Nessan Bermingham
First SEC filing: June 11, 2026 · Latest: June 11, 2026
Insider at
Insider transactions
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 | KRRO | A | 14,677 | · | · | 14,677 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2025 | KRRO | A | 6,010 | · | · | 6,010 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2024 | KRRO | A | 5,190 | · | · | 5,190 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 3, 2023 | KRRO | A | 24,712 | · | · | 24,712 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 3, 2023 | KRRO | A | 67,061 | · | · | 67,061 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 3, 2023 | KRRO | A | 35,114 | · | · | 35,114 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2017 | NTLA | A | 292,500 | · | · | 292,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 8, 2017 | NTLA | S 10b5-1 | 94,143 | $20.82 | $1,960,057 | 458,250 Direct | -17.04% | Disposed | -38.8% (price as of 2026-10-05) |
| Dec. 7, 2017 | NTLA | S 10b5-1 | 27,566 | $21.46 | $591,566 | 552,393 Direct | -4.75% | Disposed | -40.6% (price as of 2026-10-05) |
| Dec. 7, 2017 | NTLA | S 10b5-1 | 103,574 | $21.05 | $2,180,233 | 579,959 Direct | -15.15% | Disposed | -39.4% (price as of 2026-10-05) |
| Dec. 6, 2017 | NTLA | S 10b5-1 | 12,467 | $20.84 | $259,812 | 683,533 Direct | -1.79% | Disposed | -38.8% (price as of 2026-10-05) |
| Dec. 6, 2017 | NTLA | S 10b5-1 | 99,033 | $20.28 | $2,008,389 | 696,000 Direct | -12.46% | Disposed | -37.1% (price as of 2026-10-05) |
| June 1, 2017 | NTLA | A | 8,400 | $11.95 | $100,380 | 795,033 Direct | +1.07% | Acquired | 6.7% (price as of 2026-10-05) |
| Jan. 6, 2017 | NTLA | A | 270,000 | · | · | 270,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 11, 2016 | NTLA | C | 675,883 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 11, 2016 | NTLA | C | 437,019 | · | · | 786,633 Direct | +125.00% | Acquired | (price as of 2026-10-05) |
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 | KRRO | Stock Option (Right to Buy) | Common Stock | $10.59 | June 9, 2036 | 14,677 | Acquired |
| June 11, 2025 | KRRO | Stock Option (Right to Buy) | Common Stock | $14.87 | June 10, 2035 | 6,010 | Acquired |
| June 11, 2024 | KRRO | Stock Option (Right to Buy) | Common Stock | $42.19 | June 10, 2034 | 5,190 | Acquired |
| Nov. 3, 2023 | KRRO | Stock Option (Right to Buy) | Common Stock | · | Feb. 8, 2033 | 24,712 | Acquired |
| Nov. 3, 2023 | KRRO | Stock Option (Right to Buy) | Common Stock | · | Aug. 13, 2030 | 67,061 | Acquired |
| Dec. 12, 2017 | NTLA | Stock Option (right to buy) | Common Stock | $18.30 | Dec. 11, 2027 | 292,500 | Acquired |
| Jan. 6, 2017 | NTLA | Stock Option (right to buy) | Common Stock | $13.88 | Jan. 5, 2027 | 270,000 | Acquired |
| May 11, 2016 | NTLA | Founder Stock | Common Stock | · | · | 675,883 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2017 | $524,846 | $324,002 | · | $9,896,380 | · | · | $529,497 | $11,274,725 |
| 2016 | $450,000 | $225,000 | · | · | · | · | $718 | $4,014,048 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.