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SkyWater Technology, LLC

SKYTDelisted Jul 31, 2026
Industry
Semiconductors & Related Devices
SEC CIK
0001819974

SkyWater Technology, LLC was delisted on Jul 31, 2026; its insiders filed their last Form 4 on Jul 31, 2026; 191 institutions reported holding it in 13F filings for Q2 2026, worth $1.16B in total; Maverick Capital was the only superinvestor holding it.

Open-market trades, last 90 days

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

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for SkyWater Technology, LLC, 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 SkyWater Technology, LLC
NameTitleLast reported holdingLast filingFilings, past year
Manko SteveCFO0Jul 31, 20269
Sonderman ThomasCEO0Jul 31, 20266
Hilberg ChristopherChief Risk & Compl. Officer0Jul 31, 20266
Sakamoto JohnPresident and COO0Jul 31, 20264
Goetz Dennis JDirector0Jul 31, 20262
Fares NancyDirector0Jul 31, 20262
Baxter Timothy EDirector0Jul 31, 20262
Miller Tammy JDirector0Jul 31, 20262
LaFrence Andrew D.C.Director0Jul 31, 20262
Humke Joseph JDirector0Jul 31, 20262
Daly EdwardDirector0Jul 31, 20262
Unterseher Loren ADirector, 10% Owner0IndirectJul 31, 20266
CMI Oxbow Partners, LLCDirector, 10% Owner0IndirectJul 31, 20266
Oxbow Industries, LLCDirector, 10% Owner0IndirectJul 31, 20266
Graves Gregory BDirector14,285Mar 17, 20250
Obermiller Gary JDirector22,345May 24, 20240
Leong Chunyi (Amy)Director40,923May 24, 20240
Lujan Thomas R.Director462,258Jan 23, 20240
Litecky MarkChief Revenue Officer347,411Aug 15, 20230
Daniel AmandaChief People Officer43,699Aug 15, 20230
Kosier SteveChief Technology Officer63,504Aug 15, 20230
Ferguson BradleyChief Govt Affairs Officer443,805Aug 15, 20230
Zibrowski Bart L10% Owner4,483,396IndirectAug 3, 20230
DDK Developments, L.L.C.10% Owner4,483,396Aug 3, 20230
Kurtzweil John TDirector28,097Jun 14, 20230
Spicer JohnEVP Operations68,036Mar 17, 20230

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
Feb 22, 2023 (view filing)Feb 211 dayDDK Developments, L.L.C.10% OwnerSSale−50.0K$13.03−$651.5K−1.0%4.97M afterDuplicate filing
Feb 24, 2023 (view filing)Feb 231 dayLitecky MarkChief Revenue OfficerSSale−4.00K$13.35−$53.4K−0.9%419.0K after
Feb 24, 2023 (view filing)Feb 222 daysZibrowski Bart L10% OwnerSSale−50.0K$12.93−$646.5K−1.0%4.92M after
Feb 24, 2023 (view filing)Feb 222 daysDDK Developments, L.L.C.10% OwnerSSale−50.0K$12.93−$646.5K−1.0%4.92M afterDuplicate filing
Mar 1, 2023 (view filing)Feb 27-282 daysZibrowski Bart L10% OwnerSSale−82.5K$12.01−$990.5K−1.7%4.84M after2 lots
Mar 1, 2023 (view filing)Feb 27-282 daysDDK Developments, L.L.C.10% OwnerSSale−82.5K$12.01−$990.5K−1.7%4.84M after2 lotsDuplicate filing
Mar 2, 2023 (view filing)Feb 282 daysFerguson BradleyChief Govt Affairs OfficerSSale−10.0K$13.14−$131.4K−2.0%496.5K after
Mar 3, 2023 (view filing)Mar 12 daysSonderman ThomasPresident & CEOSSale−4.57K$12.58−$57.4K−0.9%520.2K after
Mar 3, 2023 (view filing)Mar 12 daysManko SteveCFOSSale−2.35K$12.57−$29.6K−0.6%393.1K after
Mar 3, 2023 (view filing)Mar 12 daysLitecky MarkChief Revenue OfficerSSale−2.17K$12.58−$27.2K−0.5%412.8K after
Mar 3, 2023 (view filing)Feb 283 daysLitecky MarkChief Revenue OfficerSSale−2.00K$13.20−$26.4K−0.5%417.0K afterAmended
Mar 3, 2023 (view filing)Mar 12 daysDaniel AmandaChief Human Resources OfficerSSale−1.44K$12.57−$18.2K−4.1%33.6K after
Mar 3, 2023 (view filing)Mar 12 daysKosier SteveChief Technology OfficerSSale−2.17K$12.56−$27.2K−4.5%45.9K after
Mar 3, 2023 (view filing)Mar 12 daysFerguson BradleyChief Govt Affairs OfficerSSale−1.44K$12.58−$18.2K−0.3%495.0K after
Mar 3, 2023 (view filing)Mar 12 daysSpicer JohnEVP OperationsSSale−2.17K$12.58−$27.2K−4.2%49.0K after
Mar 3, 2023 (view filing)Mar 12 daysHilberg ChristopherChief Legal OfficerSSale−513$12.92−$6.63K−3.4%14.6K after
Mar 3, 2023 (view filing)7:47 PM ETMar 1-32 daysUnterseher Loren A and 2 othersDirector, 10% OwnerSSale−431.9K$12.64−$5.46M−2.1%20.6M after4 lots
Mar 7, 2023 (view filing)Mar 34 daysLitecky MarkChief Revenue OfficerSSale−6.83K$12.66−$86.5K−1.6%410.1K after
Mar 8, 2023 (view filing)Mar 62 daysSonderman ThomasPresident & CEOSSale−20.0K$12.20−$244.0K−3.8%500.2K after
Mar 8, 2023 (view filing)Mar 6-72 daysZibrowski Bart L10% OwnerSSale−100.0K$12.17−$1.22M−2.1%4.74M after2 lots
Mar 8, 2023 (view filing)Mar 6-72 daysDDK Developments, L.L.C.10% OwnerSSale−100.0K$12.17−$1.22M−2.1%4.74M after2 lotsDuplicate filing
Mar 10, 2023 (view filing)4:15 PM ETMar 8-92 daysUnterseher Loren A and 2 othersDirector, 10% OwnerSSale−272.6K$14.32−$3.90M−1.3%20.3M after2 lots
Mar 13, 2023 (view filing)Mar 94 daysLitecky MarkChief Revenue OfficerSSale−5.00K$13.70−$68.5K−1.2%405.1K after
Mar 13, 2023 (view filing)Mar 94 daysFerguson BradleyChief Govt Affairs OfficerSSale−10.0K$14.00−$140.0K−2.0%485.0K after
Mar 15, 2023 (view filing)Mar 132 daysZibrowski Bart L10% OwnerSSale−75.0K$12.14−$910.5K−1.6%4.66M after
Mar 15, 2023 (view filing)Mar 132 daysDDK Developments, L.L.C.10% OwnerSSale−75.0K$12.14−$910.5K−1.6%4.66M afterDuplicate filing
Mar 16, 2023 (view filing)6:22 PM ETMar 14-162 daysUnterseher Loren A and 2 othersDirector, 10% OwnerSSale−541.3K$11.62−$6.29M−2.7%19.8M after3 lots
Mar 20, 2023 (view filing)Mar 173 daysSonderman ThomasPresident & CEOSSale−3.40K$11.12−$37.8K−0.6%541.8K after
Mar 20, 2023 (view filing)Mar 173 daysFerguson BradleyChief Govt Affairs OfficerSSale−19.4K$11.13−$216.3K−3.9%478.4K after
Mar 23, 2023 (view filing)Mar 212 daysZibrowski Bart L10% OwnerSSale−35.0K$11.38−$398.3K−0.8%4.63M after
Mar 23, 2023 (view filing)Mar 212 daysDDK Developments, L.L.C.10% OwnerSSale−35.0K$11.38−$398.3K−0.8%4.63M afterDuplicate filing
Mar 29, 2023 (view filing)Mar 281 dayZibrowski Bart L10% OwnerSSale−5.00K$10.43−$52.1K−0.1%4.62M after
Mar 29, 2023 (view filing)Mar 281 dayDDK Developments, L.L.C.10% OwnerSSale−5.00K$10.43−$52.1K−0.1%4.62M afterDuplicate filing
May 15, 2023 (view filing)May 114 daysSonderman ThomasPresident & CEOSSale−12.5K$9.32−$116.7K−2.3%538.4K after
May 15, 2023 (view filing)May 114 daysManko SteveCFOSSale−2.04K$9.31−$19.0K−0.5%413.2K after
May 15, 2023 (view filing)May 114 daysLitecky MarkChief Revenue OfficerSSale−1.92K$9.30−$17.9K−0.5%422.6K after
May 15, 2023 (view filing)May 114 daysKosier SteveChief Technology OfficerSSale−426$9.50−$4.05K−0.6%66.7K after
May 15, 2023 (view filing)May 114 daysFerguson BradleyChief Govt Affairs OfficerSSale−1.28K$9.30−$11.9K−0.2%532.6K after
May 22, 2023 (view filing)May 193 daysZibrowski Bart L10% OwnerSSale−3.16K$10.50−$33.2K−0.1%4.62M after
May 22, 2023 (view filing)May 193 daysDDK Developments, L.L.C.10% OwnerSSale−3.16K$10.50−$33.2K−0.1%4.62M afterDuplicate filing
Jun 6, 2023 (view filing)Jun 2-54 daysZibrowski Bart L10% OwnerSSale−33.5K$10.26−$343.7K−0.7%4.59M after2 lots
Jun 6, 2023 (view filing)Jun 2-54 daysDDK Developments, L.L.C.10% OwnerSSale−33.5K$10.26−$343.7K−0.7%4.59M after2 lotsDuplicate filing
Jun 7, 2023 (view filing)5:21 PM ETJun 5-72 daysUnterseher Loren A and 2 othersDirector, 10% OwnerSSale−191.0K$71,387.07−$13.6B−1.0%19.6M after3 lotsPrice outlier
Jun 8, 2023 (view filing)Jun 6-72 daysDDK Developments, L.L.C.10% OwnerSSale−32.0K$10.40−$332.8K−0.7%4.56M after2 lots
Jun 8, 2023 (view filing)Jun 6-72 daysZibrowski Bart L10% OwnerSSale−32.0K$10.40−$332.8K−0.7%4.56M after2 lotsDuplicate filing
Jun 9, 2023 (view filing)Jun 81 dayDaniel AmandaChief People OfficerSSale−768$9.58−$7.36K−1.7%45.8K after
Jun 14, 2023 (view filing)Jun 122 daysKurtzweil John TDirectorSSale−7.45K$9.50−$70.7K−21.0%28.1K after
Jun 16, 2023 (view filing)4:32 PM ETJun 14-152 daysUnterseher Loren A and 2 othersDirector, 10% OwnerSSale−30.9K$9.52−$294.2K−0.2%19.5M after2 lots
Jun 21, 2023 (view filing)Jun 201 dayGraves Gregory BDirectorSSale−7.00K$9.25−$64.8K−25.7%20.3K after
Jul 5, 2023 (view filing)Jul 32 daysZibrowski Bart L10% OwnerSSale−7.50K$9.20−$69.0K−0.2%4.55M after