TALS
insider transactionsTalaris Therapeutics, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
Transactions · 365d
No open-market buys or sells in this period — showing all activity (grants, exercises & gifts).
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Other·D
Chief Technology Officer
—
181.0K sh · 3 lots
Own -100%
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Other·D
Chief Technology Officer
—
3.2K sh
Own -100%
-
Other·U
Chief Technology Officer
—
19.8K sh
-
Other·D
Director
—
36.8K sh · 3 lots
Own -100%
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Other·U
Director
—
83.8K sh
-
Other·D
Director
—
46.8K sh · 3 lots
Own -100%
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Other·U
Director
—
742.2K sh · 4 lots
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Other·D
Robinson Ryan F. KEY
CFO
—
176.2K sh · 4 lots
Own -100%
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Other·U
Robinson Ryan F. KEY
CFO
—
14.4K sh
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Other·D
Kulkarni Sandeep Chidambar KEY
CEO
—
983.7K sh · 3 lots
Own -100%
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Other·U
Kulkarni Sandeep Chidambar KEY
CEO
—
731.7K sh · 2 lots
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Other·D
Kulkarni Sandeep Chidambar KEY
CEO
—
30.4K sh
Own -100%
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Other·D
CBO, GC and Secretary
—
229.8K sh · 3 lots
Own -100%
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Other·D
CBO, GC and Secretary
—
8.2K sh
Own -100%
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Other·U
CBO, GC and Secretary
—
61.0K sh
-
Other·D
Director
—
46.8K sh · 3 lots
Own -100%
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Other·U
Director
—
518 sh
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Other·D
Director
—
36.8K sh · 3 lots
Own -100%
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Other·U
Director
—
947.9K sh · 2 lots
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Other·D
Director
—
51.8K sh · 3 lots
Own -100%
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Other·D
Chief Regulatory Officer
—
200.9K sh · 3 lots
Own -100%
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Other·D
Chief Regulatory Officer
—
11.0K sh
Own -100%
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Other·U
Chief Regulatory Officer
—
40.5K sh
-
Other·D
Director
—
26.8K sh · 2 lots
Own -100%
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Other·U
Director
—
88.3K sh
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Other·G
Director
$0
5.0K sh
Own -5%
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Exercise·M
Robinson Ryan F. KEY
CFO
$0
14.4K sh
Own +125%
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Exercise·M
Robinson Ryan F. KEY
CFO
$200.0K
14.4K sh · $13.92
Own New
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Exercise·M
Kulkarni Sandeep Chidambar KEY
CEO
$0
25.3K sh
Own +5%
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Exercise·M
Kulkarni Sandeep Chidambar KEY
CEO
$200.0K
25.3K sh · $7.90
Own +3%
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Other·G
Director
$0
522 sh
Own -0%
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Other·G
Chief Regulatory Officer
$0
6.2K sh
Own -11%
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Exercise·M
Director
$0
47.9K sh · 2 lots
Own New
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Exercise·M
Director
$99.5K
47.9K sh · $2.08 avg · 2 lots
Own +106%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Oct 28, 2025 | Jones Susan Dana | Other D | 181.0K3 lots | — |
| Oct 28, 2025 | Jones Susan Dana | Other D | 3.2K | — |
| Oct 28, 2025 | Jones Susan Dana | Other U | 19.8K | — |
| Oct 28, 2025 | Thiara Parvinder | Other D | 36.8K3 lots | — |
| Oct 28, 2025 | Thiara Parvinder | Other U | 83.8K | — |
| Oct 28, 2025 | MCDADE MARK | Other D | 46.8K3 lots | — |
| Oct 28, 2025 | MCDADE MARK | Other U | 742.2K4 lots | — |
| Oct 28, 2025 | Robinson Ryan F. KEY | Other D | 176.2K4 lots | — |
| Oct 28, 2025 | Robinson Ryan F. KEY | Other U | 14.4K | — |
| Oct 28, 2025 | Kulkarni Sandeep Chidambar KEY | Other D | 983.7K3 lots | — |
| Oct 28, 2025 | Kulkarni Sandeep Chidambar KEY | Other U | 731.7K2 lots | — |
| Oct 28, 2025 | Kulkarni Sandeep Chidambar KEY | Other D | 30.4K | — |
| Oct 28, 2025 | MIDDLEKAUFF W BRADFORD | Other D | 229.8K3 lots | — |
| Oct 28, 2025 | MIDDLEKAUFF W BRADFORD | Other D | 8.2K | — |
| Oct 28, 2025 | MIDDLEKAUFF W BRADFORD | Other U | 61.0K | — |
| Oct 28, 2025 | Srivastava Sapna | Other D | 46.8K3 lots | — |
| Oct 28, 2025 | Srivastava Sapna | Other U | 518 | — |
| Oct 28, 2025 | Castelein Caley | Other D | 36.8K3 lots | — |
| Oct 28, 2025 | Castelein Caley | Other U | 947.9K2 lots | — |
| Oct 28, 2025 | SIEGALL CLAY B | Other D | 51.8K3 lots | — |
| Oct 28, 2025 | Johnson Kevin Bruce | Other D | 200.9K3 lots | — |
| Oct 28, 2025 | Johnson Kevin Bruce | Other D | 11.0K | — |
| Oct 28, 2025 | Johnson Kevin Bruce | Other U | 40.5K | — |
| Oct 28, 2025 | KANTOFF AARON | Other D | 26.8K2 lots | — |
| Oct 28, 2025 | KANTOFF AARON | Other U | 88.3K | — |
| Oct 24, 2025 | KANTOFF AARON | Other G | 5.0K | $0 |
| Oct 22, 2025 | Robinson Ryan F. KEY | Exercise M | 14.4K | $0 |
| Oct 22, 2025 | Robinson Ryan F. KEY | Exercise M | 14.4K | $200.0K |
| Oct 22, 2025 | Kulkarni Sandeep Chidambar KEY | Exercise M | 25.3K | $0 |
| Oct 22, 2025 | Kulkarni Sandeep Chidambar KEY | Exercise M | 25.3K | $200.0K |
| Oct 15, 2025 | Castelein Caley | Other G | 522 | $0 |
| Oct 15, 2025 | Johnson Kevin Bruce | Other G | 6.2K | $0 |
| Sep 5, 2025 | KANTOFF AARON | Exercise M | 47.9K2 lots | $0 |
| Sep 5, 2025 | KANTOFF AARON | Exercise M | 47.9K2 lots | $99.5K |
Buy Sell Non-market (grant · exercise · gift)
About TALS insider trading
This page tracks insider transactions for Talaris Therapeutics, Inc. (TALS) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.