BOUNDLESS BIO, INC.

PublicCIK: 1782303

BOLDNASDAQ

Location

SAN DIEGO, CA

RA CAPITAL MANAGEMENT, L.P.

→LENZ THERAPEUTICS, INC.

Jun 16, 2026·5d ago

1 txn

WHITING NANCY

→BOUNDLESS BIO, INC.

Jun 15, 2026·5d ago

1 txn

LIM JONATHAN E

→BOUNDLESS BIO, INC.

Jun 15, 2026·5d ago

1 txn

CHRISTENSEN JAMES

→BOUNDLESS BIO, INC.

Jun 15, 2026·5d ago

1 txn

LEW JENNIFER

→BOUNDLESS BIO, INC.

Jun 15, 2026·5d ago

1 txn

RA CAPITAL MANAGEMENT, L.P.

→JANUX THERAPEUTICS, INC.

Jun 13, 2026·Jun 13, 2026

4 txn

RA CAPITAL MANAGEMENT, L.P.

→NKARTA, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→ACUMEN PHARMACEUTICALS, INC.

Jun 5, 2026·Jun 5, 2026

5 txn

RA CAPITAL MANAGEMENT, L.P.

→ACRIVON THERAPEUTICS, INC.

May 20, 2026·May 20, 2026

3 txn

RA CAPITAL MANAGEMENT, L.P.

13F-HR

Holdings

May 15, 2026·May 15, 2026

BUROW KRISTINA

→SCHOLAR ROCK HOLDING CORP

Apr 24, 2026·Apr 24, 2026

9 txn

RA CAPITAL MANAGEMENT, L.P.

→ACRIVON THERAPEUTICS, INC.

Apr 23, 2026·Apr 23, 2026

2 txn

RA CAPITAL MANAGEMENT, L.P.

→MINERALYS THERAPEUTICS, INC.

Mar 31, 2026·Mar 31, 2026

3 txn

RA CAPITAL MANAGEMENT, L.P.

→WAVE LIFE SCIENCES LTD.

Mar 30, 2026·Mar 30, 2026

5 txn

GILLIS STEVEN

→TAKEDA PHARMACEUTICAL CO LTD

Mar 18, 2026·Mar 18, 2026

6 txn

ARCH VENTURE PARTNERS IX, LLC

→LYELL IMMUNOPHARMA, INC.

Mar 9, 2026·Mar 9, 2026

3 txn

RA CAPITAL MANAGEMENT, L.P.

→MINERALYS THERAPEUTICS, INC.

Feb 20, 2026·Feb 20, 2026

4 txn

RA CAPITAL MANAGEMENT, L.P.

13F-HR

Holdings

Feb 17, 2026·Feb 17, 2026

RA CAPITAL MANAGEMENT, L.P.

→SPYGLASS PHARMA, INC.

Feb 11, 2026·Feb 11, 2026

10 txn

CRANDELL KEITH

→TWIST BIOSCIENCE CORP

Feb 9, 2026·Feb 9, 2026

2 txn

RA CAPITAL MANAGEMENT, L.P.

→SPYGLASS PHARMA, INC.

Feb 9, 2026·Feb 9, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→SPYGLASS PHARMA, INC.

Feb 5, 2026·Feb 5, 2026

6 txn

OIEN JESSICA

→BOUNDLESS BIO, INC.

Jan 26, 2026·Jan 26, 2026

1 txn

HASSIG CHRISTIAN

→BOUNDLESS BIO, INC.

Jan 26, 2026·Jan 26, 2026

1 txn

DOEBELE ROBERT

→BOUNDLESS BIO, INC.

Jan 26, 2026·Jan 26, 2026

1 txn

Page 1 of 20 · 490 total

Filer	Form	Target	Filed	Activity
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	LENZ THERAPEUTICS, INC.CIK · 1815776	Jun 16, 2026 5d ago	1txn
WHITING NANCYCIK · 1880609	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jun 15, 2026 5d ago	1txn
LIM JONATHAN ECIK · 1283290	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jun 15, 2026 5d ago	1txn
CHRISTENSEN JAMESCIK · 2016409	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jun 15, 2026 5d ago	1txn
LEW JENNIFERCIK · 1465994	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jun 15, 2026 5d ago	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	JANUX THERAPEUTICS, INC.CIK · 1817713	Jun 13, 2026 Jun 13, 2026	4txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	NKARTA, INC.CIK · 1787400	Jun 11, 2026 Jun 11, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jun 5, 2026 Jun 5, 2026	5txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACRIVON THERAPEUTICS, INC.CIK · 1781174	May 20, 2026 May 20, 2026	3txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	13F-HR Holdings	—	May 15, 2026 May 15, 2026	—
BUROW KRISTINACIK · 1569248	4 Trade	SCHOLAR ROCK HOLDING CORPCIK · 1727196	Apr 24, 2026 Apr 24, 2026	9txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACRIVON THERAPEUTICS, INC.CIK · 1781174	Apr 23, 2026 Apr 23, 2026	2txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	MINERALYS THERAPEUTICS, INC.CIK · 1933414	Mar 31, 2026 Mar 31, 2026	3txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	WAVE LIFE SCIENCES LTD.CIK · 1631574	Mar 30, 2026 Mar 30, 2026	5txn
GILLIS STEVENCIK · 1229592	3 Initial	TAKEDA PHARMACEUTICAL CO LTDCIK · 1395064	Mar 18, 2026 Mar 18, 2026	6txn
ARCH VENTURE PARTNERS IX, LLCCIK · 1723174	4 Trade	LYELL IMMUNOPHARMA, INC.CIK · 1806952	Mar 9, 2026 Mar 9, 2026	3txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	MINERALYS THERAPEUTICS, INC.CIK · 1933414	Feb 20, 2026 Feb 20, 2026	4txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	13F-HR Holdings	—	Feb 17, 2026 Feb 17, 2026	—
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	SPYGLASS PHARMA, INC.CIK · 1778922	Feb 11, 2026 Feb 11, 2026	10txn
CRANDELL KEITHCIK · 1219039	4 Trade	TWIST BIOSCIENCE CORPCIK · 1581280	Feb 9, 2026 Feb 9, 2026	2txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	SPYGLASS PHARMA, INC.CIK · 1778922	Feb 9, 2026 Feb 9, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	3 Initial	SPYGLASS PHARMA, INC.CIK · 1778922	Feb 5, 2026 Feb 5, 2026	6txn
OIEN JESSICACIK · 1760712	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jan 26, 2026 Jan 26, 2026	1txn
HASSIG CHRISTIANCIK · 1730657	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jan 26, 2026 Jan 26, 2026	1txn
DOEBELE ROBERTCIK · 1856681	4 Trade	BOUNDLESS BIO, INC.CIK · 1782303	Jan 26, 2026 Jan 26, 2026	1txn

Page 1 of 20 · 490 total