Updated Jul 16, 2026 · Last SEC filing 2026-07-07
IRON MOUNTAIN INC (IRM) has filed 23 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 3 Form 8-K material event filings were reported by IRM in the last 90 days. 9 Form 144 notices of proposed sale were filed for IRM stock. InsiderAlpha tracks every IRM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Real Estate Investment Trusts (SIC 6798) |
|---|---|
| SEC CIK | 0001020569 |
| Form 4 filings (90d) | 23 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 9 |
| Latest Form 4 filing | 2026-07-07 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Meaney William L | President and CEO | S — Open-market sale | 9.7K | $122.84 | $1.19M | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 17.5K | $121.81 | $2.13M | SEC | |
| Kidd Mark | EVP, GM Data Centers & ALM | S — Open-market sale | 6.0K | $125.62 | $754K | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 7.2K | $123.84 | $888K | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 1.6K | $124.72 | $200K | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 2.5K | $125.82 | $318K | SEC | |
| Meaney William L | President and CEO | M — Option exercise | 38.5K | $37.00 | $1.42M | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 1.1K | $129.66 | $141K | SEC | |
| Kidd Mark | EVP, GM Data Centers & ALM | S — Open-market sale | 6.0K | $126.70 | $760K | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 10.5K | $127.00 | $1.33M | SEC | |
| Meaney William L | President and CEO | M — Option exercise | 38.5K | $37.00 | $1.42M | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 10.2K | $126.20 | $1.28M | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 7.5K | $127.90 | $962K | SEC | |
| Meaney William L | President and CEO | S — Open-market sale | 9.2K | $129.14 | $1.19M | SEC | |
| Borges Daniel | SVP & Chief Accounting Officer | S — Open-market sale | 7.2K | $125.50 | $902K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for IRON MOUNTAIN INC (IRM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Meaney William L | 18 | $18.86M |
| Kidd Mark | 3 | $2.28M |
| RAKOWICH WALTER C | 3 | $94K |
| Samuels Theodore R. II | 3 | $48K |
| Simons Doyle | 2 | $40K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in IRM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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