M. Klein Associates, Inc. — SEC Form 4 filings
SEC reporting owner CIK 1751504. 12 Form 4 filings on record with FilingPulse; latest filed 2026-08-05.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-05-08 to 2026-08-05. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 5 filings — 2,225,000 shares, $22,250,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 5 legs across 2 filings — 300,000 shares, $18,506,928 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: sale of 150,000 shares @ $62.74 ($9,411,705) in Oklo Inc., filed 2025-06-23.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Oklo Inc. (OKLO) | Director, 10% owner | 6 | — | 5 legs · 300,000 sh · $18,506,928 | 6 |
| Churchill Capital Corp IX/Cayman | 10% owner | 1 | 1 leg · 725,000 sh · $7,250,000 | — | — |
| Churchill Capital Corp XI (CCXIU) | 10% owner | 1 | 1 leg · 500,000 sh · $5,000,000 | — | — |
| Churchill Capital Corp XII (CXIIU) | See Remarks, Director, 10% owner | 1 | 1 leg · 350,000 sh · $3,500,000 | — | — |
| Churchill Capital Corp XIII (XIIIU) | 10% owner | 1 | 1 leg · 350,000 sh · $3,500,000 | — | — |
| Churchill Capital Corp X/Cayman (INFQ) | See Remarks, Director, 10% owner | 2 | 1 leg · 300,000 sh · $3,000,000 | — | 3 |
Form 4 filings — M. Klein Associates, Inc.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-05 | 4 | Churchill Capital Corp XIII (XIIIU) jointly with Klein Michael Stuart, CHURCHILL SPONSOR XIII LLC | Purchase (P): 350,000 @ $10 | EDGAR |
| 2026-04-29 | 4 | Churchill Capital Corp XII (CXIIU) jointly with Klein Michael Stuart, CHURCHILL SPONSOR XII LLC | Purchase (P): 350,000 @ $10 | EDGAR |
| 2026-02-17 | 4 | Churchill Capital Corp X/Cayman (INFQ) jointly with Klein Michael Stuart, Churchill Sponsor X LLC | Conversion (C): 10,650,000 · Conversion (C): 10,350,000 (derivative) · Other (J): 75,000 (derivative) | EDGAR |
| 2025-12-19 | 4 | Churchill Capital Corp XI (CCXIU) jointly with Klein Michael Stuart, CHURCHILL SPONSOR XI LLC | Purchase (P): 500,000 @ $10 | EDGAR |
| 2025-06-25 | 4 | Oklo Inc. (OKLO) jointly with Klein Michael Stuart | Sale (S): 25,000 @ $55.22 · Sale (S): 12,100 @ $53.71 · Sale (S): 12,900 @ $55.22 | EDGAR |
| 2025-06-23 | 4 | Oklo Inc. (OKLO) jointly with Klein Michael Stuart | Sale (S): 100,000 @ $63.53 · Sale (S): 150,000 @ $62.74 | EDGAR |
| 2025-05-19 | 4 | Churchill Capital Corp X/Cayman (CCCXU) jointly with Klein Michael Stuart | Purchase (P): 300,000 @ $10 | EDGAR |
| 2024-11-18 | 4 | Oklo Inc. (OKLO) jointly with Klein Michael Stuart, AltC Sponsor LLC | Other (J): 13,450,000 @ $0 | EDGAR |
| 2024-07-02 | 4/A | Oklo Inc. (OKLO) jointly with Klein Michael Stuart, AltC Sponsor LLC | Grant/award (A): 1,450,000 @ $10 | EDGAR |
| 2024-07-02 | 4/A | Oklo Inc. (OKLO) jointly with Klein Michael Stuart, AltC Sponsor LLC | Option exercise (M): 12,500,000 · Option exercise (M): 12,500,000 (derivative) | EDGAR |
| 2024-05-13 | 4 | Oklo Inc. (OKLO) jointly with Klein Michael Stuart, AltC Sponsor LLC | Option exercise (M): 12,500,000 · Option exercise (M): 12,500,000 (derivative) | EDGAR |
| 2024-05-08 | 4 | Churchill Capital Corp IX/Cayman jointly with Klein Michael Stuart, Churchill Sponsor IX LLC | Purchase (P): 725,000 @ $10 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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