Mark L First
Insider
First SEC filing: June 11, 2026 · Latest: June 11, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 10, 2026 | ADUS | A | 1,449 | · | · | 15,070 Direct | +10.64% | Acquired | (price as of 2026-10-02) |
| June 18, 2025 | ADUS | A | 1,172 | · | · | 13,621 Direct | +9.41% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2024 | ADUS | G | 7,942 | · | · | 12,449 Direct | -38.95% | Disposed | (price as of 2026-10-02) |
| June 12, 2024 | ADUS | A | 1,013 | · | · | 20,391 Direct | +5.23% | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | ADUS | A | 1,289 | · | · | 19,378 Direct | +7.13% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2022 | ADUS | G | 5,918 | · | · | 18,089 Direct | -24.65% | Disposed | (price as of 2026-10-02) |
| June 15, 2022 | ADUS | A | 1,406 | · | · | 24,007 Direct | +6.22% | Acquired | (price as of 2026-10-02) |
| June 16, 2021 | ADUS | A | 1,304 | · | · | 22,601 Direct | +6.12% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2020 | ADUS | J | 52,774 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2020 | ADUS | S | 513,864 | $100.75 | $51,771,798 | 52,774 Indirect | -90.69% | Disposed | 10.4% (price as of 2026-10-02) |
| Oct. 27, 2020 | ADUS | A | 1,075 | · | · | 21,297 Direct | +5.32% | Acquired | (price as of 2026-10-02) |
| Aug. 13, 2020 | ADUS | S | 475,000 | $94.26 | $44,773,500 | 566,638 Indirect | -45.60% | Disposed | 18.0% (price as of 2026-10-02) |
| Nov. 13, 2019 | ADUS | S | 690,000 | $82.55 | $56,959,500 | 1,041,638 Indirect | -39.85% | Disposed | 34.8% (price as of 2026-10-02) |
| June 12, 2019 | ADUS | A | 1,071 | · | · | 20,222 Direct | +5.59% | Acquired | (price as of 2026-10-02) |
| June 11, 2019 | ADUS | S | 440,000 | $74.08 | $32,595,200 | 1,731,638 Indirect | -20.26% | Disposed | 50.2% (price as of 2026-10-02) |
| Nov. 28, 2018 | ADUS | S | 2,183 | $73.08 | $159,534 | 2,171,638 Indirect | -0.10% | Disposed | 52.3% (price as of 2026-10-02) |
| Nov. 28, 2018 | ADUS | S | 185,417 | $72.19 | $13,385,253 | 2,173,821 Indirect | -7.86% | Disposed | 54.1% (price as of 2026-10-02) |
| Nov. 27, 2018 | ADUS | S | 2,825 | $75.21 | $212,468 | 2,359,238 Indirect | -0.12% | Disposed | 47.9% (price as of 2026-10-02) |
| Nov. 27, 2018 | ADUS | S | 78,915 | $74.31 | $5,864,174 | 2,362,063 Indirect | -3.23% | Disposed | 49.7% (price as of 2026-10-02) |
| Nov. 27, 2018 | ADUS | S | 16,140 | $73.23 | $1,181,932 | 2,440,978 Indirect | -0.66% | Disposed | 51.9% (price as of 2026-10-02) |
| Nov. 27, 2018 | ADUS | S | 254,520 | $72.00 | $18,325,440 | 2,457,118 Indirect | -9.39% | Disposed | 54.5% (price as of 2026-10-02) |
| Aug. 20, 2018 | ADUS | S | 1,024,733 | $59.00 | $60,459,247 | 2,711,638 Indirect | -27.43% | Disposed | 88.6% (price as of 2026-10-02) |
| June 13, 2018 | ADUS | A | 1,340 | · | · | 19,151 Direct | +7.52% | Acquired | (price as of 2026-10-02) |
| June 14, 2017 | ADUS | A | 2,024 | · | · | 17,811 Direct | +12.82% | Acquired | (price as of 2026-10-02) |
| May 11, 2017 | ADUS | S | 160,000 | $39.40 | $6,304,000 | 3,736,371 Indirect | -4.11% | Disposed | 182.4% (price as of 2026-10-02) |
| June 15, 2016 | ADUS | A | 2,045 | · | · | 3,912,158 Direct | +0.05% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2015 | ADUS | S | 23,823 | $32.09 | $764,480 | 3,896,371 Indirect | -0.61% | Disposed | 246.7% (price as of 2026-10-02) |
| Sept. 14, 2015 | ADUS | S | 30,306 | $32.26 | $977,672 | 3,920,194 Indirect | -0.77% | Disposed | 244.9% (price as of 2026-10-02) |
| Sept. 11, 2015 | ADUS | S | 72,500 | $33.11 | $2,400,475 | 3,950,500 Indirect | -1.80% | Disposed | 236.1% (price as of 2026-10-02) |
| June 17, 2015 | ADUS | A | 1,403 | · | · | 4,036,742 Direct | +0.03% | Acquired | (price as of 2026-10-02) |
| June 18, 2014 | ADUS | A | 920 | · | · | 4,035,339 Direct | +0.02% | Acquired | (price as of 2026-10-02) |
| June 19, 2013 | ADUS | A | 1,007 | · | · | 4,034,419 Direct | +0.02% | Acquired | (price as of 2026-10-02) |
| June 20, 2012 | ADUS | A | 7,412 | · | · | 4,033,412 Direct | +0.18% | Acquired | (price as of 2026-10-02) |
| March 30, 2011 | ADUS | A | 2,000 | · | · | 4,026,000 Direct | +0.05% | Acquired | (price as of 2026-10-02) |
| Nov. 2, 2009 | ADUS | C | 37,250 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 2, 2009 | ADUS | C | 4,023,000 | · | · | 4,023,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Oct. 27, 2009 | ADUS | A | 1,000 | · | · | 1,000 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 |
|---|---|---|---|---|---|---|---|
| Nov. 2, 2009 | ADUS | Series A Convertible Preferred Stock | Common Stock | · | · | 37,250 | Disposed |
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. 27, 2009 | ADUS | Series A Convertible Preferred Stock | 4,023,000 | Indirect |