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Brilliant Earth Group, Inc.

BRLT
Exchange
Nasdaq
Industry
Jewelry, Silverware & Plated Ware
SEC CIK
0001866757

In the last 90 days, Brilliant Earth Group, Inc. insiders filed 3 open-market purchases and 2 sales; 37 institutions reported holding it in 13F filings for Q2 2026, worth $4.80M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Brilliant Earth Group, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
3 filings
3 insiders, $38.8K in total
Open-market sells
2 filings
2 insiders, $77.2K in total
Insiders trading
5
Net value
−$38.4K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Brilliant Earth Group, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Brilliant Earth Group, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Turner GavinDirector, 10% Owner31,848,071IndirectAug 26, 20262
Mainsail Partners III, L.P.10% Owner31,848,071IndirectAug 26, 20262
Mainsail Co-Investors III, L.P.10% Owner31,848,071IndirectAug 26, 20262
Mainsail Incentive Program, LLC10% Owner31,848,071IndirectAug 26, 20262
Mainsail GP III, LLC10% Owner31,848,071IndirectAug 26, 20262
Mainsail Management Company, LLC10% Owner31,848,071IndirectAug 26, 20262
Gerstein Beth TamaraChief Executive Officer10,000Aug 19, 20261
Grossberg Eric ScottExecutive Chairman10,000IndirectAug 19, 20261
Dziesietnik SharonChief Operations Officer532,448Aug 19, 20265
Kuo Jeffrey ChuenhongChief Financial Officer693,130Aug 17, 20262
Harris Jennifer NoelDirector213,966Jun 23, 20262
Kaplan Beth JDirector293,934Jun 18, 20261
Jaques AtticaDirector288,234Jun 18, 20261
Bickley IanDirector244,163Jun 23, 20250
Just Rocks, Inc.10% Owner49,119,976Feb 16, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 19, 2026 (view filing)7:45 PM ETAug 18-191 dayGerstein Beth TamaraChief Executive OfficerPPurchaseClass A Common Stock+10.0K$1.25+$12.5KNew position10.0K after2 lots
Aug 19, 2026 (view filing)7:45 PM ETAug 18-191 dayGrossberg Eric ScottExecutive ChairmanPPurchaseClass A Common Stock+10.0K$1.27+$12.7KNew position10.0K after2 lots
Aug 19, 2026 (view filing)4:02 PM ETAug 172 daysDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−10.1K$1.27−$12.9K−1.9%532.4K after10b5-1
Aug 17, 2026 (view filing)7:58 AM ETAug 134 daysKuo Jeffrey ChuenhongChief Financial OfficerPPurchaseClass A Common Stock+10.0K$1.36+$13.6K+1.5%693.1K after
Aug 12, 2026 (view filing)7:18 PM ETAug 102 daysMainsail Partners III, L.P. and 4 others10% OwnerSSaleClass A Common Stock−50.0K$1.29−$64.3K−100.0%0 afterDuplicate filing
Aug 12, 2026 (view filing)7:16 PM ETAug 102 daysTurner GavinDirector, 10% OwnerSSaleClass A Common Stock−50.0K$1.29−$64.3K−100.0%0 after
Jun 23, 2026 (view filing)Jun 18-225 daysHarris Jennifer NoelDirectorSSaleClass A Common Stock−38.4K$1.05−$40.3K−15.2%214.0K after2 lots10b5-1
May 20, 2026 (view filing)May 182 daysDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−10.1K$1.15−$11.6K−1.8%542.6K after10b5-1
Feb 20, 2026 (view filing)Feb 182 daysDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−19.7K$1.37−$27.0K−4.2%446.7K after10b5-1
Nov 19, 2025 (view filing)Nov 172 daysDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−9.19K$1.99−$18.3K−1.9%466.4K after10b5-1
Jun 18, 2025 (view filing)Jun 16-182 daysHarris Jennifer NoelDirectorSSaleClass A Common Stock−15.4K$1.36−$20.9K−15.5%83.9K after3 lots10b5-1
May 19, 2025 (view filing)May 163 daysDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−9.19K$1.40−$12.9K−1.9%475.6K after10b5-1
Mar 17, 2025 (view filing)4:58 PM ETMar 134 daysMainsail Partners III, L.P. and 4 others10% OwnerSSaleClass A Common Stock−2.70K$1.85−$5.01K−100.0%0 after10b5-1
Mar 17, 2025 (view filing)Mar 134 daysTurner GavinDirector, 10% OwnerSSaleClass A Common Stock−2.70K$1.85−$5.00K−100.0%0 after10b5-1
Feb 19, 2025 (view filing)Feb 181 dayKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−31.7K$1.52−$48.2K−6.6%450.0K after10b5-1
Feb 19, 2025 (view filing)Feb 181 dayDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−20.8K$1.50−$31.2K−5.3%371.3K after10b5-1
Dec 13, 2024 (view filing)Dec 13Same dayDziesietnik SharonChief Operations OfficerSSaleClass A Common Stock−5.32K$1.96−$10.4K−1.3%392.1K after10b5-1
Nov 20, 2024 (view filing)Nov 182 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−9.13K$1.64−$15.0K−1.9%481.7K after10b5-1
Jun 7, 2024 (view filing)Jun 52 daysHarris Jennifer NoelDirectorSSaleClass A Common Stock−15.2K$2.19−$33.2K−26.2%42.8K after10b5-1
May 17, 2024 (view filing)May 17Same dayKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−8.12K$2.43−$19.7K−1.6%490.8K after10b5-1
May 17, 2024 (view filing)May 152 daysBickley IanDirectorSSaleClass A Common Stock−30.0K$2.52−$75.6K−24.6%91.8K after
Feb 22, 2024 (view filing)Feb 20-212 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−23.5K$2.85−$67.1K−7.3%298.3K after2 lots10b5-1
Dec 29, 2023 (view filing)7:08 PM ETDec 27-292 daysMainsail Partners III, L.P. and 4 others10% OwnerSSaleClass A Common Stock−41.6K$3.50−$145.6K−100.0%0 after3 lots10b5-1
Dec 29, 2023 (view filing)Dec 27-292 daysTurner GavinDirector, 10% OwnerSSaleClass A Common Stock−41.6K$3.50−$145.6K−100.0%0 after3 lots10b5-1
Dec 21, 2023 (view filing)8:54 PM ETDec 19-212 daysMainsail Partners III, L.P. and 4 others10% OwnerSSaleClass A Common Stock−23.4K$3.51−$82.0K−100.0%0 after2 lots10b5-1
Dec 21, 2023 (view filing)Dec 19-212 daysTurner GavinDirector, 10% OwnerSSaleClass A Common Stock−23.4K$3.51−$82.0K−100.0%0 after2 lots10b5-1
Nov 17, 2023 (view filing)Nov 161 dayKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−2.99K$2.20−$6.57K−0.9%321.8K after10b5-1
Jun 12, 2023 (view filing)Jun 84 daysHarris Jennifer NoelDirectorSSaleClass A Common Stock−10.1K$3.79−$38.1K−14.8%58.0K after10b5-1
May 31, 2022 (view filing)May 274 daysBickley IanDirectorPPurchaseClass A Common Stock+20.0K$4.53+$90.6K+66.7%50.0K after
Apr 5, 2022 (view filing)Apr 1-54 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−70.5K$9.40−$663.0K−44.6%87.7K after4 lots
Apr 5, 2022 (view filing)Apr 14 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−28.0K$9.70−$271.5K−100.0%0 after4 lots
Feb 24, 2022 (view filing)Feb 22-242 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−99.0K$9.81−$971.2K−53.0%87.7K after4 lots
Feb 24, 2022 (view filing)Feb 22-242 daysKuo Jeffrey ChuenhongChief Financial OfficerSSaleClass A Common Stock−40.0K$9.81−$392.4K−100.0%0 after8 lots
Feb 16, 2022 (view filing)Feb 14-162 daysGrossberg Eric ScottExecutive ChairmanSSaleClass A Common Stock−64.7K$12.06−$779.7K−100.0%0 after3 lotsDuplicate filing
Feb 16, 2022 (view filing)Feb 14-162 daysJust Rocks, Inc.10% OwnerSSaleClass A Common Stock−64.7K$12.06−$779.7K−100.0%0 after3 lotsDuplicate filing
Feb 16, 2022 (view filing)Feb 14-162 daysGerstein Beth TamaraChief Executive OfficerSSaleClass A Common Stock−64.7K$12.06−$779.7K−100.0%0 after3 lots
Jan 14, 2022 (view filing)Jan 12-142 daysGerstein Beth TamaraChief Executive OfficerSSaleClass A Common Stock−320.6K$13.70−$4.39M−100.0%0 after7 lotsDuplicate filing
Jan 14, 2022 (view filing)Jan 12-142 daysJust Rocks, Inc.10% OwnerSSaleClass A Common Stock−320.6K$13.70−$4.39M−100.0%0 after7 lotsDuplicate filing
Jan 14, 2022 (view filing)Jan 12-142 daysGrossberg Eric ScottExecutive ChairmanSSaleClass A Common Stock−320.6K$13.70−$4.39M−100.0%0 after7 lots
Nov 23, 2021 (view filing)Nov 194 daysBickley IanDirectorPPurchaseClass A Common Stock+20.0K$17.99+$359.8K+200.0%30.0K after
Sep 28, 2021 (view filing)Sep 271 dayJaques AtticaDirectorPPurchaseClass A Common Stock+300$12.00+$3.60KNew position300 after
Sep 28, 2021 (view filing)Sep 271 dayBickley IanDirectorPPurchaseClass A Common Stock+10.0K$12.00+$120.0KNew position10.0K after
Sep 28, 2021 (view filing)Sep 271 dayHarris Jennifer NoelDirectorPPurchaseClass A Common Stock+5.00K$12.00+$60.0KNew position5.00K after