TCRX insider buying and SEC filings, explained
TScan Therapeutics, Inc. · CIK 1783328
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$146K
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Dec 19–23, 2025 | Purchase (code P) | Weston Nichols (10% owner) bought 161,801 shares in 2 share classes indirectly between Dec 19, 2025 and Dec 23, 2025 at about $0.9000 ($146K), reported as a purchase (code P). Indirect holdings of Common Stock up 1% to 8,019,148 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 23, 2025 |
13 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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