Bienaime Jean Jacques: insider buys
Every open-market stock purchase reported by Bienaime Jean Jacques to the SEC on Form 4.
Total bought$1.13M
Purchases12
Companies3
Last purchase filedAug 19, 2026
Return on these buys-0.2%
Bienaime Jean Jacques has made 12 open-market purchases worth $1.13M in 3 companies since Mar 11, 2026, according to SEC Form 4 filings. The most recent was filed on Aug 19, 2026: 1,000 shares of KROS at $10.27 (Director), worth $10.27K. The largest was $492.65K of ASND on Aug 14, 2026. Taken together, these purchases are down 0% at the latest closing prices (split-adjusted, weighted by amount).
Companies Bienaime Jean Jacques bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| ASND | Ascendis Pharma A | Director | 3 | $699.34K | +4.2% | Aug 18 |
| IMNM | Immunome Inc. | Director | 3 | $351.43K | -9.3% | Jun 9 |
| KROS | Keros Therapeutics, Inc. | Director | 6 | $75.77K | +2.0% | Aug 19 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $10.27K | 1,000 | $10.27 | +7.5% | +5% | Aug 17 | SEC |
| Aug 18 | ASNDAscendis Pharma A | Bienaime Jean JacquesDirector | $492.65K | 2,000 | $246.33 | +2.0% | +222% | Aug 14 | SEC |
| Jul 17 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $10.61K | 1,000 | $10.61 | +4.1% | +6% | Jul 15 | SEC |
| Jun 17 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $10.19K | 1,000 | $10.19 | +8.3% | +6% | Jun 15 | SEC |
| Jun 9 | IMNMImmunome Inc. | Bienaime Jean JacquesDirector | $204.26K | 10,500 | $19.45 | -6.4% | +32% | Jun 5 | SEC |
| Jun 1 | ASNDAscendis Pharma A | Bienaime Jean JacquesDirector | $111.56K | 500 | $223.12 | +13% | +167% | May 29 | SEC |
| May 27 | ASNDAscendis Pharma A | Bienaime Jean JacquesDirector | $95.12K | 400 | $237.81 | +5.7% | — | May 26 | SEC |
| May 19 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $10.58K | 1,000 | $10.58 | +4.3% | +12% | May 15 | SEC |
| May 19 | IMNMImmunome Inc. | Bienaime Jean JacquesDirector | $103.50K | 5,000 | $20.70 | -12% | +13% | May 15 | SEC |
| Apr 17 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $11.70K | 1,000 | $11.70 | -5.6% | +13% | Apr 15 | SEC |
| Mar 12 | IMNMImmunome Inc. | Bienaime Jean JacquesDirector | $43.67K | 2,000 | $21.84 | -17% | +6% | Mar 10 | SEC |
| Mar 11 | KROSKeros Therapeutics, Inc. | Bienaime Jean Jacques10b5-1Director | $22.42K | 2,000 | $11.21 | -1.5% | +37% | Mar 9 | SEC |