Joshua T Brumm
CIK 1528826 · View on SEC EDGAR ↗
Insider
First SEC filing: June 23, 2025 · Latest: June 23, 2025
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)
1 sells (S)
Net:
$-761,067
+ 49 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
49 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 22, 2026 | CBIO | S 10b5-1 | 42,305 | $17.99 | $761,067 | 281,212 Direct | -13.08% | Disposed | -9.4% (price as of 2026-08-21) |
| March 11, 2024 | DYN | S 10b5-1 | 8,618 | $25.93 | $223,465 | 537,998 Direct | -1.58% | Disposed | 1.8% (price as of 2026-08-21) |
| March 11, 2024 | DYN | S 10b5-1 | 7,769 | $26.12 | $202,926 | 546,616 Direct | -1.40% | Disposed | 1.0% (price as of 2026-08-21) |
| March 11, 2024 | DYN | S 10b5-1 | 9,928 | $26.10 | $259,121 | 554,385 Direct | -1.76% | Disposed | 1.1% (price as of 2026-08-21) |
| March 11, 2024 | DYN | S 10b5-1 | 40,072 | $25.42 | $1,018,630 | 564,313 Direct | -6.63% | Disposed | 3.8% (price as of 2026-08-21) |
| March 8, 2024 | DYN | S 10b5-1 | 435 | $27.38 | $11,910 | 554,385 Direct | -0.08% | Disposed | -3.6% (price as of 2026-08-21) |
| March 8, 2024 | DYN | S 10b5-1 | 160,670 | $26.72 | $4,293,102 | 554,820 Direct | -22.46% | Disposed | -1.2% (price as of 2026-08-21) |
| March 8, 2024 | DYN | S 10b5-1 | 202,238 | $25.30 | $5,116,621 | 715,490 Direct | -22.04% | Disposed | 4.3% (price as of 2026-08-21) |
| March 7, 2024 | DYN | S 10b5-1 | 9,086 | $25.85 | $234,873 | 554,385 Direct | -1.61% | Disposed | 2.1% (price as of 2026-08-21) |
| March 1, 2024 | DYN | S 10b5-1 | 1,414 | $29.70 | $41,996 | 563,471 Direct | -0.25% | Disposed | -11.1% (price as of 2026-08-21) |
| March 1, 2024 | DYN | S 10b5-1 | 74,090 | $29.23 | $2,165,651 | 564,885 Direct | -11.60% | Disposed | -9.7% (price as of 2026-08-21) |
| March 1, 2024 | DYN | S 10b5-1 | 18,976 | $28.25 | $536,072 | 638,975 Direct | -2.88% | Disposed | -6.6% (price as of 2026-08-21) |
| Feb. 29, 2024 | DYN | S 10b5-1 | 5,520 | $27.50 | $151,800 | 563,471 Direct | -0.97% | Disposed | -4.0% (price as of 2026-08-21) |
| Jan. 4, 2024 | DYN | S 10b5-1 | 38,301 | $19.05 | $729,634 | 584,971 Direct | -6.15% | Disposed | 38.5% (price as of 2026-08-21) |
| Jan. 4, 2024 | DYN | S 10b5-1 | 180,235 | $18.40 | $3,316,324 | 623,272 Direct | -22.43% | Disposed | 43.4% (price as of 2026-08-21) |
| Jan. 3, 2024 | DYN | S 10b5-1 | 16,026 | $20.50 | $328,533 | 584,971 Direct | -2.67% | Disposed | 28.7% (price as of 2026-08-21) |
| Jan. 3, 2024 | DYN | S 10b5-1 | 19,775 | $19.03 | $376,318 | 600,997 Direct | -3.19% | Disposed | 38.7% (price as of 2026-08-21) |
| Jan. 3, 2024 | DYN | S 10b5-1 | 15,382 | $18.34 | $282,106 | 620,772 Direct | -2.42% | Disposed | 43.9% (price as of 2026-08-21) |
| Dec. 11, 2023 | DYN | S 10b5-1 | 7,585 | $10.72 | $81,311 | 584,971 Direct | -1.28% | Disposed | 146.2% (price as of 2026-08-21) |
| Sept. 18, 2023 | DYN | S 10b5-1 | 12,032 | $9.41 | $113,221 | 233,679 Direct | -4.90% | Disposed | 180.4% (price as of 2026-08-21) |
| Sept. 12, 2023 | DYN | S 10b5-1 | 7,672 | $10.41 | $79,866 | 245,711 Direct | -3.03% | Disposed | 153.5% (price as of 2026-08-21) |
| June 12, 2023 | DYN | S | 187,748 | $12.61 | $2,367,502 | 253,383 Direct | -42.56% | Disposed | 109.3% (price as of 2026-08-21) |
| June 9, 2023 | DYN | S | 76,582 | $13.34 | $1,021,604 | 269,771 Direct | -22.11% | Disposed | 97.8% (price as of 2026-08-21) |
| June 8, 2023 | DYN | S | 14,189 | $13.47 | $191,126 | 269,771 Direct | -5.00% | Disposed | 95.9% (price as of 2026-08-21) |
| June 8, 2023 | DYN | S | 46,811 | $13.15 | $615,565 | 283,960 Direct | -14.15% | Disposed | 100.7% (price as of 2026-08-21) |
| March 14, 2023 | DYN | S 10b5-1 | 7,318 | $13.33 | $97,549 | 322,483 Direct | -2.22% | Disposed | 98.0% (price as of 2026-08-21) |
| Dec. 12, 2022 | DYN | S 10b5-1 | 3,322 | $10.87 | $36,110 | 329,801 Direct | -1.00% | Disposed | 142.8% (price as of 2026-08-21) |
| Oct. 10, 2022 | DYN | S | 195,800 | $12.46 | $2,439,668 | 204,623 Direct | -48.90% | Disposed | 111.8% (price as of 2026-08-21) |
| Oct. 7, 2022 | DYN | S | 14,200 | $13.37 | $189,854 | 204,623 Direct | -6.49% | Disposed | 97.4% (price as of 2026-08-21) |
| March 11, 2022 | DYN | S 10b5-1 | 3,384 | $8.73 | $29,542 | 210,324 Direct | -1.58% | Disposed | 202.3% (price as of 2026-08-21) |
| Sept. 21, 2021 | DYN | S 10b5-1 | 4,584 | $16.11 | $73,848 | 99,018 Direct | -4.42% | Disposed | 63.8% (price as of 2026-08-21) |
| Sept. 20, 2021 | DYN | S 10b5-1 | 3,425 | $15.61 | $53,464 | 103,602 Direct | -3.20% | Disposed | 69.1% (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 |
|---|---|---|---|---|---|---|---|
| March 11, 2024 | DYN | Stock option (right to buy) | Common Stock (50,000) | $5.54 | July 30, 2030 | 50,000 | Disposed |
| March 8, 2024 | DYN | Stock option (right to buy) | Common Stock (209,412) | $5.54 | July 30, 2030 | 209,412 | Disposed |
| March 8, 2024 | DYN | Stock option (right to buy) | Common Stock (153,931) | $5.54 | July 30, 2030 | 153,931 | Disposed |
| March 1, 2024 | DYN | Stock option (right to buy) | Common Stock (36,637) | $5.54 | July 30, 2030 | 36,637 | Disposed |
| March 1, 2024 | DYN | Stock option (right to buy) | Common Stock (57,843) | $5.54 | July 30, 2030 | 57,843 | Disposed |
| Feb. 29, 2024 | DYN | Stock option (right to buy) | Common Stock (5,520) | $5.54 | July 30, 2030 | 5,520 | Disposed |
| Jan. 4, 2024 | DYN | Stock option (right to buy) | Common Stock (200,000) | $5.54 | July 30, 2030 | 200,000 | Disposed |
| Jan. 4, 2024 | DYN | Stock option (right to buy) | Common Stock (18,536) | $1.03 | Jan. 5, 2030 | 18,536 | Disposed |
| Jan. 3, 2024 | DYN | Stock option (right to buy) | Common Stock (51,183) | $1.03 | Jan. 5, 2030 | 51,183 | Disposed |
| Nov. 15, 2023 | DYN | Stock Option (right to buy) | Common Stock (139,750) | $10.88 | Nov. 14, 2033 | 139,750 | Acquired |
| June 12, 2023 | DYN | Stock Option (right to buy) | Common Stock (171,360) | $1.03 | Jan. 5, 2023 | 171,360 | Disposed |
| June 9, 2023 | DYN | Stock Option (right to buy) | Common Stock (76,582) | $1.03 | Jan. 5, 2030 | 76,582 | Disposed |
| June 8, 2023 | DYN | Stock Option (right to buy) | Common Stock (30,088) | $1.03 | Jan. 5, 2030 | 30,088 | Disposed |
| Dec. 9, 2022 | DYN | Stock Option (right to buy) | Common Stock (222,000) | $10.72 | Dec. 8, 2032 | 222,000 | Acquired |
| Oct. 10, 2022 | DYN | Stock Option (right to buy) | Common Stock (195,800) | $1.03 | Jan. 5, 2030 | 195,800 | Disposed |
| Oct. 7, 2022 | DYN | Stock Option (right to buy) | Common Stock (14,200) | $1.03 | Jan. 5, 2030 | 14,200 | Disposed |
| July 5, 2022 | DYN | Stock Option (right to buy) | Common Stock (78,386) | $19.00 | Sept. 15, 2030 | 78,386 | Acquired |
| July 5, 2022 | DYN | Stock Option (right to buy) | Common Stock (153,931) | $5.54 | July 30, 2030 | 153,931 | Acquired |
| Dec. 10, 2021 | DYN | Stock Option (right to buy) | Common Stock (177,285) | $13.12 | Dec. 9, 2031 | 177,285 | Acquired |
| Sept. 16, 2020 | DYN | Stock Option (right to buy) | Common Stock (320,781) | $19.00 | Sept. 15, 2030 | 320,781 | 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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 23, 2025 | CBIO | Ordinary Shares | — | Direct |
| June 23, 2025 | CBIO | Stock Option (Right to Buy)→ Ordinary Shares (805,200) | 805,200 | Direct |
| Sept. 16, 2020 | DYN | Stock Option (right to buy)→ Common Stock (557,749) | 557,749 | Direct |
| Sept. 16, 2020 | DYN | Stock Option (right to buy)→ Common Stock (379,318) | 379,318 | Direct |
| Sept. 16, 2020 | DYN | Stock Option (right to buy)→ Common Stock (307,863) | 307,863 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $156,027 | — | $10,511,192 | $3,192,262 | — | — | $523,530 | $14,383,011 |
| 2023 | $643,550 | — | $3,904,582 | $965,225 | $460,138 | — | $996 | $5,974,491 |
| 2022 | $610,000 | — | $1,709,371 | $1,661,236 | $335,500 | — | $996 | $4,317,103 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.