Mark Kaufmann
CIK 1611184 · View on SEC EDGAR ↗
First SEC filing: June 18, 2014 · Latest: June 18, 2014
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 16, 2016 | ARDX | S 10b5-1 | 5,000 | $10.25 | $51,250 | 1,282 Direct | -79.59% | Disposed | -60.8% (price as of 2026-08-19) |
| May 4, 2015 | ARDX | S 10b5-1 | 9,083 | $10.81 | $98,187 | 596 Direct | -93.84% | Disposed | -62.9% (price as of 2026-08-19) |
| April 6, 2015 | ARDX | S 10b5-1 | 7,681 | $12.80 | $98,317 | 596 Direct | -92.80% | Disposed | -68.6% (price as of 2026-08-19) |
| March 3, 2015 | ARDX | S 10b5-1 | 6,075 | $15.60 | $94,770 | 596 Direct | -91.07% | Disposed | -74.3% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| July 26, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock (54,730) | $4.30 | July 26, 2028 | 54,730 | Acquired |
| Jan. 16, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock (117,104) | $7.10 | Jan. 16, 2028 | 117,104 | Acquired |
| Aug. 9, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock (26,512) | $4.70 | Aug. 9, 2027 | 26,512 | Acquired |
| Jan. 19, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock (74,233) | $13.90 | Jan. 19, 2027 | 74,233 | Acquired |
| Feb. 16, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock (5,000) | $0.54 | Aug. 11, 2021 | 5,000 | Disposed |
| Jan. 15, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock (102,701) | $10.55 | Jan. 15, 2026 | 102,701 | Acquired |
| May 4, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (9,083) | $0.54 | Aug. 11, 2021 | 9,083 | Disposed |
| April 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (7,681) | $0.54 | Aug. 11, 2021 | 7,681 | Disposed |
| March 3, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (6,075) | $0.54 | Aug. 11, 2021 | 6,075 | Disposed |
| Jan. 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (23,700) | $23.02 | Jan. 6, 2025 | 23,700 | 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 |
|---|---|---|---|---|
| June 18, 2014 | ARDX | Stock Option (Right to buy)→ Common Stock | — | 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 |
|---|---|---|---|---|---|---|---|---|
| 2015 | $320,000 | — | — | — | $117,760 | — | — | $799,183 |
| 2014 | $281,875 | $37,068 | — | — | $86,292 | — | — | $405,235 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.