Skip to content

NYSE · CIK 0001273813

AGO ASSURED GUARANTY LTD

Insider trading from SEC Form 4. Last filing Jun 18, 2026. Close $70.03 on Oct 9, 2026, +3% from the 52-week low and -23% from the high.

ASSURED GUARANTY LTD (AGO) has 86 SEC Form 4 filings on file from 17 insiders, the latest filed on Jun 18, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

12 open-market trades have been scored at AGO. The newest: Lorin Radtke (director) sold $78k of stock on May 29, 2026, filed Jun 1, 2026, scored 29 (weak). The largest of the 12 shown: Francisco L Borges (director) sold $9.9M on Mar 30, 2026, scored 58 (moderate). 2 insiders sold within 14 days of each other around Mar 30, 2026.

AGO closed at $70.03 on Oct 9, 2026, 3% above its 52-week low and 23% below its 52-week high.

12 Form 144 notices of planned sales are on file, the latest filed Jun 23, 2026.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
17
with a Form 4 at this company

Price and insider trades, last year

AGOOct 9, 2026 · close 70.03

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

Open-market buys and sells at ASSURED GUARANTY LTD, scored.

ScoreInsiderValueHoldingsPrice contextFiled
29WeakLorin Radtke
director
sell
$78k
1,047 shares
-10%+0% from low-19% from high
50ModerateRobert Bailenson
Chief Operating Officer
sell
$3.9M
50,000 shares
-16%+5% from low-14% from high
58ModerateFrancisco L Borges
director
sell
$9.9M
123,750 shares
-41%+6% from low-12% from high
58ModerateDominic Frederico
President/CEO/Deputy Chairman
sell
$2.4M
29,998 shares
-2%+7% from low-11% from high
58ModerateDominic Frederico
President/CEO/Deputy Chairman
sell
$1.6M
20,002 shares
-2%+6% from low-12% from high
30WeakLorin Radtke
director
sell
$106k
1,219 shares
-13%+15% from low-5% from high
50ModerateDominic Frederico
President/CEO/Deputy Chairman
sell
$2.1M
25,000 shares
-2%+10% from low-12% from high
50ModerateRobert Bailenson
Chief Operating Officer
sell
$3.3M
40,000 shares
-12%+9% from low-13% from high
58ModerateDominic Frederico
President/CEO/Deputy Chairman
sell
$7.1M
82,355 shares
-6%+14% from low-9% from high
41ModerateLaura Bieling
Chief Accounting Officer
sell
$232k
2,649 shares
-16%+16% from low-8% from high
58ModerateDominic Frederico
President/CEO/Deputy Chairman
sell
$3.0M
34,000 shares
-2%-
53ModerateRobert Bailenson
Chief Operating Officer
sell
$2.3M
25,000 shares
-8%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Jun 23, 2026 HOLLY HORN
senior advisor to CEO
6,446
0.01% of outstanding
$500kJun 23, 2026$500k
Jun 17, 2026 HOLLY HORN
FORMER OFFICER
6,493
25.97% of outstanding
$500kJun 16, 2026none
May 29, 2026 Lorin Radtke
Director
1,047
0.00% of outstanding
$78kMay 29, 2026$106k
May 11, 2026 ROBERT BAILENSON
OFFICER
50,000
0.11% of outstanding
$3.9MMay 11, 2026none
Mar 30, 2026 BORGES FRANCISCO L
Director
123,750
0.28% of outstanding
$10MMar 31, 2026none
Mar 20, 2026 FREDERICO DOMINIC
Officer
50,000
0.11% of outstanding
$4.1MMar 20, 2026none
Mar 4, 2026 Lorin Radtke
Director
1,219
0.00% of outstanding
$106kMar 4, 2026none
Sep 23, 2025 Dominic Frederico
Officer
25,000
0.05% of outstanding
$2.1MSep 23, 2025none
Aug 11, 2025 Bailenson Robert
Officer
40,000
0.08% of outstanding
$3.3MAug 11, 2025none
May 20, 2025 FREDERICO DOMINIC
Officer
82,355
0.17% of outstanding
$7.1MMay 19, 2025none
Dec 10, 2024 FREDERICO DOMINIC
Officer
34,000
0.07% of outstanding
$3.0MDec 10, 2024none
Nov 26, 2024 Bailenson Robert
Officer
25,000
0.05% of outstanding
$2.3MNov 26, 2024none

Transactions

The newest 50 of 144 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Jun 17, 2026Francisco L Borges
director
GGift
Common Shares
-24,159$0.00$0155,699Jun 18, 2026
Jun 18, 2026Francisco L Borges
director
GGift
Common Shares
-2,588$0.00$0153,111Jun 18, 2026
May 29, 2026Lorin Radtke
director
SOpen-market sale
Common Shares
-1,047$74.32$78k9,307Jun 1, 2026
May 28, 2026Francisco L Borges
director
GGift
Common Shares
-74$0.00$0179,858May 29, 2026
May 21, 2026Francisco L Borges
director
GGift
Common Shares
-427$0.00$0179,932May 22, 2026
May 11, 2026Robert Bailenson
Chief Operating Officer
SOpen-market sale
Common Shares
-17,647$78.24$1.4M288,604May 12, 2026
May 11, 2026Robert Bailenson
Chief Operating Officer
SOpen-market sale
Common Shares
-32,353$78.82$2.6M256,251May 12, 2026
May 1, 2026Benjamin G. Rosenblum
CFO
FTax withholding
Common Shares
-637$80.86$52k62,604May 4, 2026
May 1, 2026Ling Chow
General Counsel and Secretary
AGrant or award
Common Shares
+5,970$0.00$0195,570May 4, 2026
May 1, 2026Holly Horn
Chief Surveillance Officer
AGrant or award
Common Shares
+2,755$0.00$052,566May 4, 2026
May 1, 2026Stephen Donnarumma
Chief Credit Officer
AGrant or award
Common Shares
+3,490$0.00$0121,093May 4, 2026
Apr 30, 2026Bonnie L. Howard
director
FTax withholding
Common Shares
-365$81.90$30k45,645May 4, 2026
May 1, 2026Robert Bailenson
Chief Operating Officer
AGrant or award
Common Shares
+7,806$0.00$0306,251May 4, 2026
Apr 30, 2026Antonio Ursano Jr.
director
FTax withholding
Common Shares
-365$81.90$30k3,829May 4, 2026
Apr 30, 2026Courtney C. Shea
director
FTax withholding
Common Shares
-365$81.90$30k8,995May 4, 2026
Apr 30, 2026Yukiko Omura
director
FTax withholding
Common Shares
-748$81.90$61k9,484May 4, 2026
Apr 30, 2026Lorin Radtke
director
FTax withholding
Common Shares
-365$81.90$30k7,932May 4, 2026
Apr 30, 2026Thomas W Jones
director
FTax withholding
Common Shares
-365$81.90$30k45,549May 4, 2026
May 1, 2026Dominic Frederico
President/CEO/Deputy Chairman
AGrant or award
Common Shares
+33,980$0.00$01,298,275May 4, 2026
Apr 30, 2026Francisco L Borges
director
FTax withholding
Common Shares
-1,277$81.90$105k174,425May 4, 2026
Apr 30, 2026Mark Batten
director
FTax withholding
Common Shares
-961$81.90$79k2,934May 4, 2026
Apr 30, 2026Alan J Kreczko
director
FTax withholding
Common Shares
-626$81.90$51k66,111May 4, 2026
May 1, 2026Alan J Kreczko
director
AGrant or award
Common Shares
+3,936$0.00$070,047May 4, 2026
May 1, 2026Antonio Ursano Jr.
director
AGrant or award
Common Shares
+1,756$0.00$05,585May 4, 2026
May 1, 2026Yukiko Omura
director
AGrant or award
Common Shares
+1,756$0.00$011,240May 4, 2026
May 1, 2026Thomas W Jones
director
AGrant or award
Common Shares
+1,756$0.00$047,305May 4, 2026
May 1, 2026Lorin Radtke
director
AGrant or award
Common Shares
+2,422$0.00$010,354May 4, 2026
May 1, 2026Courtney C. Shea
director
AGrant or award
Common Shares
+1,756$0.00$010,751May 4, 2026
May 1, 2026Bonnie L. Howard
director
AGrant or award
Common Shares
+1,756$0.00$047,401May 4, 2026
May 1, 2026Francisco L Borges
director
AGrant or award
Common Shares
+5,934$0.00$0180,359May 4, 2026
May 1, 2026Mark Batten
director
AGrant or award
Common Shares
+2,240$0.00$05,174May 4, 2026
Mar 30, 2026Francisco L Borges
director
SOpen-market sale
Common Shares
-123,750$80.22$9.9M176,952Mar 31, 2026
Mar 30, 2026Francisco L Borges
director
GGift
Common Shares
-1,250$0.00$0175,702Mar 31, 2026
Mar 23, 2026Dominic Frederico
President/CEO/Deputy Chairman
SOpen-market sale
Common Shares
-29,998$81.41$2.4M1,264,295Mar 24, 2026
Mar 20, 2026Dominic Frederico
President/CEO/Deputy Chairman
SOpen-market sale
Common Shares
-20,002$81.06$1.6M1,294,293Mar 23, 2026
Mar 4, 2026Lorin Radtke
director
SOpen-market sale
Common Shares
-1,219$87.14$106k8,297Mar 5, 2026
Feb 23, 2026Jorge A. Gana
Chief Risk Officer
FTax withholding
Common Shares
-318$85.11$27k29,545Feb 25, 2026
Feb 23, 2026Dominic Frederico
President/CEO/Deputy Chairman
FTax withholding
Common Shares
-34,785$85.11$3.0M1,314,295Feb 25, 2026
Feb 23, 2026Robert Bailenson
Chief Operating Officer
FTax withholding
Common Shares
-9,494$85.11$808k298,445Feb 25, 2026
Feb 23, 2026Ling Chow
General Counsel and Secretary
FTax withholding
Common Shares
-7,835$85.11$667k189,600Feb 25, 2026
Feb 23, 2026Stephen Donnarumma
Chief Credit Officer
FTax withholding
Common Shares
-4,244$85.11$361k117,603Feb 25, 2026
Feb 23, 2026Benjamin G. Rosenblum
CFO
FTax withholding
Common Shares
-1,220$85.11$104k63,241Feb 25, 2026
Feb 23, 2026Holly Horn
Chief Surveillance Officer
FTax withholding
Common Shares
-445$85.11$38k49,811Feb 25, 2026
Feb 23, 2026Laura Bieling
Chief Accounting Officer
FTax withholding
Common Shares
-416$85.11$35k14,944Feb 25, 2026
Feb 20, 2026Holly Horn
Chief Surveillance Officer
AGrant or award
Common Shares
+10,328$0.00$048,346Feb 24, 2026
Feb 20, 2026Robert Bailenson
Chief Operating Officer
AGrant or award
Common Shares
+13,771$0.00$0305,499Feb 24, 2026
Feb 20, 2026Ling Chow
General Counsel and Secretary
AGrant or award
Common Shares
+8,722$0.00$0196,490Feb 24, 2026
Feb 20, 2026Jorge A. Gana
Chief Risk Officer
AGrant or award
Common Shares
+3,672$0.00$030,211Feb 24, 2026
Feb 20, 2026Laura Bieling
Chief Accounting Officer
AGrant or award
Common Shares
+2,295$0.00$015,757Feb 24, 2026
Feb 20, 2026Stephen Donnarumma
Chief Credit Officer
AGrant or award
Common Shares
+6,312$0.00$0121,317Feb 24, 2026
50 of 144 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about AGO

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

Are insiders buying AGO?

No. In the last 90 days no insider at ASSURED GUARANTY LTD bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade AGO on the open market?

Lorin Radtke (director) sold $78k of AGO on May 29, 2026 and filed the Form 4 on Jun 1, 2026. InsiderTell scored 29 (weak).

How many insiders file Form 4 at ASSURED GUARANTY LTD?

17 people have filed a Form 4 at ASSURED GUARANTY LTD, among them Francisco L Borges (director), Robert Bailenson (Chief Operating Officer), Mark Batten (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

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.

AGO insider trading: ASSURED GUARANTY LTD | InsiderTell