TLN SEC Filing News — Talen Energy Corporation

Latest SEC filings for Talen Energy Corporation (TLN) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-09-29.

Talen Energy Corporation, an independent power producer and infrastructure company, produces and sells electricity, capacity, and ancillary services into wholesale power markets in the United States. The company's plants generate power using a variety of fuels, such as nuclear, fossil, oil, natural gas, and coal power plants. It owns and operates approximately 13.1 GW of power infrastructure. Talen Energy Corporation was incorporated in 2014 and is headquartered in Houston, Texas.
Sector: Utilities Industry: Utilities - Independent Power Producers Market Cap: $16.6B CIK: 1622536
20
Total Filings
0
Bullish Classifications
2
Bearish Classifications
11
Insider Transactions
6
Material Events (8-K)
1
Periodic Reports
Rule-based classifications for TLN currently lean bearish. Of the 20 filing records displayed, 2 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
TLN Filing Activity Snapshot 2026-05-27 — 2026-09-29
Insider Transactions (Form 4)
0 buys vs 1 sell
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$20.93M
JBW-JCW LIVING TRUST · 2026-06-15
55,000 shares · Form 144
Form 144 Notices
2
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 11 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 11 filings in this group are Form 4s for Talen Energy Corporation.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 11 insider filings shown, the breakdown is 9 option exercise, 1 other reported transaction and 1 open-market sale. 1 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Option exercise ×9
The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.
Other reported transaction ×1
The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Open-market sale ×1
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Form 4 Option exercise Tax / Compensation Filing 2026-07-15

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Nutt Terry L (President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 8,312 — —
F Tax withholding on vested shares 3,271 $385.80 $1.26M
M Option exercise derivative · 2023 Restricted Stock Units 20,780 — —
Filing: Form 4 (Insider Transaction) Insider: Nutt Terry L (President) Shares: 11,583
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-06-17

TLN insider ABBAS GIZMAN I (Director) sold 2,600 shares (~$988.0K)

ABBAS GIZMAN I, listed as Director at Talen Energy Corp, reported an open-market sale of 2,600 TLN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 2,600 $380.00 $988.0K
Filing: Form 4 (Insider Transaction) Insider: ABBAS GIZMAN I (Director) Shares: 2,600 Est. Value: $988.0K
View on SEC EDGAR → Open Filing Document →
Form 4 Other reported transaction Tax / Compensation Filing 2026-06-08

TLN insider Form 4 filed for equity award, exercise, or tax withholding

McFarland Mark Allen (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code Nature Shares Price Value
J Other transaction 260,335 — —
J Other transaction 260,335 — —
Filing: Form 4 (Insider Transaction) Insider: McFarland Mark Allen (Director, Chief Executive Officer) Shares: 520,670
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

McFarland Mark Allen (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 29,752 — —
M Option exercise 325,113 — —
F Tax withholding on vested shares 139,641 $324.21 $45.27M
M Option exercise derivative · 2023 Restricted Stock Units 74,381 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 812,782 — —
Filing: Form 4 (Insider Transaction) Insider: McFarland Mark Allen (Director, Chief Executive Officer) Shares: 494,506
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Berryman Brad (Chief Operating Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 8,312 — —
M Option exercise 90,826 — —
F Tax withholding on vested shares 43,047 $324.21 $13.96M
M Option exercise derivative · 2023 Restricted Stock Units 20,780 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 227,064 — —
Filing: Form 4 (Insider Transaction) Insider: Berryman Brad (Chief Operating Officer) Shares: 142,185
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Wright Andrew M (Chief Administrative Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 8,010 — —
M Option exercise 87,523 — —
F Tax withholding on vested shares 37,594 $324.21 $12.19M
M Option exercise derivative · 2023 Restricted Stock Units 20,024 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 218,808 — —
Filing: Form 4 (Insider Transaction) Insider: Wright Andrew M (Chief Administrative Officer) Shares: 133,127
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Lebsack Dale E Jr. (Chief Asset Dev. Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 7,178 — —
M Option exercise 78,440 — —
F Tax withholding on vested shares 33,692 $324.21 $10.92M
M Option exercise derivative · 2023 Restricted Stock Units 17,946 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 196,100 — —
Filing: Form 4 (Insider Transaction) Insider: Lebsack Dale E Jr. (Chief Asset Dev. Officer) Shares: 119,310
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Muller Cole (Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 5,270 — —
M Option exercise 57,592 — —
F Tax withholding on vested shares 27,339 $324.21 $8.86M
M Option exercise derivative · 2023 Restricted Stock Units 13,176 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 143,979 — —
Filing: Form 4 (Insider Transaction) Insider: Muller Cole (Chief Financial Officer) Shares: 90,201
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Morice Christopher E (Chief Commercial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 5,620 — —
M Option exercise 61,411 — —
F Tax withholding on vested shares 26,378 $324.21 $8.55M
M Option exercise derivative · 2023 Restricted Stock Units 14,050 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 153,527 — —
Filing: Form 4 (Insider Transaction) Insider: Morice Christopher E (Chief Commercial Officer) Shares: 93,409
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Casulli Edward T. (SVP & Chief Nuclear Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,550 — —
M Option exercise 3,826 — —
F Tax withholding on vested shares 2,774 $324.21 $899.4K
M Option exercise derivative · 2023 Restricted Stock Units 6,376 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 9,564 — —
Filing: Form 4 (Insider Transaction) Insider: Casulli Edward T. (SVP & Chief Nuclear Officer) Shares: 9,150
View on SEC EDGAR → Open Filing Document →
Form 4 Option exercise Tax / Compensation Filing 2026-05-27

TLN insider Form 4 filed for equity award, exercise, or tax withholding

Plagens Anthony J (SVP & Chief Accounting Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 2,267 — —
M Option exercise 3,401 — —
F Tax withholding on vested shares 2,231 $324.21 $723.3K
M Option exercise derivative · 2023 Restricted Stock Units 5,668 — —
M Option exercise derivative · 2023 Performance-Based Restricted Stock Units 8,502 — —
Filing: Form 4 (Insider Transaction) Insider: Plagens Anthony J (SVP & Chief Accounting Officer) Shares: 7,899
View on SEC EDGAR → Open Filing Document →
Proposed Insider Sales 2 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Talen Energy Corporation has 2 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Large Proposed Insider Sale 2026-06-15

TLN Form 144 filed for proposed insider sale by JBW-JCW LIVING TRUST (55,000 shares) ~$20.93M

JBW-JCW LIVING TRUST filed a Form 144 with the SEC indicating intent to sell TLN (Talen Energy Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: JBW-JCW LIVING TRUST Shares: 55,000 Est. Value: $20.93M
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-06-15

TLN Form 144 filed for proposed insider sale by ABBAS GIZMAN I (2,600 shares) ~$988.0K

ABBAS GIZMAN I filed a Form 144 with the SEC indicating intent to sell TLN (Talen Energy Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: ABBAS GIZMAN I Shares: 2,600 Est. Value: $988.0K
View on SEC EDGAR → Open Filing Document →
Material Events 6 · Form 8-K

An 8-K reports a material event in the window between scheduled reports. There are 6 in this period for Talen Energy Corporation. Each 8-K names the item number it is filed under, and that number is the fastest way to tell a routine disclosure from a consequential one.

Item 2.02 is an earnings release, Item 5.02 is a change of directors or officers, and Item 1.01 or 2.01 covers a material agreement or a completed acquisition. Item 7.01 and Item 8.01 are the general-purpose disclosure items and carry no fixed meaning on their own.

Form 8-K Material Company Update 2026-09-29

TLN filed 8-K — material company event

Talen Energy Corp filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 8-K/A Amended Material Company Update 2026-08-12

TLN filed amended 8-K — material company event

Talen Energy Corp filed an amended 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K/A (Material Event Amendment)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2026-08-05

TLN filed 8-K — material company event

Talen Energy Corp filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2026-07-14

TLN filed 8-K — material company event

Talen Energy Corp filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Form 8-K/A Amended Material Company Update 2026-06-18

TLN filed amended 8-K — material company event

Talen Energy Corp filed an amended 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K/A (Material Event Amendment)
View on SEC EDGAR → Open Filing Document →
Form 8-K Material Company Update 2026-06-15

TLN filed 8-K — material company event

Talen Energy Corp filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)
View on SEC EDGAR → Open Filing Document →
Periodic Reports 1 · Forms 10-K and 10-Q

The periodic reports are where the audited and reviewed financial statements live. This period contains 1 quarterly report (10-Q) for Talen Energy Corporation.

The two are not equivalent in weight. A 10-K is audited by an external firm and includes the full risk factor disclosure, business description and management discussion; a 10-Q is unaudited, reviewed rather than examined, and much shorter. When a figure in a quarterly report is later revised, the annual report is usually where the correction appears.

An amended report — 10-K/A or 10-Q/A — restates or corrects something in the original filing, and is worth reading against the version it replaces.

Form 10-Q Quarterly Report 2026-08-05

TLN filed Quarterly Report (10-Q)

Talen Energy Corp filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.

Filing: 10-Q (Quarterly Report)
View on SEC EDGAR → Open Filing Document →

How we classify Talen Energy Corporation's filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on TLN. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — TLN SEC Filings

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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