David M. Epstein
Insider
First SEC filing: Jan. 29, 2020 · Latest: Jan. 29, 2020
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 | GYRE | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 4, 2025 | GYRE | A | 26,000 | · | · | 26,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2024 | GYRE | A | 52,000 | · | · | 52,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2024 | GYRE | A | 1,866 | · | · | 1,866 Direct | · | Acquired | (price as of 2026-10-02) |
| June 27, 2023 | BDTX | S 10b5-1 | 25,000 | $6.70 | $167,500 | 671,423 Direct | -3.59% | Disposed | -71.8% (price as of 2026-10-02) |
| Feb. 13, 2023 | BDTX | A | 420,000 | · | · | 420,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2022 | BDTX | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2021 | BDTX | A | 225,000 | · | · | 225,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2021 | BDTX | M | 3,000 | · | · | 230,116 Direct | -1.29% | Disposed | (price as of 2026-10-02) |
| Jan. 4, 2021 | BDTX | S 10b5-1 | 2,015 | $31.80 | $64,077 | 696,423 Direct | -0.29% | Disposed | -94.1% (price as of 2026-10-02) |
| Jan. 4, 2021 | BDTX | S 10b5-1 | 9,985 | $30.99 | $309,435 | 698,438 Direct | -1.41% | Disposed | -93.9% (price as of 2026-10-02) |
| Jan. 4, 2021 | BDTX | M | 3,000 | $6.42 | $19,260 | 708,423 Direct | +0.43% | Acquired | -70.6% (price as of 2026-10-02) |
| Dec. 15, 2020 | BDTX | M | 2,500 | · | · | 233,116 Direct | -1.06% | Disposed | (price as of 2026-10-02) |
| Dec. 15, 2020 | BDTX | M | 2,500 | $6.42 | $16,050 | 705,423 Direct | +0.36% | Acquired | -70.6% (price as of 2026-10-02) |
| Dec. 1, 2020 | BDTX | M | 3,000 | $6.42 | $19,260 | 714,923 Direct | +0.42% | Acquired | -70.6% (price as of 2026-10-02) |
| Dec. 1, 2020 | BDTX | S 10b5-1 | 10,923 | $32.64 | $356,527 | 704,000 Direct | -1.53% | Disposed | -94.2% (price as of 2026-10-02) |
| Dec. 1, 2020 | BDTX | S 10b5-1 | 1,077 | $33.45 | $36,026 | 702,923 Direct | -0.15% | Disposed | -94.3% (price as of 2026-10-02) |
| Dec. 1, 2020 | BDTX | M | 3,000 | · | · | 235,616 Direct | -1.26% | Disposed | (price as of 2026-10-02) |
| Nov. 2, 2020 | BDTX | M | 3,000 | · | · | 238,616 Direct | -1.24% | Disposed | (price as of 2026-10-02) |
| Nov. 2, 2020 | BDTX | S 10b5-1 | 83 | $31.88 | $2,646 | 711,923 Direct | -0.01% | Disposed | -94.1% (price as of 2026-10-02) |
| Nov. 2, 2020 | BDTX | S 10b5-1 | 11,917 | $31.13 | $370,976 | 712,006 Direct | -1.65% | Disposed | -93.9% (price as of 2026-10-02) |
| Nov. 2, 2020 | BDTX | M | 3,000 | $6.42 | $19,260 | 723,923 Direct | +0.42% | Acquired | -70.6% (price as of 2026-10-02) |
| Oct. 1, 2020 | BDTX | M | 3,000 | · | · | 241,616 Direct | -1.23% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2020 | BDTX | S 10b5-1 | 12,000 | $30.33 | $363,960 | 720,923 Direct | -1.64% | Disposed | -93.8% (price as of 2026-10-02) |
| Oct. 1, 2020 | BDTX | M | 3,000 | $6.42 | $19,260 | 732,923 Direct | +0.41% | Acquired | -70.6% (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 13,136 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 69,636 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 732,560 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 4,354 | · | · | 729,923 Direct | +0.60% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 23,090 | · | · | 23,090 Indirect | · | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2020 | BDTX | C | 242,904 | · | · | 725,569 Direct | +50.33% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2020 | BDTX | A | 278,532 | · | · | 278,532 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 10, 2026 | GYRE | Stock Option (Right to Buy) | Common Stock | $5.95 | June 10, 2036 | 40,000 | Acquired |
| June 4, 2025 | GYRE | Stock Option (Right to Buy) | Common Stock | $8.58 | June 4, 2035 | 26,000 | Acquired |
| Aug. 14, 2024 | GYRE | Stock Option (Right to Buy) | Common Stock | $9.98 | Aug. 14, 2034 | 52,000 | Acquired |
| Aug. 6, 2024 | GYRE | Stock Option (Right to Buy) | Common Stock | $10.79 | Aug. 6, 2034 | 1,866 | Acquired |
| Feb. 13, 2023 | BDTX | Stock Option (Right to Buy) | Common Stock | $2.92 | Feb. 12, 2033 | 420,000 | Acquired |
| Feb. 15, 2022 | BDTX | Stock Option (Right to Buy) | Common Stock | $3.79 | Feb. 14, 2032 | 300,000 | Acquired |
| Feb. 17, 2021 | BDTX | Stock Option (Right to Buy) | Common Stock | $28.69 | Feb. 16, 2031 | 225,000 | Acquired |
| Jan. 4, 2021 | BDTX | Stock Option (Right to Buy) | Common Stock | $6.42 | Aug. 13, 2029 | 3,000 | Disposed |
| Dec. 15, 2020 | BDTX | Stock Option (Right to Buy) | Common Stock | $6.42 | Aug. 13, 2029 | 2,500 | Disposed |
| Dec. 1, 2020 | BDTX | Stock Option (Right to Buy) | Common Stock | $6.42 | Aug. 13, 2029 | 3,000 | Disposed |
| Nov. 2, 2020 | BDTX | Stock Option (Right to Buy) | Common Stock | $6.42 | Aug. 13, 2029 | 3,000 | Disposed |
| Oct. 1, 2020 | BDTX | Stock Option (Right to Buy) | Common Stock | $6.42 | Aug. 13, 2029 | 3,000 | Disposed |
| Feb. 3, 2020 | BDTX | Series B Preferred Stock | Common Stock | · | · | 13,136 | Disposed |
| Feb. 3, 2020 | BDTX | Series A Preferred Stock | Common Stock | · | · | 69,636 | Disposed |
| Feb. 3, 2020 | BDTX | Series A Preferred Stock | Common Stock | · | · | 732,560 | Disposed |
| Jan. 29, 2020 | BDTX | Stock Option (Right to Buy) | Common Stock | $19.00 | Jan. 29, 2030 | 278,532 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 29, 2020 | BDTX | Common Stock | 482,665 | Direct |
| Jan. 29, 2020 | BDTX | Common Stock | 104,449 | Indirect |
| Jan. 29, 2020 | BDTX | Common Stock | 104,449 | Indirect |
| Jan. 29, 2020 | BDTX | Common Stock | 16,579 | Indirect |
| Jan. 29, 2020 | BDTX | Common Stock | 16,579 | Indirect |
| Jan. 29, 2020 | BDTX | Series A Preferred Stock | 242,904 | Direct |
| Jan. 29, 2020 | BDTX | Series A Preferred Stock | 23,090 | Indirect |
| Jan. 29, 2020 | BDTX | Series B Preferred Stock | 4,354 | Direct |
| Jan. 29, 2020 | BDTX | Stock Option (Right to Buy) | 244,616 | Direct |
| Jan. 29, 2020 | BDTX | Stock Option (Right to Buy) | 281,847 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2022 | $554,350 | · | · | $759,775 | $310,436 | · | $20,296 | $1,644,857 |
| 2021 | $538,201 | · | · | $4,235,494 | $228,735 | · | $87,795 | $5,090,225 |
| 2020 | $507,825 | · | · | $3,030,428 | $270,400 | · | $59,563 | $3,868,216 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.