John D. Quisel serves as Executive at ACCELERON PHARMA INC, where they oversee executive responsibilities. Since joining the company, John D. Quisel has executed 135 insider transactions totaling $13.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 10, 2026 involved receiving (via award) 82,800 shares valued at $0.
John D. Quisel currently holds 82,800 shares of ACCELERON PHARMA INC (XLRN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John D. Quisel has been a net seller of XLRN stock. They have purchased $0 and sold $13.8M worth of shares.
John D. Quisel's most recent insider trade was on Feb 10, 2026, when they sold 82,800 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 19, 2025 | IRON | $12.4K | Option Exercise | 12,300 | $1.01 | Discretionary |
| Dec 11, 2025 | IRON | $1.6M | Sale | 16,888 | $93.65 | Discretionary |
| Dec 11, 2025 | IRON | $1.5M | Sale | 16,356 | $92.96 | Discretionary |
| Dec 11, 2025 | IRON | $399.9K | Sale | 4,337 | $92.21 | Discretionary |
| Dec 11, 2025 | IRON | $220.1K | Sale | 2,419 | $90.97 | Discretionary |
| Dec 11, 2025 | IRON | $394.4K | Option Exercise | 40,000 | $9.86 | Discretionary |
| Sep 9, 2025 | IRON | $10.1K | Option Exercise | 10,000 | $1.01 | Discretionary |
| Jul 9, 2025 | IRON | $201.9K | Sale | 3,593 | $56.20 | Discretionary |
| Jul 9, 2025 | IRON | $1.7M | Sale | 31,207 | $55.23 | Discretionary |
| Jul 9, 2025 | IRON | $343.1K | Option Exercise | 34,800 | $9.86 | Discretionary |
| Jul 3, 2025 | IRON | $286.5K | Sale | 5,200 | $55.09 | Discretionary |
| Jul 3, 2025 | IRON | $51.3K | Option Exercise | 5,200 | $9.86 | Discretionary |
| Jul 8, 2024 | IRON | $3.0K | Option Exercise | 3,000 | $1.01 | Discretionary |
| Jan 10, 2024 | IRON | $0 | Award | 66,365 | $N/A | Discretionary |
| Dec 29, 2023 | IRON | $2.7K | Option Exercise | 2,700 | $1.01 | Discretionary |
| Jan 2, 2020 | XLRN | $222.8K | Sale | 4,242 | $52.52 | Discretionary |
| Jan 2, 2020 | XLRN | $84.0K | Sale | 1,600 | $52.51 | Discretionary |
| Sep 10, 2019 | XLRN | $162.1K | Sale | 3,584 | $45.23 | Discretionary |
| Jul 9, 2019 | XLRN | $11.1K | Option Exercise | 1,562 | $7.12 | Discretionary |
| Jul 9, 2019 | XLRN | $19.4K | Option Exercise | 5,000 | $3.88 | Discretionary |
| Jul 9, 2019 | XLRN | $12.4K | Option Exercise | 2,346 | $5.28 | Discretionary |
| Apr 9, 2019 | XLRN | $4.5K | Sale | 100 | $45.46 | Discretionary |
| Apr 9, 2019 | XLRN | $154.0K | Sale | 3,452 | $44.62 | Discretionary |
| Apr 9, 2019 | XLRN | $3.1K | Sale | 70 | $44.24 | Discretionary |
| Jan 25, 2019 | XLRN | $0 | Award | 4,800 | $N/A | Discretionary |
| Jan 2, 2019 | XLRN | $55.4K | Sale | 1,309 | $42.32 | Discretionary |
| Jan 2, 2019 | XLRN | $13.0K | Sale | 300 | $43.26 | Discretionary |
| Jan 2, 2019 | XLRN | $55.0K | Sale | 1,300 | $42.31 | Discretionary |