Jeffrey W. Sherman purchased $25,000 worth of Larimar Therapeutics ($LRMR) shares on the open market once in the last year, with the latest buy on February 27, 2026. This ranks 3,609th among nearly 5,000 insiders, well below the average purchase of $1.5 million across 3.3 transactions. As a director, he also sold about $335,000 of Xeris Biopharma ($XERS) shares once on August 28, 2025, ranking 7,339th among nearly 12,000 insiders with an average sale of $8.6 million over 6.4 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | Larimar Therapeutics, Inc. | $LRMR | SHERMAN JEFFREY W | Not found | P | Common Stock | 5000 | $5.00 | 5,000.0000 | 85,590,392 | 9999.99% | 0.01% |
| Aug. 28, 2025 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | M | Common Stock | 47040 | $6.66 | 266,820.0000 | 146,772,758 | 21.40% | 0.03% |
| Aug. 28, 2025 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | M | Stock Option (Right to Buy) | 47040 | $0.00 | 0.0000 | 146,772,758 | 100.00% | 0.03% |
| Aug. 28, 2025 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | S | Common Stock | 42232 | $7.92 | 224,588.0000 | 146,772,758 | 15.83% | 0.03% |
| June 4, 2025 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | A | Common Stock | 50000 | $0.00 | 219,780.0000 | 146,772,758 | 29.45% | 0.03% |
| May 13, 2025 | Larimar Therapeutics, Inc. | $LRMR | SHERMAN JEFFREY W | Director | A | Stock Option (Right to Buy) | 19000 | $0.00 | 19,000.0000 | 63,815,065 | 9999.99% | 0.03% |
| June 5, 2024 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | A | Common Stock | 50000 | $0.00 | 169,780.0000 | 137,674,857 | 41.74% | 0.04% |
| May 29, 2024 | Larimar Therapeutics, Inc. | $LRMR | SHERMAN JEFFREY W | Director | A | Stock Option (Right to Buy) | 19000 | $0.00 | 19,000.0000 | 43,909,069 | 9999.99% | 0.04% |
| March 15, 2024 | Xeris Biopharma Holdings, Inc. | $XERS | SHERMAN JEFFREY W | Director | J | Common Stock | 6502 | $0.00 | 119,780.0000 | 137,674,857 | 5.74% | 0.00% |