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Insider · CIK 0001270354

Marla Persky

director

Files at XERS (Xeris Biopharma Holdings, Inc.). First filing Nov 15, 2023, latest Jun 5, 2026.

In brief

Marla Persky files SEC Form 4 as director at XERS (Xeris Biopharma Holdings, Inc.). Since Nov 15, 2023, Marla Persky has reported 1 open-market buy worth $10k and 2 open-market sells worth $211k, the latest filed on Jun 5, 2026.

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

The newest scored trade: sold $91k of XERS on Jun 3, 2026, filed Jun 5, 2026, scored 24 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $91k.

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
1 / 2
$10k bought, $211k 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.

XERS: Xeris Biopharma Holdings, Inc.

XERSOct 12, 2026 · close 10.46

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
24Weak
XERSsell 510b5-1
Xeris Biopharma Holdings, Inc.
$91k
15,500 shares
-11%+35% from low-41% from high
13Weak
XERSsell 210b5-1
Xeris Biopharma Holdings, Inc.
$120k
15,500 shares
-10%+178% from low-4% from high
46Moderate
XERSbuy 6
Xeris Biopharma Holdings, Inc.
$10k
6,370 shares
-+51% from low-48% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 3, 2026 XERS
XERIS BIOPHARMA HOLDINGS, INC.
15,500
0.01% of outstanding
$93kJun 3, 2026none
Sep 11, 2025 XERS
XERIS BIOPHARMA HOLDINGS, INC.
15,500
0.01% of outstanding
$121kSep 11, 2025none

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 3, 2026XERS
Xeris Biopharma Holdings, Inc.
SOpen-market sale
Common Stock10b5-1
-15,500$5.90$91k126,500Jun 5, 2026
Jun 4, 2026XERS
Xeris Biopharma Holdings, Inc.
AGrant or award
Common Stock10b5-1
+24,193$0.00$0150,693Jun 5, 2026
Jun 4, 2026XERS
Xeris Biopharma Holdings, Inc.
AGrant or award
Stock Option (Right to Buy)derivative10b5-1
+32,996$6.15$203k32,996Jun 5, 2026
Sep 11, 2025XERS
Xeris Biopharma Holdings, Inc.
SOpen-market sale
Common Stock10b5-1
-15,500$7.72$120k142,000Sep 12, 2025
Jun 4, 2025XERS
Xeris Biopharma Holdings, Inc.
AGrant or award
Common Stock
+50,000$0.00$0157,500Jun 4, 2025
Nov 14, 2023XERS
Xeris Biopharma Holdings, Inc.
POpen-market purchase
Common Stockindirect: By: Marla Susan Persky Revocable Trust u/a dated 9/23/2000
+6,370$1.58$10k6,370Nov 15, 2023

Questions about Marla Persky

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

Is Marla Persky buying or selling?

In the last 12 months Marla Persky reported 0 open-market buys worth $0 and 1 open-market sell worth $91k on SEC Form 4; the latest was sold $91k of XERS on Jun 3, 2026. Grants, option exercises and tax withholding are not counted.

How did Marla Persky's past buys perform?

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

Where does Marla Persky file Form 4?

Marla Persky has filed Form 4 at XERS (Xeris Biopharma Holdings, 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.

Marla Persky: insider trades and track record | InsiderTell