MAINSAIL MANAGEMENT COMPANY, LLC

PrivateCIK: 1883367

Location

AUSTIN, TX

MAINSAIL GP III, LLC

→BRILLIANT EARTH GROUP, INC.

Aug 26, 2026·Aug 26, 2026

2 txn

DZIESIETNIK SHARON

144

→BRILLIANT EARTH GROUP, INC.

Aug 17, 2026·Aug 17, 2026

-2

MAINSAIL GP III, LLC

→BRILLIANT EARTH GROUP, INC.

Aug 12, 2026·Aug 12, 2026

4 txn

MAINSAIL CO-INVESTORS III, L.P.

144

→BRILLIANT EARTH GROUP, INC.

Aug 11, 2026·Aug 11, 2026

MAINSAIL PARTNERS III, L.P.

144

→BRILLIANT EARTH GROUP, INC.

Aug 11, 2026·Aug 11, 2026

HARRIS JENNIFER NOEL

→BRILLIANT EARTH GROUP, INC.

Jun 23, 2026·Jun 23, 2026

2 txn

HARRIS JENNIFER NOEL

→BRILLIANT EARTH GROUP, INC.

Jun 19, 2026·Jun 19, 2026

1 txn

KAPLAN BETH J

→BRILLIANT EARTH GROUP, INC.

Jun 19, 2026·Jun 19, 2026

1 txn

JAQUES ATTICA

→BRILLIANT EARTH GROUP, INC.

Jun 19, 2026·Jun 19, 2026

1 txn

HARRIS JENNIFER NOEL

144

→BRILLIANT EARTH GROUP, INC.

Jun 18, 2026·Jun 18, 2026

DZIESIETNIK SHARON

144

→BRILLIANT EARTH GROUP, INC.

May 18, 2026·May 18, 2026

-2

DZIESIETNIK SHARON

→BRILLIANT EARTH GROUP, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

DZIESIETNIK SHARON

→BRILLIANT EARTH GROUP, INC.

Feb 20, 2026·Feb 20, 2026

1 txn

DZIESIETNIK SHARON

144

→BRILLIANT EARTH GROUP, INC.

Feb 18, 2026·Feb 18, 2026

DZIESIETNIK SHARON

→BRILLIANT EARTH GROUP, INC.

Nov 19, 2025·Nov 19, 2025

1 txn

DZIESIETNIK SHARON

144

→BRILLIANT EARTH GROUP, INC.

Nov 17, 2025·Nov 17, 2025

MAINSAIL MANAGEMENT COMPANY, LLC

13F-HR

Holdings

Nov 6, 2025·Nov 6, 2025

MAINSAIL MANAGEMENT COMPANY, LLC

13F-HR

Holdings

Aug 4, 2025·Aug 4, 2025

KAPLAN BETH J

→BRILLIANT EARTH GROUP, INC.

Jun 23, 2025·Jun 23, 2025

1 txn

HARRIS JENNIFER NOEL

→BRILLIANT EARTH GROUP, INC.

Jun 23, 2025·Jun 23, 2025

1 txn

JAQUES ATTICA

→BRILLIANT EARTH GROUP, INC.

Jun 23, 2025·Jun 23, 2025

1 txn

HARRIS JENNIFER NOEL

→BRILLIANT EARTH GROUP, INC.

Jun 18, 2025·Jun 18, 2025

3 txn

HARRIS JENNIFER NOEL

144

→BRILLIANT EARTH GROUP, INC.

Jun 16, 2025·Jun 16, 2025

JAQUES ATTICA

→BRILLIANT EARTH GROUP, INC.

Jun 2, 2025·Jun 2, 2025

1 txn

DZIESIETNIK SHARON

→BRILLIANT EARTH GROUP, INC.

May 19, 2025·May 19, 2025

1 txn

Page 1 of 11 · 251 total

Filer	Form	Target	Filed	Activity
MAINSAIL GP III, LLCCIK · 1883360	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Aug 26, 2026 Aug 26, 2026	2txn
DZIESIETNIK SHARONCIK · 2035090	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Aug 17, 2026 Aug 17, 2026	—
MAINSAIL GP III, LLCCIK · 1883360	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Aug 12, 2026 Aug 12, 2026	4txn
MAINSAIL CO-INVESTORS III, L.P.CIK · 1570211	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Aug 11, 2026 Aug 11, 2026	—
MAINSAIL PARTNERS III, L.P.CIK · 1543760	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Aug 11, 2026 Aug 11, 2026	—
HARRIS JENNIFER NOELCIK · 1597649	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 23, 2026 Jun 23, 2026	2txn
HARRIS JENNIFER NOELCIK · 1597649	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 19, 2026 Jun 19, 2026	1txn
KAPLAN BETH JCIK · 1247154	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 19, 2026 Jun 19, 2026	1txn
JAQUES ATTICACIK · 1848115	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 19, 2026 Jun 19, 2026	1txn
HARRIS JENNIFER NOELCIK · 1597649	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 18, 2026 Jun 18, 2026	—
DZIESIETNIK SHARONCIK · 2035090	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	May 18, 2026 May 18, 2026	—
DZIESIETNIK SHARONCIK · 2035090	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Mar 10, 2026 Mar 10, 2026	1txn
DZIESIETNIK SHARONCIK · 2035090	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Feb 20, 2026 Feb 20, 2026	1txn
DZIESIETNIK SHARONCIK · 2035090	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Feb 18, 2026 Feb 18, 2026	—
DZIESIETNIK SHARONCIK · 2035090	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Nov 19, 2025 Nov 19, 2025	1txn
DZIESIETNIK SHARONCIK · 2035090	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Nov 17, 2025 Nov 17, 2025	—
MAINSAIL MANAGEMENT COMPANY, LLCCIK · 1883367	13F-HR Holdings	—	Nov 6, 2025 Nov 6, 2025	—
MAINSAIL MANAGEMENT COMPANY, LLCCIK · 1883367	13F-HR Holdings	—	Aug 4, 2025 Aug 4, 2025	—
KAPLAN BETH JCIK · 1247154	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 23, 2025 Jun 23, 2025	1txn
HARRIS JENNIFER NOELCIK · 1597649	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 23, 2025 Jun 23, 2025	1txn
JAQUES ATTICACIK · 1848115	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 23, 2025 Jun 23, 2025	1txn
HARRIS JENNIFER NOELCIK · 1597649	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 18, 2025 Jun 18, 2025	3txn
HARRIS JENNIFER NOELCIK · 1597649	144 Sale	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 16, 2025 Jun 16, 2025	—
JAQUES ATTICACIK · 1848115	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	Jun 2, 2025 Jun 2, 2025	1txn
DZIESIETNIK SHARONCIK · 2035090	4 Trade	BRILLIANT EARTH GROUP, INC.CIK · 1866757	May 19, 2025 May 19, 2025	1txn

Page 1 of 11 · 251 total