SEC Form 4 · Updated Daily
PSTV
Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Lim Kian Thiam | 10%+ Owner | 7,400,000 | 2015-04-06 | S |
| Swissquote Bank SA | 10%+ Owner | 5,496,655 | 2018-01-09 | S |
| PostFinance AG | 10%+ Owner | 4,543,086 | 2018-02-14 | S |
| OLYMPUS CORP | 10%+ Owner | 4,013,043 | 2008-08-07 | P |
| CALHOUN CHRISTOPHER J | Director · Officer | 146,770 | 2014-01-10 | S |
| Lenk Robert P | Director | 139,327 | 2025-08-22 | P |
| Saad Mark E | Officer | 138,430 | 2013-01-31 | D |
| Thompson Tommy G | Director | 83,600 | 2015-09-03 | P |
| RICKEY DAVID | Director | 71,226 | 2016-06-15 | X |
| HENRIKSEN RONALD D | Director | 70,092 | 2012-01-01 | A |
| HEDRICK MARC H | Director · Officer | 60,922 | 2026-10-01 | M |
| Petersen Greg | Director | 48,921 | 2024-09-11 | P |
| SHIRAHAMA NORIO SEIJIRO | Officer | 48,659 | 2013-01-31 | D |
| Jona Ruud J.P. | Director | 21,000 | 2014-06-07 | A |
| HAWRAN PAUL W | Director | 19,424 | 2015-05-08 | A |
| Girao Tiago | Officer | 14,084 | 2016-06-15 | X |
| Dean Lloyd H | Director | 13,959 | 2014-05-19 | A |
| HOLMES E CARMACK | Director | 13,417 | 2014-05-19 | A |
| Sims Andrew John Hugh MacIntyre | Officer | 12,926 | 2026-10-01 | M |
| HARRIS JOHN DAVID | Officer | 7,000 | 2016-08-10 | P |
| LYONS GARY A | Director | 4,358 | 2016-06-15 | X |
| REUTER BRUCE | Officer | 4,193 | 2006-11-09 | — |
| COX MARSHALL G | Director | 3,934 | 2006-05-26 | S |
| HAYDEN JEREMY B. | Officer | 3,643 | 2016-06-15 | X |
| KESTEN STEVEN | Officer | 3,481 | 2016-06-15 | X |
| Clowes Howard | Director | 2,902 | 2026-10-01 | M |
| Hawkins Richard J | Director | 2,450 | 2026-10-01 | M |
| Naughton Gail K | Director | 2,400 | 2016-06-14 | P |
| ANDREWS RONALD ASBURY | Director | 1,843 | 2026-10-01 | M |
| Guse Kyle | Director | 1,843 | 2026-10-01 | M |
| van Es-Johansson An | Director | 1,843 | 2026-10-01 | M |
| Milstein Alexander M | Officer | 1,200 | 2006-09-08 | P |
| Townsend John | Officer | 250 | 2010-11-18 | — |
| Daniels Eric Joseph | Officer | 0 | 2026-04-20 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-01 | Guse Kyle | Option exercise (derivative) | 921 | $0.00 | 1,843 |
| 2026-10-01 | Guse Kyle | Option exercise | 921 | $0.00 | 1,843 |
| 2026-10-01 | HEDRICK MARC H | Option exercise (derivative) | 1,986 | $0.00 | 137,159 |
| 2026-10-01 | HEDRICK MARC H | Option exercise (derivative) | 8,066 | $0.00 | 139,145 |
| 2026-10-01 | HEDRICK MARC H | Option exercise (derivative) | 6,387 | $0.00 | 147,211 |
| 2026-10-01 | HEDRICK MARC H | Option exercise | 1,986 | $0.00 | 60,922 |
| 2026-10-01 | HEDRICK MARC H | Option exercise | 8,066 | $0.00 | 58,936 |
| 2026-10-01 | HEDRICK MARC H | Option exercise | 6,387 | $0.00 | 50,870 |
| 2026-10-01 | ANDREWS RONALD ASBURY | Option exercise (derivative) | 921 | $0.00 | 1,843 |
| 2026-10-01 | ANDREWS RONALD ASBURY | Option exercise | 921 | $0.00 | 1,843 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 287 | $0.00 | 24,085 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 1,165 | $0.00 | 24,372 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 1,533 | $0.00 | 25,537 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 287 | $0.00 | 12,926 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 1,165 | $0.00 | 12,639 |
| 2026-10-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 1,533 | $0.00 | 11,474 |
| 2026-10-01 | Clowes Howard | Option exercise (derivative) | 921 | $0.00 | 1,843 |
| 2026-10-01 | Clowes Howard | Option exercise | 921 | $0.00 | 2,902 |
| 2026-10-01 | Hawkins Richard J | Option exercise (derivative) | 921 | $0.00 | 1,843 |
| 2026-10-01 | Hawkins Richard J | Option exercise | 921 | $0.00 | 2,450 |
| 2026-10-01 | van Es-Johansson An | Option exercise (derivative) | 921 | $0.00 | 1,843 |
| 2026-10-01 | van Es-Johansson An | Option exercise | 921 | $0.00 | 1,843 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 287 | $0.00 | 27,070 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 1,165 | $0.00 | 27,357 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise (derivative) | 1,533 | $0.00 | 28,522 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 287 | $0.00 | 9,941 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 1,165 | $0.00 | 9,654 |
| 2026-07-01 | Sims Andrew John Hugh MacIntyre | Option exercise | 1,533 | $0.00 | 8,489 |
| 2026-07-01 | Hawkins Richard J | Option exercise (derivative) | 922 | $0.00 | 2,764 |
| 2026-07-01 | Hawkins Richard J | Option exercise | 922 | $0.00 | 1,529 |
| 2026-07-01 | Clowes Howard | Option exercise (derivative) | 922 | $0.00 | 2,764 |
| 2026-07-01 | Clowes Howard | Option exercise | 922 | $0.00 | 1,981 |
| 2026-07-01 | HEDRICK MARC H | Option exercise (derivative) | 1,986 | $0.00 | 153,598 |
| 2026-07-01 | HEDRICK MARC H | Option exercise (derivative) | 8,066 | $0.00 | 155,584 |
| 2026-07-01 | HEDRICK MARC H | Option exercise (derivative) | 6,387 | $0.00 | 163,650 |
| 2026-07-01 | HEDRICK MARC H | Option exercise | 1,986 | $0.00 | 44,483 |
| 2026-07-01 | HEDRICK MARC H | Option exercise | 8,066 | $0.00 | 42,497 |
| 2026-07-01 | HEDRICK MARC H | Option exercise | 6,387 | $0.00 | 34,431 |
| 2026-07-01 | van Es-Johansson An | Option exercise (derivative) | 922 | $0.00 | 2,764 |
| 2026-07-01 | van Es-Johansson An | Option exercise | 922 | $0.00 | 922 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.