Matlock Robin — SEC Form 4 filings
SEC reporting owner CIK 1781215. 27 Form 4 filings on record with FilingPulse; latest filed 2026-09-01.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2024-03-04 to 2026-09-01. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 29.
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 |
|---|---|---|---|---|---|
| IRON MOUNTAIN INC (IRM) | Director | 13 | — | — | 15 |
| MSCI Inc. (MSCI) | Director | 14 | — | — | 14 |
Form 4 filings — Matlock Robin
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 6 @ $0 | EDGAR |
| 2026-06-02 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 6 @ $0 | EDGAR |
| 2026-05-11 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 1,892 @ $0 | EDGAR |
| 2026-05-05 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 388 @ $0 | EDGAR |
| 2026-03-03 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 5 @ $0 | EDGAR |
| 2026-01-22 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 10.19 @ $0 · Option exercise (M): 10.19 (derivative) @ $0 | EDGAR |
| 2026-01-08 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 10.19 (derivative) @ $84.62 | EDGAR |
| 2026-01-06 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 998 @ $0 · Option exercise (M): 998 (derivative) @ $0 | EDGAR |
| 2025-12-02 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 4 @ $0 | EDGAR |
| 2025-10-07 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 7.45 (derivative) @ $104.42 | EDGAR |
| 2025-09-02 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 4 @ $0 | EDGAR |
| 2025-07-08 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 7.67 (derivative) @ $100.56 | EDGAR |
| 2025-06-03 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 4 @ $0 | EDGAR |
| 2025-06-02 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 2,249 @ $0 | EDGAR |
| 2025-05-05 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 385 @ $0 | EDGAR |
| 2025-04-07 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 9.55 (derivative) @ $79.99 | EDGAR |
| 2025-03-04 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 3 @ $0 | EDGAR |
| 2025-01-10 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 13.25 (derivative) @ $103.60 | EDGAR |
| 2024-12-03 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 3 @ $0 | EDGAR |
| 2024-10-07 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 11.48 (derivative) @ $118.88 | EDGAR |
| 2024-09-04 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 3 @ $0 | EDGAR |
| 2024-07-08 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 13.34 (derivative) @ $92.37 | EDGAR |
| 2024-06-04 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 3 @ $0 | EDGAR |
| 2024-06-03 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 2,385 @ $0.01 | EDGAR |
| 2024-05-03 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 450 @ $0 | EDGAR |
| 2024-04-05 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 15.26 (derivative) @ $80.08 | EDGAR |
| 2024-03-04 | 4 | MSCI Inc. (MSCI) | Grant/award (A): 2 @ $0 | 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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