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Shackelton Christopher S

In the past year, 8 open-market purchase filings worth $80.4M and 1 sale filing worth $124.2M.

Current role at each company

Show 4 more companies

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$80.4M
8 filings
Sold
$124.2M
1 filing
Net
−$43.8M
Bought minus sold
Companies
3
With open-market trades

Trades

Every Form 4 that lists Shackelton Christopher S as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

UTI Universal Technical Institute Inc

Director20 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 10, 2026 (view filing)5:59 PM ETJun 82 daysColiseum Capital Partners, L.P. and 4 othersDirectorSSaleCommon Stock, $0.0001 par value ("Common Stock")−3.00M$41.40−$124.2M−75.5%971.4K after
Dec 5, 2025 (view filing)7:16 PM ETDec 32 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+143.7K$24.52+$3.52M+4.2%3.57M after
Dec 5, 2025 (view filing)7:16 PM ETDec 3-52 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchase+403.4K$25.19+$10.2M+11.3%3.97M after2 lots
Dec 3, 2025 (view filing)4:15 PM ETDec 12 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+171.4K$23.66+$4.06M+6.3%2.89M after
Dec 3, 2025 (view filing)4:15 PM ETDec 1-22 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchase+536.7K$24.36+$13.1M+18.6%3.42M after2 lots
May 29, 2025 (view filing)4:30 PM ETMay 272 daysColiseum Capital Partners, L.P. and 4 othersDirectorSSaleCommon Stock, par value $0.0001 ("Common Stock")−500.0K$35.00−$17.5M−15.5%2.72M after
May 14, 2025 (view filing)4:57 PM ETMay 122 daysColiseum Capital Partners, L.P. and 4 othersDirectorSSaleCommon Stock, par value $0.0001 ("Common Stock")−1.93M$32.95−$63.6M−37.5%3.22M after
Mar 28, 2025 (view filing)5:20 PM ETMar 271 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerSSaleCommon Stock, par value $0.0001 ("Common Stock")−1.00M$25.35−$25.4M−16.3%5.15M after
Feb 11, 2025 (view filing)8:48 AM ETFeb 101 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerSSaleCommon Stock, par value $0.0001 ("Common Stock")−704.9K$28.20−$19.9M−10.3%6.15M after
Dec 3, 2024 (view filing)4:35 PM ETDec 21 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerSSaleCommon Stock, par value $0.0001 ("Common Stock")−2.48M$25.10−$62.3M−26.6%6.85M after

See all 20 trades at UTI

SONO Sonos Inc

10% Owner22 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 17, 2026 (view filing)9:46 PM ETMar 134 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, $0.001 par value per share ("Common Stock")+90.0K$13.20+$1.19M+0.5%17.9M after
Mar 17, 2026 (view filing)9:46 PM ETMar 16-171 dayColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+138.9K$13.54+$1.88M+0.8%18.1M after2 lots
Mar 11, 2026 (view filing)9:30 PM ETMar 92 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, $0.001 par value per share ("Common Stock")+420.0K$13.95+$5.86M+2.5%17.3M after
Mar 11, 2026 (view filing)9:30 PM ETMar 10-111 dayColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+500.0K$14.20+$7.10M+2.9%17.8M after2 lots
Feb 25, 2026 (view filing)9:07 PM ETFeb 232 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, $0.001 par value per share ("Common Stock")+360.0K$14.90+$5.36M+2.2%16.7M after
Feb 25, 2026 (view filing)9:07 PM ETFeb 24-251 dayColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+251.3K$15.03+$3.78M+1.5%16.9M after2 lots
Feb 17, 2026 (view filing)9:00 PM ETFeb 125 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, $0.001 par value per share ("Common Stock")+100.0K$16.11+$1.61M+0.6%15.8M after
Feb 17, 2026 (view filing)9:00 PM ETFeb 13-174 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+547.2K$15.66+$8.57M+3.5%16.3M after2 lots
Feb 6, 2026 (view filing)7:05 PM ETFeb 42 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, $0.001 par value per share ("Common Stock")+494.7K$15.50+$7.67M+3.3%15.4M after
Feb 6, 2026 (view filing)7:05 PM ETFeb 5-61 dayColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+238.4K$16.31+$3.89M+1.5%15.7M after2 lots

See all 22 trades at SONO

MCFT MasterCraft Boat Holdings, Inc.

10% Owner24 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 22, 2025 (view filing)7:54 PM ETDec 184 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.01 per share ("Common Stock")+33.8K$19.34+$653.8K+0.9%3.60M after
Dec 22, 2025 (view filing)7:54 PM ETDec 19-223 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+101.0K$19.76+$2.00M+2.8%3.70M after2 lots
Dec 30, 2024 (view filing)8:22 PM ETDec 264 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.01 per share ("Common Stock")+53.9K$18.87+$1.02M+1.6%3.43M after
Dec 30, 2024 (view filing)8:22 PM ETDec 27-303 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+136.1K$18.57+$2.53M+4.0%3.56M after2 lots
Jun 25, 2024 (view filing)8:33 AM ETJun 205 daysLateColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.01 per share ("Common Stock")+24.1K$19.53+$469.8K+0.7%3.29M after
Jun 25, 2024 (view filing)8:33 AM ETJun 21-244 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+83.5K$19.48+$1.63M+2.5%3.37M after2 lots
Jun 17, 2024 (view filing)8:08 PM ETJun 134 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.01 per share ("Common Stock")+63.6K$20.27+$1.29M+2.1%3.14M after
Jun 17, 2024 (view filing)8:08 PM ETJun 14-173 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+127.6K$19.71+$2.51M+4.1%3.27M after2 lots
Jun 10, 2024 (view filing)7:25 PM ETJun 64 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.01 per share ("Common Stock")+98.4K$20.35+$2.00M+3.3%3.05M after
Jun 10, 2024 (view filing)7:25 PM ETJun 7-103 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+26.0K$20.54+$534.2K+0.9%3.07M after2 lots

See all 24 trades at MCFT

ACH Accendra Health Inc

10% Owner8 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 14, 2025 (view filing)8:23 PM ETAug 122 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $2 per share ("Common Stock")+720.0K$5.15+$3.71M+6.2%12.3M after
Aug 14, 2025 (view filing)8:23 PM ETAug 13-141 dayColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+817.9K$5.37+$4.39M+6.7%13.1M after2 lots
Apr 10, 2025 (view filing)9:43 PM ETApr 82 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $2 per share ("Common Stock")+105.0K$7.96+$835.8K+0.9%11.3M after
Apr 10, 2025 (view filing)9:43 PM ETApr 9-101 dayColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+305.0K$7.34+$2.24M+2.7%11.6M after2 lots
Apr 7, 2025 (view filing)8:21 PM ETApr 34 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $2 per share ("Common Stock")+160.0K$8.53+$1.36M+1.5%10.8M after
Apr 7, 2025 (view filing)8:21 PM ETApr 4-73 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+368.4K$7.94+$2.93M+3.4%11.2M after2 lots
Mar 4, 2025 (view filing)9:07 PM ETFeb 284 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $2 per share ("Common Stock")+1.74M$9.39+$16.3M+22.5%9.47M after
Mar 4, 2025 (view filing)9:07 PM ETMar 3-41 dayColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchase+1.15M$9.58+$11.1M+12.2%10.6M after2 lots

GMS GMS Inc.

10% Owner22 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 16, 2025 (view filing)7:46 PM ETJul 142 daysColiseum Capital Partners, L.P. and 6 others10% OwnerSSaleCommon stock, par value $0.01 per share ("Common Stock")−179.1K$110.05−$19.7M−4.7%3.65M after
Jul 16, 2025 (view filing)7:46 PM ETJul 15-161 dayColiseum Capital Partners, L.P. and 6 others10% OwnerSSale−159.5K$110.06−$17.6M−4.4%3.49M after2 lots
Jun 29, 2023 (view filing)9:05 PM ETJun 272 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSaleCommon stock, par value $0.01 per share ("Common Stock")−282.6K$71.22−$20.1M−6.7%3.95M after
Jun 29, 2023 (view filing)9:05 PM ETJun 27-292 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSale−535.1K$70.39−$37.7M−13.5%3.42M after4 lots
Jun 26, 2023 (view filing)9:04 PM ETJun 224 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSaleCommon stock, par value $0.01 per share ("Common Stock")−35.3K$68.27−$2.41M−0.7%4.74M after
Jun 26, 2023 (view filing)9:04 PM ETJun 23-263 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSale−501.9K$68.75−$34.5M−10.6%4.24M after4 lots
Jun 16, 2023 (view filing)8:56 PM ETJun 142 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSaleCommon stock, par value $0.01 per share ("Common Stock")−72.9K$66.79−$4.87M−1.2%5.92M after
Jun 16, 2023 (view filing)8:56 PM ETJun 14-162 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSale−1.15M$66.43−$76.2M−19.4%4.77M after5 lots
Jun 14, 2023 (view filing)7:24 PM ETJun 122 daysColiseum Capital Partners, L.P. and 5 others10% OwnerSSaleCommon stock, par value $0.01 per share ("Common Stock")−201.2K$67.93−$13.7M−3.2%6.14M after
Jun 14, 2023 (view filing)7:24 PM ETJun 131 dayColiseum Capital Partners, L.P. and 5 others10% OwnerSSale−143.4K$68.09−$9.76M−2.3%5.99M after

See all 22 trades at GMS

MODV ModivCare Inc

10% Owner19 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jan 14, 2025 (view filing)7:32 PM ETJan 104 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchaseCommon Stock, par value $0.001 per share ("Common Stock")+573.4K$6.81+$3.91M+19.2%3.56M after
Jan 14, 2025 (view filing)7:32 PM ETJan 10-144 daysColiseum Capital Partners, L.P. and 5 others10% OwnerPPurchase+929.0K$6.56+$6.09M+26.1%4.49M after4 lots
Sep 15, 2023 (view filing)8:14 PM ETSep 132 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.001 per share ("Common Stock")+29.4K$28.66+$842.5K+1.1%2.68M after
Sep 15, 2023 (view filing)8:14 PM ETSep 13-152 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+300.8K$33.16+$9.97M+11.2%2.98M after4 lots
Sep 13, 2023 (view filing)4:15 PM ETSep 112 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.001 per share ("Common Stock")+19.0K$28.98+$552.0K+0.8%2.46M after
Sep 13, 2023 (view filing)4:15 PM ETSep 11-122 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+194.2K$29.90+$5.81M+7.9%2.65M after3 lots
Sep 11, 2023 (view filing)4:15 PM ETSep 74 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.001 per share ("Common Stock")+110.5K$27.23+$3.01M+5.3%2.21M after
Sep 11, 2023 (view filing)4:15 PM ETSep 83 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+225.0K$28.79+$6.48M+10.2%2.44M after2 lots
Aug 10, 2023 (view filing)9:02 PM ETAug 82 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.001 per share ("Common Stock")+99.1K$34.72+$3.44M+5.9%1.77M after
Aug 10, 2023 (view filing)9:02 PM ETAug 8-102 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+336.8K$36.04+$12.1M+19.1%2.10M after6 lots

See all 19 trades at MODV

GORV Lazydays Holdings, Inc.

10% Owner21 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 19, 2024 (view filing)5:46 PM ETNov 154 daysColiseum Capital Partners, L.P. and 4 others10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+14.6M$1.03+$15.0M+223.3%21.1M after
Nov 29, 2023 (view filing)7:50 PM ETNov 272 daysColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+87.5K$5.86+$512.9K+1.4%6.39M after
Nov 29, 2023 (view filing)7:50 PM ETNov 28-291 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchase+144.9K$6.89+$998.2K+2.3%6.53M after2 lots
Nov 8, 2023 (view filing)4:15 PM ETNov 71 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+100.0K$5.42+$542.0K+1.6%6.30M after
May 23, 2023 (view filing)5:05 PM ETMay 194 daysColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+731.6K$11.20+$8.19M+13.4%6.19M after
Mar 20, 2023 (view filing)4:15 PM ETMar 164 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+165.6K$11.82+$1.96M+3.3%5.12M after
Mar 20, 2023 (view filing)4:15 PM ETMar 164 daysColiseum Capital Partners, L.P. and 4 othersDirectorPPurchase+339.6K$12.50+$4.24M+6.6%5.46M after
Mar 2, 2023 (view filing)7:53 PM ETFeb 282 daysColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+171.7K$12.16+$2.09M+4.7%3.84M after
Mar 2, 2023 (view filing)7:53 PM ETMar 1-21 dayColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchase+1.12M$12.38+$13.8M+29.1%4.95M after2 lots
Mar 1, 2023 (view filing)4:31 PM ETFeb 272 daysColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerPPurchaseCommon Stock, par value $0.0001 ("Common Stock")+32.6K$11.89+$387.1K+0.9%3.67M after

See all 21 trades at GORV

PRPL Purple Innovation, Inc.

Director, 10% Owner19 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jan 23, 2024 (view filing)4:37 PM ETJan 23Same dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock+13.4M–––13.4M afterDerivative
Feb 14, 2023 (view filing)8:31 AM ETFeb 131 dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock+5.96M$4.50+$26.8M+14.6%46.8M after
May 26, 2022 (view filing)4:47 PM ETMay 242 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock ("Common Stock")+960.4K$4.57+$4.39M+2.5%40.1M after
May 26, 2022 (view filing)4:47 PM ETMay 251 dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+716.3K$4.78+$3.42M+1.8%40.9M after
May 20, 2022 (view filing)8:23 PM ETMay 191 dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock ("Common Stock")+328.0K$4.87+$1.60M+0.9%38.7M after
May 20, 2022 (view filing)8:23 PM ETMay 20Same dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+450.0K$4.84+$2.18M+1.2%39.2M after
May 18, 2022 (view filing)8:01 PM ETMay 162 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock ("Common Stock")+2.08M$4.68+$9.75M+5.9%37.1M after
May 18, 2022 (view filing)8:01 PM ETMay 17-181 dayColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+1.27M$4.63+$5.88M+3.4%38.4M after2 lots
May 16, 2022 (view filing)4:22 PM ETMay 124 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchaseClass A Common Stock ("Common Stock")+3.68M$3.84+$14.1M+11.9%34.6M after
May 16, 2022 (view filing)4:22 PM ETMay 133 daysColiseum Capital Partners, L.P. and 5 othersDirector, 10% OwnerPPurchase+420.0K$4.46+$1.87M+1.2%35.0M after

See all 19 trades at PRPL

BLBD Blue Bird Corp

Director2 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 18, 2023 (view filing)4:05 PM ETSep 144 daysColiseum Capital Partners, L.P. and 4 othersDirectorSSaleCommon Stock, par value $0.0001 ("Common Stock")−1.24M$21.00−$26.0M−100.0%0 after
Jun 14, 2023 (view filing)4:05 PM ETJun 122 daysColiseum Capital Partners, L.P. and 4 othersDirector, 10% OwnerSSaleCommon Stock, par value $0.0001 ("Common Stock")−3.45M$20.00−$69.0M−73.6%1.24M after