Mark Kaufmann
Insider
First SEC filing: June 18, 2014 · Latest: June 18, 2014
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 7, 2019 | ARDX | M 10b5-1 | 20,000 | $0.54 | $10,800 | 161,418 Direct | +14.14% | Acquired | 518.5% (price as of 2026-10-02) |
| Oct. 7, 2019 | ARDX | S 10b5-1 | 20,000 | $4.56 | $91,200 | 141,418 Direct | -12.39% | Disposed | -26.8% (price as of 2026-10-02) |
| Oct. 7, 2019 | ARDX | M 10b5-1 | 20,000 | · | · | 95,894 Direct | -17.26% | Disposed | (price as of 2026-10-02) |
| June 4, 2019 | ARDX | S | 3,357 | $2.55 | $8,560 | 139,088 Direct | -2.36% | Disposed | 31.0% (price as of 2026-10-02) |
| Jan. 17, 2019 | ARDX | A | 120,000 | · | · | 120,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2019 | ARDX | S | 6,556 | $1.70 | $11,145 | 139,933 Direct | -4.48% | Disposed | 96.5% (price as of 2026-10-02) |
| Nov. 13, 2018 | ARDX | S | 6,539 | $2.84 | $18,571 | 146,489 Direct | -4.27% | Disposed | 17.6% (price as of 2026-10-02) |
| July 26, 2018 | ARDX | A | 54,730 | · | · | 54,730 Direct | · | Acquired | (price as of 2026-10-02) |
| July 26, 2018 | ARDX | A | 100,000 | · | · | 151,386 Direct | +194.61% | Acquired | (price as of 2026-10-02) |
| Jan. 16, 2018 | ARDX | A | 117,104 | · | · | 117,104 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2017 | ARDX | A | 26,512 | · | · | 26,512 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2017 | ARDX | A | 26,512 | · | · | 48,588 Direct | +120.09% | Acquired | (price as of 2026-10-02) |
| Jan. 19, 2017 | ARDX | A | 74,233 | · | · | 74,233 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 19, 2017 | ARDX | A | 17,985 | · | · | 21,585 Direct | +499.58% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2016 | ARDX | M 10b5-1 | 5,000 | · | · | 115,894 Direct | -4.14% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2016 | ARDX | S 10b5-1 | 5,000 | $10.25 | $51,250 | 1,282 Direct | -79.59% | Disposed | -67.4% (price as of 2026-10-02) |
| Feb. 16, 2016 | ARDX | M 10b5-1 | 5,000 | $0.54 | $2,700 | 6,282 Direct | +390.02% | Acquired | 518.5% (price as of 2026-10-02) |
| Jan. 15, 2016 | ARDX | A | 102,701 | · | · | 102,701 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2015 | ARDX | A | 686 | $13.99 | $9,597 | 1,282 Direct | +115.10% | Acquired | -76.1% (price as of 2026-10-02) |
| May 4, 2015 | ARDX | M 10b5-1 | 9,083 | · | · | 120,894 Direct | -6.99% | Disposed | (price as of 2026-10-02) |
| May 4, 2015 | ARDX | S 10b5-1 | 9,083 | $10.81 | $98,187 | 596 Direct | -93.84% | Disposed | -69.1% (price as of 2026-10-02) |
| May 4, 2015 | ARDX | M 10b5-1 | 9,083 | $0.54 | $4,905 | 9,679 Direct | +1523.99% | Acquired | 518.5% (price as of 2026-10-02) |
| April 6, 2015 | ARDX | M 10b5-1 | 7,681 | · | · | 129,977 Direct | -5.58% | Disposed | (price as of 2026-10-02) |
| April 6, 2015 | ARDX | S 10b5-1 | 7,681 | $12.80 | $98,317 | 596 Direct | -92.80% | Disposed | -73.9% (price as of 2026-10-02) |
| April 6, 2015 | ARDX | M 10b5-1 | 7,681 | $0.54 | $4,148 | 8,277 Direct | +1288.76% | Acquired | 518.5% (price as of 2026-10-02) |
| March 3, 2015 | ARDX | M 10b5-1 | 6,075 | · | · | 137,658 Direct | -4.23% | Disposed | (price as of 2026-10-02) |
| March 3, 2015 | ARDX | S 10b5-1 | 6,075 | $15.60 | $94,770 | 596 Direct | -91.07% | Disposed | -78.6% (price as of 2026-10-02) |
| March 3, 2015 | ARDX | M 10b5-1 | 6,075 | $0.54 | $3,280 | 6,671 Direct | +1019.30% | Acquired | 518.5% (price as of 2026-10-02) |
| Jan. 6, 2015 | ARDX | A | 23,700 | · | · | 23,700 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 |
|---|---|---|---|---|---|---|---|
| Oct. 7, 2019 | ARDX | Stock Option (Right to Buy) | Common Stock | $0.54 | Aug. 11, 2021 | 20,000 | Disposed |
| Jan. 17, 2019 | ARDX | Stock Option | Common Stock | $2.32 | Jan. 17, 2029 | 120,000 | Acquired |
| July 26, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock | $4.30 | July 26, 2028 | 54,730 | Acquired |
| Jan. 16, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock | $7.10 | Jan. 16, 2028 | 117,104 | Acquired |
| Aug. 9, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock | $4.70 | Aug. 9, 2027 | 26,512 | Acquired |
| Jan. 19, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock | $13.90 | Jan. 19, 2027 | 74,233 | Acquired |
| Feb. 16, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock | $0.54 | Aug. 11, 2021 | 5,000 | Disposed |
| Jan. 15, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock | $10.55 | Jan. 15, 2026 | 102,701 | Acquired |
| May 4, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock | $0.54 | Aug. 11, 2021 | 9,083 | Disposed |
| April 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock | $0.54 | Aug. 11, 2021 | 7,681 | Disposed |
| March 3, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock | $0.54 | Aug. 11, 2021 | 6,075 | Disposed |
| Jan. 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock | $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) | · | 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.