Skip to content

Insider · CIK 0001832671

Katherine Bach Kalin

director

Files at SLS (SELLAS Life Sciences Group, Inc.). First filing May 22, 2025, latest Nov 21, 2025.

Katherine Bach Kalin files SEC Form 4 as director at SLS (SELLAS Life Sciences Group, Inc.). Since May 22, 2025, Katherine Bach Kalin has reported 2 open-market buys worth $137k and 0 open-market sells worth $0, the latest filed on Nov 21, 2025.

A track record needs three past buys with six months of prices behind them; Katherine Bach Kalin has 0, so none is measured yet.

The newest scored trade: bought $101k of SLS on Nov 19, 2025, filed Nov 21, 2025, scored 35 (weak). In the last 12 months: 1 buy worth $101k and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$137k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

SLS: SELLAS Life Sciences Group, Inc.

SLSOct 9, 2026 · close 11.65

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
35Weak
SLSbuy
SELLAS Life Sciences Group, Inc.
$101k
63,400 shares
+155%-
39Weak
SLSbuy 2
SELLAS Life Sciences Group, Inc.
$36k
20,000 shares
+95%-

Transactions

Every row this insider has filed, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jan 7, 2026SLS
SELLAS Life Sciences Group, Inc.
AGrant or award
Common Stock
+50,000$0.00$0154,400Jan 9, 2026
Nov 19, 2025SLS
SELLAS Life Sciences Group, Inc.
POpen-market purchase
Common Stock
+63,400$1.59$101k104,400Nov 21, 2025
May 22, 2025SLS
SELLAS Life Sciences Group, Inc.
POpen-market purchase
Common Stock
+20,000$1.80$36k41,000May 22, 2025
Jan 10, 2025SLS
SELLAS Life Sciences Group, Inc.
AGrant or award
Common Stock
+12,500$0.00$021,000Jan 14, 2025
Jan 10, 2025SLS
SELLAS Life Sciences Group, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+18,500$0.00$018,500Jan 14, 2025

Questions about Katherine Bach Kalin

Answered from the filings on this page, as of the latest one.

Is Katherine Bach Kalin buying or selling?

In the last 12 months Katherine Bach Kalin reported 1 open-market buy worth $101k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $101k of SLS on Nov 19, 2025. Grants, option exercises and tax withholding are not counted.

How did Katherine Bach Kalin's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Katherine Bach Kalin has 0.

Where does Katherine Bach Kalin file Form 4?

Katherine Bach Kalin has filed Form 4 at SLS (SELLAS Life Sciences Group, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Katherine Bach Kalin: insider trades and track record | InsiderTell