Michael Bigham, Executive Chairman of the Board at Paratek Pharmaceuticals, Inc. (PRTK), sold 49,319 shares at $4.27 ($212K) on 2021-12-15, disclosed to the SEC on 2021-12-15.
Open-market sale of $212k PRTK by Executive Chairman of the Board. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $4.42 | 5,059 | $22K | 10.5% |
| 2 | $4.37 | 8,622 | $38K | 17.8% |
| 3 | $4.27 | 17,819 | $76K | 35.9% |
| 4 | $4.27 | 17,819 | $76K | 35.9% |
| Total | $4.30 avg | 49,319 | $212K | 100% |
| Filing → |
| PRTK | SELL | 2022-12-14 | $164K | — | Filing → |
| PRTK | SELL | 2022-11-01 | $21K | — | Filing → |
| PRTK | SELL | 2022-08-10 | $152K | — | Filing → |