Klein Michael Stuart

Director · Officer · Ten-percent owner · SKIL, CXIIU, CTEV, INFQ, CCXIU, OKLO

As of 2026-09-16, Klein Michael Stuart has 31 Form 4 transactions on record across 6 companies — 21 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $923KIndirect: $189.0M$189.9Mas of 2026-09-16
  • Direct $923K
  • Indirect $189.0M
CCXIUindirect14,300,000 sh$178.8M
OKLOindirect150,000 sh$5.3M
CXIIUindirect350,000 sh$3.9M
INFQindirect75,000 sh$963K
CTEVdirect24,334 sh$817K
SKILdirect17,500 sh$107K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

INFQ · 12 trades
2026-02-12: Other acquisition, 75,000 sh2026-02-12: Conversion, 10,650,000 sh2026-02-12: Conversion, 10,350,000 sh2026-02-12: Conversion, 10,650,000 sh2026-02-12: Conversion, 10,350,000 sh2026-02-12: Other acquisition, 75,000 sh2026-02-12: Conversion, 10,650,000 sh2026-02-12: Conversion, 10,350,000 sh2026-02-12: Other acquisition, 75,000 sh2026-02-12: Conversion, 10,650,000 sh2026-02-12: Conversion, 10,350,000 sh2026-02-12: Other acquisition, 75,000 sh
OKLO · 7 trades
2025-09-22: Sale, 40,000 sh ($5.3M)2025-09-22: Sale, 10,000 sh ($1.4M)2025-06-23: Sale, 25,000 sh ($1.4M)2025-06-23: Sale, 12,900 sh ($712K)2025-06-23: Sale, 12,100 sh ($650K)2025-06-20: Sale, 150,000 sh ($9.4M)2025-06-18: Sale, 100,000 sh ($6.4M)
SKIL · 6 trades
2026-06-30: Award / grant, 17,500 sh ($0)2026-06-25: Option exercise, 12,430 sh ($0)2026-06-25: Option exercise, 12,430 sh ($0)2025-07-17: Option exercise, 20,306 sh ($0)2025-07-17: Option exercise, 20,306 sh ($0)2025-07-17: Award / grant, 12,430 sh ($0)
CTEV · 2 trades
2026-04-29: Award / grant, 8,977 sh ($0)2025-04-30: Award / grant, 7,356 sh ($0)
CXIIU · 1 trade
2026-04-29: Purchase, 350,000 sh ($3.5M)
CCXIU · 1 trade
2025-12-18: Purchase, 500,000 sh ($5.0M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03Purchase350,000 @ $10.00$3.5Mownership Δ n/a350,000Form 4
2026-04-29CXIIUPurchase350,000 @ $10.00$3.5Mownership Δ n/a350,000Form 4
2025-12-18CCXIUPurchase500,000 @ $10.00$5.0M+3.6% of holding14,300,000Form 4
2025-09-22OKLOSale40,000 @ $133.40$5.3M−20.0% of holding160,000Form 4
2025-09-22OKLOSale10,000 @ $135.20$1.4M−6.3% of holding150,000Form 4
2025-06-23OKLOSale25,000 @ $55.22$1.4M−10.0% of holding225,000Form 4
2025-06-23OKLOSale12,900 @ $55.22$712K−6.1% of holding200,000Form 4
2025-06-23OKLOSale12,100 @ $53.71$650K−5.4% of holding212,900Form 4
2025-06-20OKLOSale150,000 @ $62.74$9.4M−37.5% of holding250,000Form 4
2025-06-18OKLOSale100,000 @ $63.53$6.4M−20.0% of holding400,000Form 4
2025-05-15Purchase300,000 @ $10.00$3.0M+2.9% of holding10,650,000Form 4
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-30SKILAward / grant17,50017,500Form 4
2026-06-25SKILOption exercise12,4300Form 4
2026-06-25SKILOption exercise12,43039,336Form 4
2026-04-29CTEVAward / grant8,97724,334Form 4
2026-02-12INFQOther acquisition75,00075,000Form 4
2026-02-12INFQConversion10,650,00010,650,000Form 4
2026-02-12INFQConversion10,350,0000Form 4
2026-02-12INFQConversion10,650,00010,650,000Form 4
2026-02-12INFQConversion10,350,0000Form 4
2026-02-12INFQOther acquisition75,00075,000Form 4
2026-02-12INFQConversion10,650,00010,650,000Form 4
2026-02-12INFQConversion10,350,0000Form 4
2026-02-12INFQOther acquisition75,00075,000Form 4
2026-02-12INFQConversion10,650,00010,650,000Form 4
2026-02-12INFQConversion10,350,0000Form 4
2026-02-12INFQOther acquisition75,00075,000Form 4
2025-07-17SKILOption exercise20,30626,906Form 4
2025-07-17SKILOption exercise20,3060Form 4
2025-07-17SKILAward / grant12,43012,430Form 4
2025-04-30CTEVAward / grant7,35615,357Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.