David P. Rosenbaum
CIK 1611311 · View on SEC EDGAR ↗
Insider
First SEC filing: June 19, 2014 · Latest: Feb. 20, 2020
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)
0 sells (S)
Net:
$0
+ 12 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
12 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 23, 2023 | ARDX | S | 934 | $3.65 | $3,409 | 112,162 Indirect | -0.83% | Disposed | 10.3% (price as of 2026-08-20) |
| May 23, 2023 | ARDX | S | 2,835 | $3.65 | $10,348 | 372,765 Direct | -0.75% | Disposed | 10.3% (price as of 2026-08-20) |
| March 29, 2023 | ARDX | S | 3,000 | $4.63 | $13,890 | 113,096 Indirect | -2.58% | Disposed | -13.1% (price as of 2026-08-20) |
| April 18, 2017 | ARDX | S | 2,051 | $11.98 | $24,571 | 40,129 Direct | -4.86% | Disposed | -66.4% (price as of 2026-08-20) |
| March 10, 2017 | ARDX | S | 1,000 | $13.48 | $13,480 | 1,277 Indirect | -43.92% | Disposed | -70.1% (price as of 2026-08-20) |
| Dec. 16, 2016 | ARDX | S | 900 | $14.48 | $13,032 | 636 Indirect | -58.59% | Disposed | -72.2% (price as of 2026-08-20) |
| March 3, 2016 | ARDX | S 10b5-1 | 1,128 | $10.74 | $12,115 | 22,144 Direct | -4.85% | Disposed | -62.5% (price as of 2026-08-20) |
| Sept. 22, 2015 | ARDX | S 10b5-1 | 600 | $22.00 | $13,200 | 21,940 Direct | -2.66% | Disposed | -81.7% (price as of 2026-08-20) |
| Sept. 22, 2015 | ARDX | S 10b5-1 | 600 | $22.00 | $13,200 | 73,652 Direct | -0.81% | Disposed | -81.7% (price as of 2026-08-20) |
| Sept. 21, 2015 | ARDX | S 10b5-1 | 800 | $22.09 | $17,672 | 22,540 Direct | -3.43% | Disposed | -81.8% (price as of 2026-08-20) |
| Sept. 21, 2015 | ARDX | S 10b5-1 | 800 | $22.09 | $17,672 | 74,252 Indirect | -1.07% | Disposed | -81.8% (price as of 2026-08-20) |
| Sept. 15, 2015 | ARDX | S 10b5-1 | 2,540 | $22.01 | $55,905 | 23,340 Direct | -9.81% | Disposed | -81.7% (price as of 2026-08-20) |
| Sept. 15, 2015 | ARDX | S 10b5-1 | 2,540 | $22.01 | $55,905 | 75,052 Indirect | -3.27% | Disposed | -81.7% (price as of 2026-08-20) |
| Sept. 3, 2015 | ARDX | S 10b5-1 | 1,251 | $19.25 | $24,082 | 25,880 Direct | -4.61% | Disposed | -79.1% (price as of 2026-08-20) |
| Sept. 1, 2015 | ARDX | S 10b5-1 | 1,286 | $18.32 | $23,560 | 0 Indirect | -100.00% | Disposed | -78.0% (price as of 2026-08-20) |
| July 30, 2015 | ARDX | S 10b5-1 | 2,011 | $19.27 | $38,752 | 25,880 Direct | -7.21% | Disposed | -79.1% (price as of 2026-08-20) |
| July 30, 2015 | ARDX | S 10b5-1 | 2,011 | $19.27 | $38,752 | 75,581 Indirect | -2.59% | Disposed | -79.1% (price as of 2026-08-20) |
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 (8,220) | $4.30 | July 26, 2028 | 8,220 | Acquired |
| 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 (16,440) | $7.10 | Jan. 16, 2028 | 16,440 | 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 (106,047) | $13.90 | Jan. 19, 2027 | 106,047 | Acquired |
| Jan. 15, 2016 | ARDX | Stock Option (Right to Buy) | Common Stock (90,377) | $10.55 | Jan. 15, 2026 | 90,377 | Acquired |
| Jan. 6, 2015 | ARDX | Stock Option (Right to Buy) | Common Stock (12,620) | $23.02 | Jan. 6, 2025 | 12,620 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 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
Ph.D.Chief Development Officer| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $461,000 | $92,200 | $394,586 | $590,777 | $92,200 | — | — | $1,630,763 |
| 2019 | $428,250 | — | — | — | $189,000 | — | — | $812,658 |
| 2018 | $414,000 | — | — | — | $107,640 | — | — | $1,711,796 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.