIII, L.P.

SC 13D/A · Nov 22, 2023

4.7%

2.8M shares

11.1%

6.6M shares

Alpine Immunosciences, L.P.

SC 13D/A · Nov 14, 2023

4.6%

2.7M shares

OrbiMed Advisors LLC

SC 13D/A · Nov 13, 2023

7.3%

4.2M shares

5.8%

2.9M shares

SC 13G/A · Feb 14, 2023

0.0%

0 shares

Great Point Partners, LLC

SC 13G/A · Feb 14, 2023

7.9%

3.6M shares

RA Capital Management, L.P.

SC 13G/A · Feb 14, 2023

9.6%

4.4M shares

Lynx1 Capital Management LP

SC 13G/A · Feb 14, 2023

6.8%

3.1M shares

Avidity Partners Management LP

SC 13G/A · Feb 14, 2023

4.0%

1.9M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 13, 2023

1.6%

725K shares

Omega Fund VI, L.P.

SC 13G/A · Feb 13, 2023

5.2%

2.4M shares

SC 13G · Oct 3, 2022

0.0%

0 shares

RA Capital Management, L.P.

SC 13G · Oct 3, 2022

9.9%

4.4M shares

Great Point Partners, LLC

SC 13G · Sep 30, 2022

7.8%

3.4M shares

Alpine Immunosciences, L.P.

SC 13D/A · Sep 27, 2022

6.1%

2.7M shares

OrbiMed Advisors LLC

SC 13D/A · Sep 27, 2022

9.3%

4.1M shares

14.6%

6.6M shares

Lynx1 Capital Management LP

SC 13G · Apr 22, 2022

5.1%

1.5M shares

Frazier Life Sciences VIII, L.P.

SC 13D/A · Feb 15, 2022

5.5%

1.6M shares

Omega Fund VI, L.P.

SC 13G/A · Feb 14, 2022

8.2%

2.4M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 14, 2022

2.9%

847K shares

16.1%

4.7M shares

Avidity Partners Management LP

SC 13G/A · Feb 12, 2022

7.3%

2.2M shares