Michelle Renee Griffin
CIK 1229765 · View on SEC EDGAR ↗
Insider
First SEC filing: June 26, 2019 · Latest: June 26, 2019
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-2,000,259
+ 53 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
53 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 25, 2026 | ADPT | S 10b5-1 | 52,084 | $20.18 | $1,051,055 | 15,625 Direct | -76.92% | Disposed | 24.3% (price as of 2026-08-21) |
| March 11, 2026 | ADPT | S | 15,394 | $13.91 | $214,131 | 15,625 Direct | -49.63% | Disposed | 80.3% (price as of 2026-08-21) |
| March 3, 2026 | ADPT | S 10b5-1 | 48,044 | $15.30 | $735,073 | 15,394 Direct | -75.73% | Disposed | 63.9% (price as of 2026-08-21) |
| March 13, 2025 | ADPT | S | 36,291 | $7.19 | $260,932 | 15,394 Direct | -70.22% | Disposed | 248.8% (price as of 2026-08-21) |
| March 6, 2025 | ADPT | S 10b5-1 | 15,664 | $7.94 | $124,372 | 51,685 Direct | -23.26% | Disposed | 215.9% (price as of 2026-08-21) |
| March 27, 2023 | ADPT | S 10b5-1 | 2,341 | $8.49 | $19,875 | 20,627 Direct | -10.19% | Disposed | 195.4% (price as of 2026-08-21) |
| Aug. 27, 2021 | ADPT | S 10b5-1 | 14,916 | $35.00 | $522,060 | 1,504 Direct | -90.84% | Disposed | -28.3% (price as of 2026-08-21) |
| July 14, 2021 | ADPT | S 10b5-1 | 2,500 | $36.80 | $92,000 | 1,504 Direct | -62.44% | Disposed | -31.8% (price as of 2026-08-21) |
| June 17, 2021 | ADPT | S 10b5-1 | 4,000 | $40.00 | $160,000 | 1,504 Direct | -72.67% | Disposed | -37.3% (price as of 2026-08-21) |
| June 14, 2021 | ADPT | S 10b5-1 | 2,500 | $38.56 | $96,400 | 1,504 Direct | -62.44% | Disposed | -35.0% (price as of 2026-08-21) |
| May 18, 2021 | ADPT | S 10b5-1 | 2,500 | $35.00 | $87,500 | 1,504 Direct | -62.44% | Disposed | -28.3% (price as of 2026-08-21) |
| April 14, 2021 | ADPT | S 10b5-1 | 4,500 | $43.41 | $195,345 | 1,504 Direct | -74.95% | Disposed | -42.2% (price as of 2026-08-21) |
| March 16, 2021 | ADPT | S 10b5-1 | 1,500 | $47.00 | $70,500 | 1,504 Direct | -49.93% | Disposed | -46.6% (price as of 2026-08-21) |
| March 15, 2021 | ADPT | S 10b5-1 | 3,609 | $41.89 | $151,181 | 1,504 Direct | -70.58% | Disposed | -40.1% (price as of 2026-08-21) |
| March 15, 2021 | ADPT | S 10b5-1 | 891 | $41.17 | $36,682 | 5,113 Direct | -14.84% | Disposed | -39.1% (price as of 2026-08-21) |
| Feb. 16, 2021 | ADPT | S 10b5-1 | 6,000 | $65.08 | $390,480 | 1,504 Direct | -79.96% | Disposed | -61.5% (price as of 2026-08-21) |
| Jan. 14, 2021 | ADPT | S 10b5-1 | 959 | $66.43 | $63,706 | 0 Direct | -100.00% | Disposed | -62.2% (price as of 2026-08-21) |
| Jan. 14, 2021 | ADPT | S 10b5-1 | 5,041 | $65.77 | $331,547 | 959 Direct | -84.02% | Disposed | -61.9% (price as of 2026-08-21) |
| Dec. 14, 2020 | ADPT | S 10b5-1 | 1,651 | $59.44 | $98,135 | 0 Direct | -100.00% | Disposed | -57.8% (price as of 2026-08-21) |
| Dec. 14, 2020 | ADPT | S 10b5-1 | 3,367 | $58.96 | $198,518 | 1,651 Direct | -67.10% | Disposed | -57.5% (price as of 2026-08-21) |
| Dec. 14, 2020 | ADPT | S 10b5-1 | 982 | $57.42 | $56,386 | 5,018 Direct | -16.37% | Disposed | -56.3% (price as of 2026-08-21) |
| Nov. 16, 2020 | ADPT | S 10b5-1 | 979 | $48.30 | $47,286 | 0 Direct | -100.00% | Disposed | -48.1% (price as of 2026-08-21) |
| Nov. 16, 2020 | ADPT | S 10b5-1 | 5,021 | $47.57 | $238,849 | 979 Direct | -83.68% | Disposed | -47.3% (price as of 2026-08-21) |
| Oct. 14, 2020 | ADPT | S 10b5-1 | 7,351 | $53.07 | $390,118 | 0 Direct | -100.00% | Disposed | -52.7% (price as of 2026-08-21) |
| Oct. 14, 2020 | ADPT | S 10b5-1 | 4,649 | $52.48 | $243,980 | 7,351 Direct | -38.74% | Disposed | -52.2% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| June 25, 2026 | ADPT | Stock Option (right to buy) | Common Stock (52,084) | $7.80 | April 23, 2029 | 52,084 | Disposed |
| March 3, 2026 | ADPT | Stock Option (right to buy) | Common Stock (48,044) | $3.99 | March 3, 2034 | 48,044 | Disposed |
| March 4, 2025 | ADPT | Stock Option (right to buy) | Common Stock (23,726) | $8.12 | March 4, 2035 | 23,726 | Acquired |
| March 4, 2024 | ADPT | Stock Option (right to buy) | Common Stock (48,044) | $3.99 | March 4, 2034 | 48,044 | Acquired |
| March 6, 2023 | ADPT | Stock Option (right to buy) | Common Stock (23,329) | $8.46 | March 6, 2033 | 23,329 | Acquired |
| Jan. 26, 2022 | ADPT | Stock Option (Right to Buy) | Common Stock (16,722) | $14.95 | Jan. 26, 2032 | 16,722 | Acquired |
| Aug. 27, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (14,916) | $7.80 | April 23, 2029 | 14,916 | Disposed |
| July 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,500) | $7.80 | April 23, 2029 | 2,500 | Disposed |
| June 17, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (4,000) | $7.80 | April 23, 2029 | 4,000 | Disposed |
| June 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,500) | $7.80 | April 23, 2029 | 2,500 | Disposed |
| May 18, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (2,500) | $7.80 | April 23, 2029 | 2,500 | Disposed |
| April 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (4,500) | $7.80 | April 23, 2029 | 4,500 | Disposed |
| March 16, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (1,500) | $7.80 | April 23, 2029 | 1,500 | Disposed |
| March 15, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (4,500) | $7.80 | April 23, 2029 | 4,500 | Disposed |
| Feb. 16, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (6,000) | $7.80 | April 23, 2029 | 6,000 | Disposed |
| Feb. 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (3,759) | $66.50 | Feb. 14, 2031 | 3,759 | Acquired |
| Jan. 14, 2021 | ADPT | Stock Option (Right to Buy) | Common Stock (6,000) | $7.80 | April 23, 2029 | 6,000 | Disposed |
| Dec. 14, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (6,000) | $7.80 | April 23, 2029 | 6,000 | Disposed |
| Nov. 16, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (6,000) | $7.80 | April 23, 2029 | 6,000 | Disposed |
| Oct. 14, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (12,000) | $7.80 | April 23, 2029 | 12,000 | Disposed |
| Feb. 13, 2020 | ADPT | Stock Option (Right to Buy) | Common Stock (8,888) | $31.71 | Feb. 13, 2030 | 8,888 | Acquired |
| May 8, 2012 | ACHV | Restricted Stock Units | Common (17,500) | — | April 30, 2014 | 17,500 | Acquired |
| May 8, 2012 | ACHV | Restricted Stock Units | Common (7,500) | — | Jan. 31, 2016 | 7,500 | Acquired |
| May 8, 2012 | ACHV | Stock Option (right to buy) | Common (15,000) | $13.00 | May 8, 2022 | 15,000 | Acquired |
| Jan. 3, 2011 | ACHV | Stock Option | Common (35,000) | $16.83 | Jan. 3, 2021 | 35,000 | Acquired |
| June 8, 2010 | ACHV | stock option (right to buy) | Common Stock (3,500) | $14.20 | June 8, 2020 | 3,500 | Acquired |
| May 12, 2009 | ACHV | stock option (right to buy) | Common Stock (8,260) | $7.25 | May 12, 2016 | 8,260 | Acquired |
| Oct. 28, 2008 | ACHV | stock option (right to buy) | Common Stock (17,000) | $2.69 | Oct. 28, 2015 | 17,000 | Acquired |
| May 10, 2007 | ACHV | Non-qualified stock option (right to buy) | Common Stock (17,000) | $5.33 | May 10, 2017 | 17,000 | Acquired |
| May 9, 2006 | ACHV | Non-qualified stock option (right to buy) | Common Stock (17,000) | $5.60 | May 9, 2016 | 17,000 | Acquired |
| May 23, 2005 | ACHV | Non-qualified stock option (right to buy) | Common Stock (10,000) | $2.87 | May 23, 2015 | 10,000 | Acquired |
| May 5, 2004 | ACHV | Non-qualified stock option (right to buy) | Common Stock (15,000) | $5.69 | May 5, 2014 | 15,000 | 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 26, 2019 | ADPT | Stock Option (Right to Buy)→ Common Stock (125,000) | 125,000 | Direct |