Mainsail Gp III, LLC and 4 Others Transfers Shares of Brilliant Earth Group Inc (BRLT) — SEC Form 4, Aug 26, 2026
SEC Form 4 · No Market Transaction
Other Transaction
Non-market transaction reported.
Reporting Owners
10%+
+ 2 more
TXN 2026-08-24
·
FILED 2026-08-26
Equity Position
31.8M sh
31,832,057 → 31,848,071
Equity Change
+0.1%
shares held after vs before
Filing Lag
2 business days
within 2-day SEC deadline
Form 4 · Statement of Changes in Beneficial Ownership
Reporting Owners
| Name | Relationship |
|---|---|
| Mainsail Gp III, LLC CIK 0001883360 |
10% Owner
|
| Mainsail Partners III, L.P. CIK 0001543760 |
10% Owner
|
| Mainsail Co-Investors III, L.P. CIK 0001570211 |
10% Owner
|
| Mainsail Incentive Program, LLC CIK 0001883293 |
10% Owner
|
| Mainsail Management Company, LLC CIK 0001883367 |
10% Owner
|
Mainsail Gp III, LLC at Brilliant Earth Group Inc
Full insider history
Bought (12 mo)
—
Sold (12 mo)
$64,350
More from this insider at Brilliant Earth Group Inc
| 2026-08-12 | Sell | -$64,350 | View |
| 2025-03-17 | Sell | -$5,006 | View |
| 2023-12-29 | Sell | -$145,609 | View |
| 2023-12-21 | Sell | -$81,972 | View |
| 2021-09-28 | - | — | View |
Non-Derivative Securities Transactions
Derivative Securities Transactions
Footnotes (4)
- F1
- The reported transaction, which involves a purchase of a limited partner's interest in Mainsail Co-Investors III, L.P. ("MCOI"), may represent a change in the Reporting Persons' pecuniary interest in common units of Brilliant Earth, LLC (the "LLC Units") and shares of Class B common stock held by MCOI. For purposes of Section 16(b), such deemed purchase, for an aggregate consideration of $18,096, could be matchable against the sales reported on August 10, 2026, as reported on the Form 4 filed by the Reporting Persons on August 12, 2026. Accordingly, the Reporting Persons have fully disgorged to the Issuer, the Section 16(b) deemed profit of $2,033. Show more
- F2
- Consists of (i) 31,098,704 shares of Class B common stock (and associated LLC Units) held by Mainsail Partners III, L.P. ("MP III"), (ii) 61,823 shares of Class B common stock (and associated LLC Units) held by Mainsail Incentive Program, LLC ("MIP"), and (iii) 687,544 shares of Class B common stock (and associated LLC Units) held by MCOI. Show more
- F3
- Mainsail GP III, LLC ("GP III") is the general partner of MP III. MCOI is a co-investment vehicle that invests alongside MP III. GP III is the general partner of MCOI. A three member investment committee of GP III acts by a majority vote, with Gavin Turner possessing a veto right, with respect to the voting and dispositive power of the securities held by MP III and MCOI. Mainsail Management Company, LLC ("MMC") is the managing member of MIP, and Gavin Turner is the sole Manager of MMC. Mr. Turner has separately reported the transactions and reported securities reflected in this statement. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interests therein. Show more
- F4
- LLC Units (together with one share of Class B common stock for every LLC Unit) are exchangeable for one share of the Issuer's Class A common stock. The reported LLC Units, which were acquired by the Reporting Persons prior to the Issuer's initial public offering, do not expire. Show more
Related filings at Brilliant Earth Group Inc
Institutional Holders
13F holders · Jun 30, 2026
37
institutional managers reporting a position
Largest by reported value
- Capital World Investors $1.19M
- Ameriprise Financial, Inc. $972K
- Vanguard Capital Management Llc $592K
5%+ Holders · 13D/G
2 filers
Other insiders at Brilliant Earth Group Inc
-
Beth Tamara Gerstein +$12.5K
-
Eric Scott Grossberg +$12.7K
-
Sharon Dziesietnik -$12.9K
-
Jeffrey Chuenhong Kuo +$13.6K
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