James N Topper is a director of Alpine Immune Sciences Inc.
Person profile
Latest filings (excl ownership)
No filings
Latest ownership filings
4
HilleVax, Inc.
8 Apr 24
4
NewAmsterdam Pharma Co N.V.
28 Mar 24
4
ALPINE IMMUNE SCIENCES, INC.
4 Jan 24
3
NewAmsterdam Pharma Co N.V.
29 Dec 23
4
ALPINE IMMUNE SCIENCES, INC.
13 Dec 23
4
Arcutis Biotherapeutics, Inc.
26 Oct 23
4
Phathom Pharmaceuticals, Inc.
30 May 23
4
ANAPTYSBIO, INC
10 Jan 23
4
ALPINE IMMUNE SCIENCES, INC.
5 Jan 23
4
Phathom Pharmaceuticals, Inc.
26 Sep 22
Recent insider trades
Date | Company | Security | Transaction | Code | Indirect | 10b5-1 | $Price | #Shares | $Value | #Remaining |
---|---|---|---|---|---|---|---|---|---|---|
4 Apr 24 | HLVX HilleVax | Common Stock | Buy | Acquire P | No | No | 14.5 | 8,850 | 128.33 k | 8,544,187 |
26 Mar 24 | NAMS NewAmsterdam Pharma | Ordinary Shares | Buy | Acquire P | Yes | No | 21.5 | 8,429 | 181.22 k | 3,008,429 |
2 Jan 24 | ALPN Alpine Immune Sciences | Stock Option Common Stock | Grant | Acquire A | No | No | 19 | 17,500 | 332.50 k | 17,500 |
11 Dec 23 | ALPN Alpine Immune Sciences | Common Stock | Acquire X | Yes | No | 12.74 | 145,251 | 1.85 mm | 1,629,366 | |
11 Dec 23 | ALPN Alpine Immune Sciences | Warrant Common Stock | Dispose X | No | No | 12.74 | 145,251 | 1.85 mm | 0 |