InsidersTradesSigma
Total declarations
Companies
▲ Purchases (5 ops.)
▼ Sales (3 ops.)
Insider track record
CEODisclosed buys
5
Disclosed sells
3
T+90 hit rate
100%
T+90 mean return
+8.0%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Klein Michael Stuart, Director. Insider active across 10 companies, notably MultiPlan Corp. Cumulatively, 26 reports have been recorded. Split: 5 buys · 3 sells. Total volume traded: €30.9m. History available since 27 May 2021. The latest transaction was disclosed on 3 August 2026 (Acquisition). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Klein Michael Stuart
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations26 total
350,000 shares@ US$10.00100.0% of flowClass A Ordinary SharesSEC:0001213900-26-085827:0
Canonical exit: 1 Nov 2026 (T+90)
12,430 sharesClass A Common StockSEC:0001327392-26-000002:0
8,977 shares0Class A common stockSEC:0001628280-26-029356:0
350,000 shares@ US$10.00100.0% of flowClass A Ordinary SharesSEC:0001213900-26-049361:0
Canonical exit: 28 Jul 2026 (T+90)
10,650,000 sharesCommon StockSEC:0001193125-26-054778:0
500,000 shares@ US$10.00100.0% of flowClass A Ordinary SharesSEC:0001213900-25-123947:0
Canonical exit: 18 Mar 2026 (T+90)
40,000 shares@ US$133.397819.3% of flowCommon Stock, par value $0.0001 per shareSEC:0001193125-25-216154:0
20,306 shares0Class A Common StockSEC:0001415889-25-020036:0
25,000 shares@ US$55.22056.3% of flowCommon Stock, par value $0.0001 per shareSEC:0001104659-25-062672:0
100,000 shares@ US$63.525731.2% of flowCommon Stock, par value $0.0001 per shareSEC:0001104659-25-061762:0
300,000 shares@ US$10.00100.0% of flowClass A Ordinary SharesSEC:0000950170-25-074309:0
Canonical exit: 13 Aug 2025 (T+90)
7,356 shares0Class A common stockSEC:0001793229-25-000095:0
13,450,000 shares0Common Stock, par value $0.0001 per shareSEC:0001104659-24-120191:0
3,750 shares0Class A Common StockSEC:0001415889-24-019888:0
1,450,000 shares@ US$10.00100.0% of flowClass A common stock, par value $0.0001 per shareSEC:0001104659-24-077384:0
12,500,000 sharesClass A Common Stock, par value $0.0001 per shareSEC:0001104659-24-077386:0
12,500,000 sharesClass A Common Stock, par value $0.0001 per shareSEC:0001104659-24-060612:0
725,000 shares@ US$10.00100.0% of flowClass A Ordinary SharesSEC:0000950170-24-055620:0
Canonical exit: 4 Aug 2024 (T+90)
172,413 shares0Class A common stockSEC:0001793229-24-000072:0
35,398 shares0Class A Common StockSEC:0001415889-23-010276:0
106,382 shares0Class A common stockSEC:0001793229-23-000064:0
21,621 shares0Class A Common StockSEC:0001062993-22-015431:0
22,271 shares0Class A common stockSEC:0001793229-22-000069:0
1,435,000 shares@ US$10.00100.0% of flowClass A common stock, par value $0.0001 per shareSEC:0001104659-21-092204:0
17,250,000 sharesClass A common stockSEC:0000950142-21-002016:0
25 of 26 declarations
About Klein Michael Stuart
Klein Michael Stuart is Administrateur et Président. He has filed 25 disclosures in total, and across the 25 sampled filings between 2021-06-01 and 2026-06-26, the reported buy volume is EUR 16667010 and the reported sell volume is EUR 11246544, with Levée d'options as the most frequent transaction nature. He is linked to Oklo Inc., Skillsoft Corp., MultiPlan Corp, Claritev Corp, Churchill Capital Corp X/Cayman and Churchill Capital Corp XII.
