PSTG's three largest insider shareholders as of March 23, 2026 are John Colgrove (Chief Visionary Officer, 6.46Mn shares), Charles H Giancarlo (Ceo, 1.50Mn shares), Charles H Giancarlo (Ceo, 731.41K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John Colgrove | Chief Visionary Officer | 6,783,773 | 0 | 12 Mar, 2026 |
| Charles H Giancarlo | Ceo | 2,038,399 | 0 | 12 Mar, 2026 |
| Ajay Singh | Chief Product Officer | 395,247 | 0 | 12 Mar, 2026 |
| Tarek Robbiati | Chief Financial Officer | 363,498 | 0 | 12 Mar, 2026 |
| Mona Chu | Chief Accounting Officer | 139,710 | 0 | 12 Mar, 2026 |
| Jeffrey Rothschild | 107,473 | 0 | 13 Jun, 2025 | |
| John Colgrove | Chief Visionary Officer | 0 | 100,000 | 09 Jan, 2026 |
| Susan J.S. Taylor | 99,636 | 0 | 13 Jun, 2025 | |
| Mallun Yen | 44,501 | 0 | 13 Jun, 2025 | |
| Gregory Tomb | 31,140 | 0 | 13 Jun, 2025 | |
| Andrew William Fraser Brown | 28,903 | 1,500 | 19 Mar, 2026 | |
| Storage, Inc. Pure | 28,896 | 0 | 09 Apr, 2024 | |
| Anita M Sands | 26,819 | 0 | 14 Sep, 2021 | |
| Roxanne Taylor | 16,343 | 0 | 05 Sep, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Mar, 2026 | Andrew William Fraser Brown | Class A Common Stock | D | 1,500 | $0.00 | 31,903 | D | G |
| 18 Mar, 2026 | Andrew William Fraser Brown | Class A Common Stock | D | 1,500 | $0.00 | 30,403 | D | G |
| 18 Mar, 2026 | Andrew William Fraser Brown | Class A Common Stock | D | 1,500 | $0.00 | 28,903 | D | G |
| 18 Mar, 2026 | Andrew William Fraser Brown | Class A Common Stock | A | 1,500 | $0.00 | 1,500 | I | G |
| 10 Mar, 2026 | Mona Chu | Class A Common Stock | A | 37,533 | $0.00 | 139,710 | D | A |
| 10 Mar, 2026 | John Colgrove | Class A Common Stock | A | 320,277 | $0.00 | 6,783,773 | D | A |
| 10 Mar, 2026 | Charles H Giancarlo | Class A Common Stock | A | 540,467 | $0.00 | 2,038,399 | D | A |
| 10 Mar, 2026 | Ajay Singh | Class A Common Stock | A | 180,156 | $0.00 | 395,247 | D | A |
| 10 Mar, 2026 | Tarek Robbiati | Class A Common Stock | A | 139,577 | $0.00 | 363,498 | D | A |
| 06 Mar, 2026 | Charles H Giancarlo | Class A Common Stock | A | 500,000 | $12.84 | 1,693,109 | D | M |
| 06 Mar, 2026 | Charles H Giancarlo | Class A Common Stock | D | 195,177 | $60.90 | 1,497,932 | D | F |
| 06 Mar, 2026 | Charles H Giancarlo | Stock Option (right to buy) | D | 500,000 | $0.00 | 0 | D | M |
| 07 Jan, 2026 | John Colgrove | Class A Common Stock | D | 100,000 | $0.00 | 601,959 | I | G |
| 07 Jan, 2026 | John Colgrove | Class A Common Stock | A | 100,000 | $0.00 | 100,000 | I | G |
| 20 Dec, 2025 | Mona Chu | Class A Common Stock | D | 5,176 | $69.13 | 102,177 | D | F |
| 20 Dec, 2025 | Ajay Singh | Class A Common Stock | D | 7,038 | $69.13 | 222,269 | D | F |
| 20 Dec, 2025 | John Colgrove | Class A Common Stock | D | 7,326 | $69.13 | 6,463,496 | D | F |
| 23 Dec, 2025 | Ajay Singh | Class A Common Stock | D | 7,178 | $67.14 | 215,091 | D | S |
| 08 Dec, 2025 | John Colgrove | Class A Common Stock | D | 58,780 | $71.09 | 41,220 | I | S |
| 08 Dec, 2025 | John Colgrove | Class A Common Stock | D | 36,819 | $71.52 | 4,401 | I | S |