David Scadden
Insider
First SEC filing: Feb. 7, 2019 · Latest: Feb. 7, 2019
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-16,968
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 18, 2026 | AGIO | A | 14,950 | · | · | 14,950 Direct | · | Acquired | (price as of 2026-10-02) |
| June 18, 2026 | AGIO | A | 2,927 | · | · | 2,927 Direct | · | Acquired | (price as of 2026-10-02) |
| June 18, 2026 | AGIO | M | 2,816 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 18, 2026 | AGIO | M | 2,816 | · | · | 20,419 Direct | +16.00% | Acquired | (price as of 2026-10-02) |
| June 17, 2026 | EDIT | A | 51,700 | · | · | 51,700 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 12, 2025 | AGIO | M 10b5-1 | 200 | $18.09 | $3,618 | 17,803 Direct | +1.14% | Acquired | 75.8% (price as of 2026-10-02) |
| Nov. 12, 2025 | AGIO | S 10b5-1 | 200 | $43.84 | $8,768 | 17,603 Direct | -1.12% | Disposed | -27.5% (price as of 2026-10-02) |
| Nov. 12, 2025 | AGIO | M 10b5-1 | 200 | · | · | 26,907 Direct | -0.74% | Disposed | (price as of 2026-10-02) |
| Oct. 8, 2025 | AGIO | M 10b5-1 | 200 | $18.09 | $3,618 | 17,803 Direct | +1.14% | Acquired | 75.8% (price as of 2026-10-02) |
| Oct. 8, 2025 | AGIO | S 10b5-1 | 200 | $41.00 | $8,200 | 17,603 Direct | -1.12% | Disposed | -22.4% (price as of 2026-10-02) |
| Oct. 8, 2025 | AGIO | M 10b5-1 | 200 | · | · | 27,107 Direct | -0.73% | Disposed | (price as of 2026-10-02) |
| Sept. 30, 2025 | AGIO | M 10b5-1 | 200 | $18.09 | $3,618 | 17,803 Direct | +1.14% | Acquired | 75.8% (price as of 2026-10-02) |
| Sept. 30, 2025 | AGIO | S 10b5-1 | 200 | $40.00 | $8,000 | 17,603 Direct | -1.12% | Disposed | -20.5% (price as of 2026-10-02) |
| Sept. 30, 2025 | AGIO | M 10b5-1 | 200 | · | · | 27,307 Direct | -0.73% | Disposed | (price as of 2026-10-02) |
| Aug. 27, 2025 | AGIO | M 10b5-1 | 200 | $18.09 | $3,618 | 17,803 Direct | +1.14% | Acquired | 75.8% (price as of 2026-10-02) |
| Aug. 27, 2025 | AGIO | S 10b5-1 | 200 | $40.00 | $8,000 | 17,603 Direct | -1.12% | Disposed | -20.5% (price as of 2026-10-02) |
| Aug. 27, 2025 | AGIO | M 10b5-1 | 200 | · | · | 27,507 Direct | -0.72% | Disposed | (price as of 2026-10-02) |
| July 10, 2025 | AGIO | M 10b5-1 | 1,400 | $18.09 | $25,326 | 19,003 Direct | +7.95% | Acquired | 75.8% (price as of 2026-10-02) |
| July 10, 2025 | AGIO | S 10b5-1 | 1,400 | $40.00 | $56,000 | 17,603 Direct | -7.37% | Disposed | -20.5% (price as of 2026-10-02) |
| July 10, 2025 | AGIO | M 10b5-1 | 1,400 | · | · | 27,707 Direct | -4.81% | Disposed | (price as of 2026-10-02) |
| June 20, 2025 | AGIO | M | 2,120 | · | · | 17,603 Direct | +13.69% | Acquired | (price as of 2026-10-02) |
| June 20, 2025 | AGIO | M | 2,120 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 18, 2025 | AGIO | A | 2,816 | · | · | 2,816 Direct | · | Acquired | (price as of 2026-10-02) |
| June 18, 2025 | AGIO | A | 15,768 | · | · | 15,768 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2025 | EDIT | A | 37,500 | · | · | 37,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2024 | AGIO | M 10b5-1 | 200 | $18.09 | $3,618 | 15,683 Direct | +1.29% | Acquired | 75.8% (price as of 2026-10-02) |
| Dec. 11, 2024 | AGIO | S 10b5-1 | 200 | $46.28 | $9,256 | 15,483 Direct | -1.28% | Disposed | -31.3% (price as of 2026-10-02) |
| Dec. 11, 2024 | AGIO | M 10b5-1 | 200 | · | · | 29,107 Direct | -0.68% | Disposed | (price as of 2026-10-02) |
| June 20, 2024 | AGIO | A | 2,120 | · | · | 2,120 Direct | · | Acquired | (price as of 2026-10-02) |
| June 20, 2024 | AGIO | A | 11,774 | · | · | 11,774 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2024 | AGIO | M | 3,388 | · | · | 15,483 Direct | +28.01% | Acquired | (price as of 2026-10-02) |
| June 13, 2024 | AGIO | M | 3,388 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2024 | EDIT | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 21, 2023 | AGIO | M | 4,975 | · | · | 12,095 Direct | +69.87% | Acquired | (price as of 2026-10-02) |
| June 21, 2023 | AGIO | M | 4,975 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2023 | AGIO | A | 3,388 | · | · | 3,388 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2023 | AGIO | A | 18,958 | · | · | 18,958 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | EDIT | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 28, 2022 | DNTH | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 21, 2022 | AGIO | A | 4,975 | · | · | 4,975 Direct | · | Acquired | (price as of 2026-10-02) |
| June 21, 2022 | AGIO | A | 29,307 | · | · | 29,307 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2022 | EDIT | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2022 | AGIO | M | 1,585 | · | · | 7,120 Direct | +28.64% | Acquired | (price as of 2026-10-02) |
| May 20, 2022 | AGIO | M | 1,585 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 3, 2021 | EDIT | A | 11,538 | · | · | 11,538 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2021 | DNTH | A | 18,188 | · | · | 18,188 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | AGIO | M | 1,686 | · | · | 5,535 Direct | +43.80% | Acquired | (price as of 2026-10-02) |
| May 28, 2021 | AGIO | M | 1,686 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 20, 2021 | AGIO | A | 1,585 | · | · | 1,585 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2021 | AGIO | A | 8,888 | · | · | 8,888 Direct | · | Acquired | (price as of 2026-10-02) |
| June 10, 2020 | EDIT | A | 11,538 | · | · | 11,538 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2020 | DNTH | A | 18,188 | · | · | 18,188 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2020 | AGIO | M | 1,878 | · | · | 3,849 Direct | +95.28% | Acquired | (price as of 2026-10-02) |
| May 29, 2020 | AGIO | M | 1,878 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 28, 2020 | AGIO | A | 8,096 | · | · | 8,096 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2020 | AGIO | A | 1,686 | · | · | 1,686 Direct | · | Acquired | (price as of 2026-10-02) |
| June 7, 2019 | DNTH | A | 18,188 | · | · | 18,188 Direct | · | Acquired | (price as of 2026-10-02) |
| May 31, 2019 | AGIO | M | 1,400 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 31, 2019 | AGIO | M | 1,400 | · | · | 1,971 Direct | +245.18% | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | AGIO | A | 1,878 | · | · | 1,878 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | AGIO | A | 8,919 | · | · | 8,919 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2019 | EDIT | A | 23,076 | · | · | 23,076 Direct | · | Acquired | (price as of 2026-10-02) |
| June 25, 2018 | DNTH | P | 6,600 | $15.00 | $99,000 | 228,175 Direct | +2.98% | Acquired | 488.1% (price as of 2026-10-02) |
| June 25, 2018 | DNTH | C | 16,094 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 25, 2018 | DNTH | C | 6,429 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 25, 2018 | DNTH | C | 50,025 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 25, 2018 | DNTH | C | 28,076 | · | · | 221,575 Direct | +14.51% | Acquired | (price as of 2026-10-02) |
| May 31, 2018 | AGIO | A | 1,400 | · | · | 1,400 Direct | · | Acquired | (price as of 2026-10-02) |
| May 31, 2018 | AGIO | A | 5,700 | · | · | 5,700 Direct | · | Acquired | (price as of 2026-10-02) |
| March 16, 2018 | AGIO | P | 200 | $83.44 | $16,688 | 571 Direct | +53.91% | Acquired | -61.9% (price as of 2026-10-02) |
| June 13, 2017 | AGIO | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 27, 2017 | AGIO | A | 16,000 | · | · | 16,000 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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | AGIO | Stock options (right to buy) | Common stock | $34.16 | June 18, 2036 | 14,950 | Acquired |
| June 18, 2026 | AGIO | Restricted stock units | Common stock | · | · | 2,927 | Acquired |
| June 18, 2026 | AGIO | Restricted stock units | Common stock | · | · | 2,816 | Disposed |
| June 17, 2026 | EDIT | Stock Option (right to buy) | Common Stock | $2.55 | June 16, 2036 | 51,700 | Acquired |
| Nov. 12, 2025 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 200 | Disposed |
| Oct. 8, 2025 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 200 | Disposed |
| Sept. 30, 2025 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 200 | Disposed |
| Aug. 27, 2025 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 200 | Disposed |
| July 10, 2025 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 1,400 | Disposed |
| June 20, 2025 | AGIO | Restricted stock units | Common stock | · | · | 2,120 | Disposed |
| June 18, 2025 | AGIO | Restricted stock units | Common stock | · | · | 2,816 | Acquired |
| June 18, 2025 | AGIO | Stock options (right to buy) | Common stock | $35.50 | June 18, 2035 | 15,768 | Acquired |
| June 6, 2025 | EDIT | Stock Option (right to buy) | Common Stock | $1.91 | June 5, 2035 | 37,500 | Acquired |
| Dec. 11, 2024 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 200 | Disposed |
| June 20, 2024 | AGIO | Restricted stock units | Common stock | · | · | 2,120 | Acquired |
| June 20, 2024 | AGIO | Stock options (right to buy) | Common stock | $42.45 | June 20, 2034 | 11,774 | Acquired |
| June 13, 2024 | AGIO | Restricted stock units | Common stock | · | · | 3,388 | Disposed |
| May 30, 2024 | EDIT | Stock Option (right to buy) | Common Stock | $5.17 | May 29, 2034 | 25,000 | Acquired |
| June 21, 2023 | AGIO | Restricted stock unit | Common stock | · | · | 4,975 | Disposed |
| June 13, 2023 | AGIO | Restricted stock units | Common stock | · | · | 3,388 | Acquired |
| June 13, 2023 | AGIO | Stock options (right to buy) | Common stock | $26.56 | June 13, 2033 | 18,958 | Acquired |
| June 1, 2023 | EDIT | Stock Option (right to buy) | Common Stock | $9.55 | May 31, 2033 | 25,000 | Acquired |
| June 28, 2022 | DNTH | Stock Option (Right to Buy) | Common Stock | $1.21 | June 27, 2032 | 20,000 | Acquired |
| June 21, 2022 | AGIO | Restricted stock unit | Common stock | · | · | 4,975 | Acquired |
| June 21, 2022 | AGIO | Stock options (right to buy) | Common stock | $18.09 | June 21, 2032 | 29,307 | Acquired |
| June 9, 2022 | EDIT | Stock Option (right to buy) | Common Stock | $12.31 | June 8, 2032 | 25,000 | Acquired |
| May 20, 2022 | AGIO | Restricted stock unit | Common stock | · | · | 1,585 | Disposed |
| June 3, 2021 | EDIT | Stock Option (right to buy) | Common Stock | $33.36 | June 2, 2031 | 11,538 | Acquired |
| June 1, 2021 | DNTH | Stock Option (Right to Buy) | Common Stock | $12.91 | May 31, 2031 | 18,188 | Acquired |
| May 28, 2021 | AGIO | Restricted stock units | Common stock | · | · | 1,686 | Disposed |
| May 20, 2021 | AGIO | Restricted stock unit | Common stock | · | · | 1,585 | Acquired |
| May 20, 2021 | AGIO | Stock options (right to buy) | Common stock | $56.76 | May 20, 2031 | 8,888 | Acquired |
| June 10, 2020 | EDIT | Stock Option (right to buy) | Common Stock | $27.49 | June 9, 2030 | 11,538 | Acquired |
| June 5, 2020 | DNTH | Stock Option (Right to Buy) | Common Stock | $9.99 | June 4, 2030 | 18,188 | Acquired |
| May 29, 2020 | AGIO | Restricted stock units | Common stock | · | · | 1,878 | Disposed |
| May 28, 2020 | AGIO | Stock options (right to buy) | Common stock | $53.35 | May 28, 2030 | 8,096 | Acquired |
| May 28, 2020 | AGIO | Restricted stock units | Common stock | · | · | 1,686 | Acquired |
| June 7, 2019 | DNTH | Stock Option (Right to Buy) | Common Stock | $13.40 | June 6, 2029 | 18,188 | Acquired |
| May 31, 2019 | AGIO | Restricted stock units | Common stock | · | · | 1,400 | Disposed |
| May 29, 2019 | AGIO | Restricted stock units | Common stock | · | · | 1,878 | Acquired |
| May 29, 2019 | AGIO | Stock option (right to buy) | Common stock | $47.91 | May 29, 2029 | 8,919 | Acquired |
| Feb. 5, 2019 | EDIT | Stock Option (right to buy) | Common Stock | $21.14 | Feb. 4, 2029 | 23,076 | Acquired |
| June 25, 2018 | DNTH | Series C Preferred Stock | Common Stock | · | · | 16,094 | Disposed |
| June 25, 2018 | DNTH | Series B Preferred Stock | Common Stock | · | · | 6,429 | Disposed |
| June 25, 2018 | DNTH | Series A Preferred Stock | Common Stock | · | · | 50,025 | Disposed |
| May 31, 2018 | AGIO | Restricted stock units | Common stock | · | · | 1,400 | Acquired |
| May 31, 2018 | AGIO | Stock option (right to buy) | Common stock | $93.50 | May 30, 2028 | 5,700 | Acquired |
| June 13, 2017 | AGIO | Stock option (right to buy) | Common stock | $50.73 | June 12, 2027 | 8,000 | Acquired |
| May 27, 2017 | AGIO | Stock option (right to buy) | Common stock | $48.20 | May 26, 2027 | 16,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 7, 2019 | EDIT | No securities are beneficially owned | 0 | Direct |
| June 20, 2018 | DNTH | Common Stock | 193,499 | Direct |
| June 20, 2018 | DNTH | Common Stock | 580,499 | Indirect |
| June 20, 2018 | DNTH | Series A Preferred Stock | 19,360 | Direct |
| June 20, 2018 | DNTH | Series B Preferred Stock | 2,488 | Direct |
| June 20, 2018 | DNTH | Series C Preferred Stock | 6,228 | Direct |
| May 31, 2017 | AGIO | Common stock | 371 | Direct |