Mark Thierer
First SEC filing: Oct. 10, 2017 · Latest: Oct. 10, 2017
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2025 | PIIIW | A | 4,000 | · | · | 12,662 Direct | +46.18% | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2025 | PIIIW | A | 4,000 | · | · | 437,121 Direct | +0.92% | Acquired | (price as of 2026-10-02) |
| June 6, 2024 | PIIIW | A | 965,279 | · | · | 965,279 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 23, 2023 | PIIIW | A | 433,121 | · | · | 433,121 Direct | · | Acquired | (price as of 2026-10-02) |
| March 24, 2022 | PIIIW | A | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 24, 2022 | PIIIW | A | 171,069 | · | · | 171,069 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2018 | XRAY | F | 16,128 | $57.18 | $922,199 | 103,198 Direct | -13.52% | Disposed | -84.8% (price as of 2026-10-02) |
| Jan. 12, 2018 | XRAY | A | 56 | · | · | 119,326 Direct | +0.05% | Acquired | (price as of 2026-10-02) |
| Nov. 13, 2017 | XRAY | P | 77,000 | $66.04 | $5,085,080 | 119,270 Direct | +182.16% | Acquired | -86.9% (price as of 2026-10-02) |
| Oct. 13, 2017 | XRAY | A | 62 | · | · | 42,270 Direct | +0.15% | Acquired | (price as of 2026-10-02) |
| Sept. 28, 2017 | XRAY | A | 42,208 | · | · | 42,208 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 6, 2024 | PIIIW | Stock Option (Right to Buy) | Class A Common Stock | $0.55 | June 6, 2034 | 965,279 | Acquired |
| March 24, 2022 | PIIIW | Stock Option (Right to Buy) | Class A Common Stock | $7.95 | March 24, 2032 | 200,000 | Acquired |
| March 24, 2022 | PIIIW | Stock Option (Right to Buy) | Class A Common Stock | $7.95 | March 24, 2032 | 171,069 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 10, 2017 | XRAY | Common Stock | 42,208 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2017 | $780,822 | $2,500,000 | · | · | · | · | · | $5,780,802 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.