Nichols Weston insider trades
Nichols Weston has filed 13 Form 4s with the SEC that we hold, for Crinetics Pharmaceuticals, Inc. (CRNX) (Director), TScan Therapeutics, Inc. (TCRX) (10% owner), Passage BIO, Inc. (PASG) (10% owner) and Cullinan Therapeutics, Inc. (CGEM) (10% owner), among 5 companies in all. Across all of them we count 9 purchases worth $2.2M and 0 sales worth $0 reported on Form 4. In the last 12 months: 3 purchases ($1.6M) and 0 sales ($0). The largest single trade was a purchase of 165,667 shares of Cullinan Therapeutics, Inc. worth $1.4M, dated 2025-10-28. The first filing on our record is dated 2022-06-21 and the latest 2026-09-01.
Crinetics Pharmaceuticals, Inc. (CRNX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
TScan Therapeutics, Inc. (TCRX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-11-15 | P, purchase reported on Form 4 | 947 | $4.1K | 2024-11-19 |
| 2024-12-12 | P, purchase reported on Form 4 | 31,800 | $95.7K | 2024-12-16 |
| 2024-12-13 | P, purchase reported on Form 4 | 100,000 | $290.0K | 2024-12-16 |
Passage BIO, Inc. (PASG)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-09-11 | P, purchase reported on Form 4 | 325 | $2.3K | 2025-09-15 |
| 2025-09-12 | P, purchase reported on Form 4 | 19,783 | $138.3K | 2025-09-15 |
| 2025-09-15 | P, purchase reported on Form 4 | 11,900 | $83.2K | 2025-09-15 |
| 2026-06-25 | P, purchase reported on Form 4 | 50,055 | $206.2K | 2026-06-29 |
Cullinan Therapeutics, Inc. (CGEM)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-10-28 | P, purchase reported on Form 4 | 165,667 | $1.4M | 2025-10-30 |
Korro Bio, Inc. (KRRO)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2026-03-31 | P, purchase reported on Form 4 | 520 | $5.5K | 2026-04-02 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1746376) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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