What Spero Therapeutics, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 0 | 0 |
| Sells | 0 | 9 |
| Total trades | 1 | 19 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 162,311 | 549,311 |
| Disposed | 0 | 237,107 |
| Net activity | +162,311 | +312,204 |
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Zack Debra | Chief Medical Officer | Aug 03 | Grant / award · A | +162,311 | — | — | 162,311 |
| Pottage John C Jr | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Jackson Scott Thomas | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Thomas Frank E | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Vink Patrick V.j.j. | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Smith Cynthia | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Tregoning Kathleen | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 85,000 |
| Deshpande Milind | Director | Jun 23 | Grant / award · A | +10,000 | — | — | 101,454 |
| Rajavelu Esther | See Remarks | May 04 | Sale for tax withholding · S | −25,240 | $2.51 | −$63.4K | 986,851 |
| Keutzer Timothy | Chief Operating Officer | Feb 06 | Sale for tax withholding · S | −18,652 | $2.36 | −$44K | 742,506 |
| Rajavelu Esther | See Remarks | Feb 06 | Sale for tax withholding · S | −50,816 | $2.36 | −$120K | 1,012,091 |
| Rajavelu Esther | See Remarks | Feb 06 | Sale for tax withholding · S | −37,101 | $2.36 | −$87.6K | 1,062,907 |
| Keutzer Timothy | Chief Operating Officer | Feb 04 | Sale for tax withholding · S | −3,471 | $2.24 | −$7.78K | 761,158 |
| Keutzer Timothy | Chief Operating Officer | Feb 03 | Sale for tax withholding · S | −24,224 | $2.14 | −$51.8K | 764,629 |
| Keutzer Timothy | Chief Operating Officer | Feb 02 | Sale for tax withholding · S | −18,891 | $2.20 | −$41.6K | 788,853 |
| Keutzer Timothy | Chief Operating Officer | Feb 02 | Grant / award · A | +68,000 | — | — | 807,744 |
| Rajavelu Esther | See Remarks | Feb 02 | Sale for tax withholding · S | −18,442 | $2.20 | −$40.6K | 1,100,008 |
| Rajavelu Esther | See Remarks | Feb 02 | Grant / award · A | +249,000 | — | — | 1,118,450 |
| Rajavelu Esther | See Remarks | Nov 07 | Sale for tax withholding · S | −40,270 | $2.37 | −$95.4K | 869,450 |
| Keutzer Timothy | Chief Operating Officer | Aug 28 | Sale for tax withholding · S | −1,695 | $1.97 | −$3.34K | 739,744 |
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