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.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Manko Steve | CFO | 0 | Jul 31, 2026 | 9 |
| Sonderman Thomas | CEO | 0 | Jul 31, 2026 | 6 |
| Hilberg Christopher | Chief Risk & Compl. Officer | 0 | Jul 31, 2026 | 6 |
| Sakamoto John | President and COO | 0 | Jul 31, 2026 | 4 |
| Goetz Dennis J | Director | 0 | Jul 31, 2026 | 2 |
| Fares Nancy | Director | 0 | Jul 31, 2026 | 2 |
| Baxter Timothy E | Director | 0 | Jul 31, 2026 | 2 |
| Miller Tammy J | Director | 0 | Jul 31, 2026 | 2 |
| LaFrence Andrew D.C. | Director | 0 | Jul 31, 2026 | 2 |
| Humke Joseph J | Director | 0 | Jul 31, 2026 | 2 |
| Daly Edward | Director | 0 | Jul 31, 2026 | 2 |
| Unterseher Loren A | Director, 10% Owner | 0Indirect | Jul 31, 2026 | 6 |
| CMI Oxbow Partners, LLC | Director, 10% Owner | 0Indirect | Jul 31, 2026 | 6 |
| Oxbow Industries, LLC | Director, 10% Owner | 0Indirect | Jul 31, 2026 | 6 |
| Graves Gregory B | Director | 14,285 | Mar 17, 2025 | 0 |
| Obermiller Gary J | Director | 22,345 | May 24, 2024 | 0 |
| Leong Chunyi (Amy) | Director | 40,923 | May 24, 2024 | 0 |
| Lujan Thomas R. | Director | 462,258 | Jan 23, 2024 | 0 |
| Litecky Mark | Chief Revenue Officer | 347,411 | Aug 15, 2023 | 0 |
| Daniel Amanda | Chief People Officer | 43,699 | Aug 15, 2023 | 0 |
| Kosier Steve | Chief Technology Officer | 63,504 | Aug 15, 2023 | 0 |
| Ferguson Bradley | Chief Govt Affairs Officer | 443,805 | Aug 15, 2023 | 0 |
| Zibrowski Bart L | 10% Owner | 4,483,396Indirect | Aug 3, 2023 | 0 |
| DDK Developments, L.L.C. | 10% Owner | 4,483,396 | Aug 3, 2023 | 0 |
| Kurtzweil John T | Director | 28,097 | Jun 14, 2023 | 0 |
| Spicer John | EVP Operations | 68,036 | Mar 17, 2023 | 0 |
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 25, 2025 (view filing) | Nov 21 | 4 days | Sonderman ThomasCEO | SSale | −5.21K | $13.38 | −$69.7K | −1.0%521.8K after | |
| Dec 1, 2025 (view filing)6:27 PM ET | Nov 21-24 | 10 days | Unterseher Loren A and 2 othersDirector, 10% Owner | SSale | −200.0K | $14.33 | −$2.87M | −4.2%4.59M after | Amended2 lots |
| Dec 1, 2025 (view filing)6:28 PM ET | Nov 26 | 5 days | Unterseher Loren A and 2 othersDirector, 10% Owner | SSale | −100.0K | $14.54 | −$1.45M | −2.2%4.49M after | |
| Mar 18, 2026 (view filing) | Mar 16 | 2 days | Manko SteveCFO | SSale | −91.1K | $27.84 | −$2.54M | −29.7%215.2K after | 2 lots10b5-1 |
| Mar 23, 2026 (view filing) | Mar 16 | 7 days | Manko SteveCFO | SSale | −71.7K | $27.84 | −$2.00M | −24.2%224.9K after | Amended10b5-1 |
| Apr 16, 2026 (view filing) | Apr 14 | 2 days | Manko SteveCFO | SSale | −84.2K | $30.41 | −$2.56M | −32.9%171.6K after | 10b5-1 |
| May 13, 2026 (view filing) | May 11 | 2 days | Manko SteveCFO | SSale | −75.0K | $35.08 | −$2.63M | −43.7%96.6K after | 10b5-1 |