Matthew C. Busch
Insider
First SEC filing: Aug. 21, 2023 · Latest: May 11, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-375,790
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 7, 2026 | AMGN | A | 730 | · | · | 5,080 Direct | +16.78% | Acquired | (price as of 2026-10-06) |
| May 7, 2026 | AMGN | F | 41 | $331.11 | $13,576 | 4,344 Direct | -0.94% | Disposed | 21.6% (price as of 2026-10-06) |
| May 6, 2026 | AMGN | F | 50 | $329.59 | $16,480 | 4,385 Direct | -1.13% | Disposed | 22.2% (price as of 2026-10-06) |
| May 5, 2026 | AMGN | A | 2,969 | $329.59 | $978,553 | 2,969 Direct | · | Acquired | 22.2% (price as of 2026-10-06) |
| May 5, 2026 | AMGN | A | 455 | · | · | 4,435 Direct | +11.43% | Acquired | (price as of 2026-10-06) |
| May 2, 2026 | AMGN | F | 38 | $329.82 | $12,533 | 3,980 Direct | -0.95% | Disposed | 22.1% (price as of 2026-10-06) |
| May 2, 2026 | AMGN | F | 30 | $329.82 | $9,895 | 4,018 Direct | -0.74% | Disposed | 22.1% (price as of 2026-10-06) |
| March 16, 2026 | AMGN | F | 327 | $366.21 | $119,751 | 4,048 Direct | -7.47% | Disposed | 9.9% (price as of 2026-10-06) |
| March 3, 2026 | AMGN | A | 938 | · | · | 4,361 Direct | +27.40% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2026 | AMGN | S | 1,000 | $375.79 | $375,790 | 3,423 Direct | -22.61% | Disposed | 7.1% (price as of 2026-10-06) |
| Nov. 5, 2025 | AMGN | F | 202 | $296.70 | $59,933 | 4,414 Direct | -4.38% | Disposed | 35.7% (price as of 2026-10-06) |
| May 6, 2025 | AMGN | A | 3,585 | $270.44 | $969,527 | 3,585 Direct | · | Acquired | 48.9% (price as of 2026-10-06) |
| May 6, 2025 | AMGN | A | 554 | · | · | 4,588 Direct | +13.73% | Acquired | (price as of 2026-10-06) |
| May 2, 2025 | AMGN | S | 1,000 | $279.69 | $279,690 | 4,034 Direct | -19.86% | Disposed | 43.9% (price as of 2026-10-06) |
| May 2, 2025 | AMGN | F | 37 | $283.78 | $10,500 | 5,034 Direct | -0.73% | Disposed | 41.9% (price as of 2026-10-06) |
| May 2, 2025 | AMGN | F | 28 | $283.78 | $7,946 | 5,071 Direct | -0.55% | Disposed | 41.9% (price as of 2026-10-06) |
| April 30, 2025 | AMGN | F | 18 | $288.56 | $5,194 | 5,099 Direct | -0.35% | Disposed | 39.5% (price as of 2026-10-06) |
| March 17, 2025 | AMGN | F | 174 | $313.71 | $54,586 | 5,117 Direct | -3.29% | Disposed | 28.3% (price as of 2026-10-06) |
| March 3, 2025 | AMGN | A | 497 | · | · | 5,277 Direct | +10.40% | Acquired | (price as of 2026-10-06) |
| Nov. 5, 2024 | AMGN | F | 189 | $316.91 | $59,896 | 4,770 Direct | -3.81% | Disposed | 27.0% (price as of 2026-10-06) |
| May 7, 2024 | AMGN | A | 2,163 | $300.30 | $649,549 | 2,163 Direct | · | Acquired | 34.1% (price as of 2026-10-06) |
| May 7, 2024 | AMGN | A | 333 | · | · | 4,932 Direct | +7.24% | Acquired | (price as of 2026-10-06) |
| May 5, 2024 | AMGN | F | 27 | $311.29 | $8,405 | 4,599 Direct | -0.58% | Disposed | 29.3% (price as of 2026-10-06) |
| May 2, 2024 | AMGN | F | 27 | $277.37 | $7,489 | 4,626 Direct | -0.58% | Disposed | 45.1% (price as of 2026-10-06) |
| April 30, 2024 | AMGN | F | 17 | $276.38 | $4,698 | 4,653 Direct | -0.36% | Disposed | 45.7% (price as of 2026-10-06) |
| March 18, 2024 | AMGN | F | 146 | $268.87 | $39,255 | 4,670 Direct | -3.03% | Disposed | 49.7% (price as of 2026-10-06) |
| March 6, 2024 | AMGN | A | 418 | · | · | 4,799 Direct | +9.54% | Acquired | (price as of 2026-10-06) |
| Nov. 5, 2023 | AMGN | F | 183 | $269.86 | $49,384 | 4,367 Direct | -4.02% | Disposed | 49.2% (price as of 2026-10-06) |
| Nov. 5, 2023 | AMGN | F | 66 | $269.86 | $17,811 | 4,550 Direct | -1.43% | Disposed | 49.2% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| May 5, 2026 | AMGN | Nqso (Right to Buy) | Common Stock | $329.59 | May 5, 2036 | 2,969 | Acquired |
| May 6, 2025 | AMGN | Nqso (Right to Buy) | Common Stock | $270.44 | May 6, 2035 | 3,585 | Acquired |
| May 7, 2024 | AMGN | Nqso (Right to Buy) | Common Stock | $300.30 | May 7, 2034 | 2,163 | 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 |
|---|---|---|---|---|
| Aug. 21, 2023 | AMGN | Common Stock | · | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 1,257 | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 1,476 | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 1,558 | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 1,086 | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 1,753 | Direct |
| Aug. 21, 2023 | AMGN | Nqso (Right to Buy) | 2,508 | Direct |