Kidd Mark — SEC Form 4 filings
SEC reporting owner CIK 1732058. 22 Form 4 filings on record with FilingPulse; latest filed 2026-09-02.
Transaction summary — filings shown
Covers all 22 filings on record, filed 2024-02-26 to 2026-09-02. 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): 17 legs across 17 filings — 101,764 shares, $10,689,307 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 25.
- Largest priced transaction: sale of 6,000 shares @ $127.91 ($767,460) in IRON MOUNTAIN INC, filed 2026-05-11.
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) | EVP, GM Data Centers & ALM | 22 | — | 17 legs · 101,764 sh · $10,689,307 | 25 |
Form 4 filings — Kidd Mark
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-02 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $115.60 | EDGAR |
| 2026-08-10 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $122.70 | EDGAR |
| 2026-07-02 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $125.62 | EDGAR |
| 2026-06-02 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $126.70 | EDGAR |
| 2026-05-11 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $127.91 | EDGAR |
| 2026-04-02 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $102.71 | EDGAR |
| 2026-03-03 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 149,768 @ $0 · Tax withholding (F): 61,342 @ $108.33 · Sale (S): 6,000 @ $107.27 · Option exercise (M): 149,768 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $108.17 | EDGAR |
| 2026-02-18 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 106,977 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $83.10 | EDGAR |
| 2025-12-03 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $85 | EDGAR |
| 2025-11-05 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $102.51 | EDGAR |
| 2025-11-03 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 7,306 @ $31.46 · Sale (S): 7,306 @ $100.82 · Option exercise (M): 7,306 (derivative) @ $31.46 | EDGAR |
| 2025-10-03 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $101.63 | EDGAR |
| 2025-09-03 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $91.05 | EDGAR |
| 2025-08-05 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $97.20 | EDGAR |
| 2025-07-02 | 4 | IRON MOUNTAIN INC (IRM) | Sale (S): 6,000 @ $102.02 | EDGAR |
| 2025-03-04 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 54,960 @ $0 · Tax withholding (F): 22,486 @ $93.17 · Option exercise (M): 2,819 @ $0 · Tax withholding (F): 1,150 @ $93.17 · Option exercise (M): 54,960 (derivative) @ $0 · Option exercise (M): 2,819 (derivative) @ $0 | EDGAR |
| 2025-02-18 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 39,257 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 4,458 @ $38.83 · Sale (S): 4,458 @ $80.21 · Option exercise (M): 4,458 (derivative) @ $38.83 | EDGAR |
| 2024-03-05 | 4 | IRON MOUNTAIN INC (IRM) | Option exercise (M): 25,334 @ $0 · Tax withholding (F): 9,522 @ $81.03 · Option exercise (M): 5,063 @ $0 · Tax withholding (F): 2,245 @ $81.03 · Option exercise (M): 2,818 @ $0 · Tax withholding (F): 1,249 @ $81.03 · +3 more | EDGAR |
| 2024-02-26 | 4 | IRON MOUNTAIN INC (IRM) | Grant/award (A): 10,290 (derivative) @ $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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