Michael Raab
CIK 1321402 · View on SEC EDGAR ↗
Insider
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
0 buys (P)
9 sells (S)
Net:
$-1,557,439
+ 27 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
27 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | ARDX | S 10b5-1 | 41,668 | $5.06 | $210,840 | 1,678,366 Direct | -2.42% | Disposed | -20.7% (price as of 2026-08-19) |
| June 15, 2026 | ARDX | S 10b5-1 | 41,666 | $5.67 | $236,246 | 1,699,200 Direct | -2.39% | Disposed | -29.2% (price as of 2026-08-19) |
| May 21, 2026 | ARDX | S | 14,933 | $6.27 | $93,630 | 1,759,848 Direct | -0.84% | Disposed | -36.0% (price as of 2026-08-19) |
| May 21, 2026 | ARDX | S | 7,861 | $6.27 | $49,288 | 1,751,987 Direct | -0.45% | Disposed | -36.0% (price as of 2026-08-19) |
| May 21, 2026 | ARDX | S | 17,926 | $6.27 | $112,396 | 1,734,061 Direct | -1.02% | Disposed | -36.0% (price as of 2026-08-19) |
| May 21, 2026 | ARDX | S | 14,028 | $6.27 | $87,956 | 1,720,033 Direct | -0.81% | Disposed | -36.0% (price as of 2026-08-19) |
| May 15, 2026 | ARDX | S 10b5-1 | 41,666 | $6.28 | $261,662 | 1,774,781 Direct | -2.29% | Disposed | -36.1% (price as of 2026-08-19) |
| April 15, 2026 | ARDX | S 10b5-1 | 41,668 | $6.29 | $262,092 | 1,795,614 Direct | -2.27% | Disposed | -36.2% (price as of 2026-08-19) |
| March 16, 2026 | ARDX | S 10b5-1 | 41,666 | $5.84 | $243,329 | 1,816,448 Direct | -2.24% | Disposed | -31.3% (price as of 2026-08-19) |
| May 23, 2023 | ARDX | S | 11,357 | $3.65 | $41,453 | 887,655 Direct | -1.26% | Disposed | 10.0% (price as of 2026-08-19) |
| Sept. 8, 2015 | ARDX | S 10b5-1 | 9,785 | $20.29 | $198,538 | 70,385 Indirect | -12.21% | Disposed | -80.2% (price as of 2026-08-19) |
| Aug. 18, 2015 | ARDX | S 10b5-1 | 1,104 | $20.00 | $22,080 | 80,170 Indirect | -1.36% | Disposed | -79.9% (price as of 2026-08-19) |
| Aug. 3, 2015 | ARDX | S 10b5-1 | 300 | $20.00 | $6,000 | 81,247 Direct | -0.37% | Disposed | -79.9% (price as of 2026-08-19) |
| July 28, 2015 | ARDX | S 10b5-1 | 2,111 | $20.00 | $42,220 | 81,547 Direct | -2.52% | Disposed | -79.9% (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 15, 2026 | ARDX | Stock Option (Right to Buy) | Common Stock (20,834) | $0.99 | Jan. 6, 2032 | 20,834 | Disposed |
| June 15, 2026 | ARDX | Stock Option (Right to Buy) | Common Stock (20,833) | $0.99 | Jan. 6, 2032 | 20,833 | Disposed |
| May 15, 2026 | ARDX | Stock Option (Right to Buy) | Common Stock (20,833) | $0.99 | Jan. 6, 2032 | 20,833 | Disposed |
| April 15, 2026 | ARDX | Stock Option (Right to Buy) | Common Stock (20,834) | $0.99 | Jan. 6, 2032 | 20,834 | Disposed |
| March 16, 2026 | ARDX | Stock Option (Right to Buy) | Common Stock (20,833) | $0.99 | Jan. 6, 2032 | 20,833 | Disposed |
| Jan. 27, 2026 | TPST | Stock Option (right to buy) | Common Stock (1,230) | $2.94 | Jan. 26, 2036 | 1,230 | Acquired |
| June 15, 2023 | TPST | Stock Option (right to buy) | Common Stock (8,200) | $1.42 | June 14, 2033 | 8,200 | Acquired |
| June 17, 2022 | TPST | Stock Option (Right to Buy) | Common Stock (3,500) | $2.08 | June 16, 2032 | 3,500 | Acquired |
| Sept. 21, 2021 | TPST | Stock Option (Right to Buy) | Common Stock (6,635) | $15.15 | Sept. 20, 2031 | 6,635 | Acquired |
| June 25, 2021 | TPST | Stock Option (Right to Buy) | Common Stock (16,784) | $4.97 | Dec. 18, 2028 | 16,784 | Acquired |
| June 25, 2021 | TPST | Stock Option (Right to Buy) | Common Stock (9,660) | $5.90 | March 29, 2030 | 9,660 | Acquired |
| June 25, 2021 | TPST | Stock Option (Right to Buy) | Common Stock (4,830) | $10.25 | March 9, 2031 | 4,830 | Acquired |
| July 26, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock (185,000) | $4.30 | July 26, 2028 | 185,000 | Acquired |
| Jan. 16, 2018 | ARDX | Stock Option (Right to Buy) | Common Stock (390,348) | $7.10 | Jan. 16, 2028 | 390,348 | Acquired |
| Aug. 9, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock (79,535) | $4.70 | Aug. 9, 2027 | 79,535 | Acquired |
| Jan. 19, 2017 | ARDX | Stock Option (Right to Buy) | Common Stock (318,141) | $13.90 | Jan. 19, 2027 | 318,141 | Acquired |
| Jan. 15, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock (301,258) | $10.55 | Jan. 15, 2026 | 301,258 | Acquired |
| Jan. 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (75,000) | $23.02 | Jan. 6, 2025 | 75,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
ARDX
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $797,000 | — | $2,953,724 | $3,413,948 | $627,638 | — | $3,861 | $7,796,171 |
| 2024 | $770,000 | — | $4,170,500 | $4,164,621 | $495,880 | — | $5,164 | $9,606,165 |
| 2023 | $700,000 | $330,000 | $687,500 | $2,395,694 | — | — | $4,950 | $4,118,144 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.