Signing Day Sports, Inc. (SGN)

Data as of Mar 18, 2026, from SEC Form 4 filings.

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Daniel D. Nelson - Officer
Derivative402,042 sh
Mar 16, 2026
Daniel D. Nelson - Officer
Derivative31,247 sh

About Signing Day Sports, Inc. (SGN)

The SEC lists Signing Day Sports, Inc. under CIK 0001898474, in computer processing and data preparation. We track it alongside the rest of the Information Technology sector. It filed a registration statement with the SEC on 5 January 2026 and has not yet priced an offering.

Sector: Information Technology

SEC filings for SGN on EDGAR

SGN Form 4 activity by transaction type, last 90 days

No Form 4 activity for SGN in the last 90 days.

SGN insider transactions (Form 4)

27 Form 4 filings on record, the earliest from Oct 17, 2024, newest first.

Traded	Insider	Transaction	Security	Shares	Price	Value
Mar 16, 2026	Daniel D. Nelson - Officer	Derivative	Common Stock	402,042	-^{footnote F1}	-
Mar 16, 2026	Daniel D. Nelson - Officer	Derivative	Common Stock	31,247	-^{footnote F1}	-
Mar 16, 2026	Daniel D. Nelson - Officer	Derivative	Stock Option (right to buy)	625	-^{footnote F3}	-
Mar 16, 2026	Daniel D. Nelson - Officer	Derivative	Stock Option (right to buy)	105	-^{footnote F4}	-
Mar 16, 2026	Daniel D. Nelson - Officer	Derivative	Stock Option (right to buy)	2,084	-^{footnote F5}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR Footnote F3 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 59 common shares of BlockchAIn exercisable for $1,594.17 per share. Footnote F4 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 10 common shares of BlockchAIn exercisable for $1,594.17 per share. Footnote F5 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 195 common shares of BlockchAIn exercisable for $1,157.06 per share.
Mar 16, 2026	Peter F. Borish - Director	Derivative	Common Stock	176,232	-^{footnote F1}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Mar 16, 2026	Gregory Economou - Director	Derivative	Common Stock	90,919	-^{footnote F1}	-
Mar 16, 2026	Gregory Economou - Director	Derivative	Stock Option (right to buy)	500	-^{footnote F2}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 1/12 of the shares of the Registrant's common stock subject to the option on the 9th day of each August, November, February, or May… Full note on SEC EDGAR
Mar 16, 2026	Damon Rich - Officer	Derivative	Common Stock	52,417	-^{footnote F1}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Mar 16, 2026	Jeffry Hecklinski - Officer	Derivative	Common Stock	9,262	-^{footnote F1}	-
Mar 16, 2026	Jeffry Hecklinski - Officer	Derivative	Stock Option (right to buy)	834	-^{footnote F2}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 209 shares immediately upon the date of grant, as to 156 shares on the one-year anniversary of the date of grant, and as to an… Full note on SEC EDGAR
Mar 16, 2026	Craig Steven Smith - Officer	Derivative	Common Stock	28,775	-^{footnote F1}	-
Mar 16, 2026	Craig Steven Smith - Officer	Derivative	Stock Option (right to buy)	1,042	-^{footnote F2}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 261 shares on November 16, 2024 and as to 1/36 of the remaining unvested shares in each of the following 36 months, immediately… Full note on SEC EDGAR
Mar 16, 2026	Roger Mason - Director	Derivative	Common Stock	90,919	-^{footnote F1}	-
Mar 16, 2026	Roger Mason - Director	Derivative	Stock Option (right to buy)	500	-^{footnote F2}	-
Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 1/12 of the shares of the Registrant's common stock subject to the option on the 9th day of each March, June, September, or December… Full note on SEC EDGAR
Mar 13, 2026	Gregory Economou - Director	Grant or award	Common Stock	90,000	$0.00	-
Mar 13, 2026	Peter F. Borish - Director	Grant or award	Common Stock	175,000	$0.00	-
Mar 13, 2026	Daniel D. Nelson - Officer	Grant or award	Common Stock	401,000	$0.00	-
Mar 13, 2026	Craig Steven Smith - Officer	Grant or award	Common Stock	20,000	$0.00	-
Mar 13, 2026	Roger Mason - Director	Grant or award	Common Stock	90,000	$0.00	-
Mar 13, 2026	Damon Rich - Officer	Grant or award	Common Stock	50,000	$0.00	-
Dec 12, 2024	Craig Steven Smith - Officer	Tax withholding / forfeiture	Common Stock	2,475	$3.24	$8K
Dec 12, 2024	Jeffry Hecklinski - Officer	Tax withholding / forfeiture	Common Stock	2,613	$3.24	$8K
Dec 12, 2024	Roger Mason - Director	Tax withholding / forfeiture	Common Stock	540	$3.24	$2K
Dec 12, 2024	Gregory Economou - Director	Tax withholding / forfeiture	Common Stock	540	$3.24	$2K
Dec 12, 2024	Damon Rich - Officer	Tax withholding / forfeiture	Common Stock	604	$3.24	$2K
Dec 12, 2024	Daniel D. Nelson - Officer	Tax withholding / forfeiture	Common Stock	7,500	$3.24	$24K
Dec 12, 2024	Peter F. Borish - Director	Tax withholding / forfeiture	Common Stock	723	$3.24	$2K
Oct 16, 2024	Roger Mason - Director	Grant or award	Common Stock	70,000	$0.00	-
Oct 16, 2024	Jeffry Hecklinski - Officer	Grant or award	Common Stock	350,000	$0.00	-
Oct 16, 2024	Gregory Economou - Director	Grant or award	Common Stock	70,000	$0.00	-
Oct 16, 2024	Daniel D. Nelson - Officer	Grant or award	Common Stock	1,000,000	$0.00	-
Oct 16, 2024	Damon Rich - Officer	Grant or award	Common Stock	125,000	$0.00	-
Oct 16, 2024	Craig Steven Smith - Officer	Grant or award	Common Stock	350,000	$0.00	-
Oct 16, 2024	Peter F. Borish - Director	Grant or award	Common Stock	50,000	$0.00	-

Recent SGN Form 8-K filings

Read SGN company news

Mar 19, 2026Item 1.02, 3.02, 5.01, 5.02, 8.01

Read the filing on SEC EDGAR

Mar 16, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Mar 16, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Mar 13, 2026Item 8.01

SGN insider trading FAQ

What is the latest insider trade for SGN?

Signing Day Sports, Inc. (SGN) has filed no insider reports in the last 90 days. The most recent on record is dated 18 March 2026. The full record for SGN runs to 27 Form 4 filings, the earliest from 17 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying SGN stock?

No insider purchases of SGN were filed in the last 90 days.

How many insiders are selling SGN stock?

No insider sales of SGN were filed in the last 90 days.

Where can I see SGN SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects SGN Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Information Technology companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Mar 18, 2026 - Daniel D. Nelson view on EDGAR
Mar 18, 2026 - Peter F. Borish view on EDGAR
Mar 18, 2026 - Gregory Economou view on EDGAR
Mar 18, 2026 - Damon Rich view on EDGAR
Mar 18, 2026 - Jeffry Hecklinski view on EDGAR
Mar 18, 2026 - Craig Steven Smith view on EDGAR
Mar 18, 2026 - Roger Mason view on EDGAR
Mar 16, 2026 - Gregory Economou view on EDGAR
Mar 13, 2026 - Peter F. Borish view on EDGAR

Related companies with recent insider activity

Learn more

What the Form 4 transaction codes mean: Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
Insider activity in Information Technology: Where SGN's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Traded

Insider

Transaction

Security

Price

Value

Mar 16, 2026

Daniel D. Nelson - Officer

Derivative

Common Stock

402,042

-^{footnote F1}

Mar 16, 2026

Daniel D. Nelson - Officer

Derivative

Common Stock

31,247

-^{footnote F1}

Mar 16, 2026

Daniel D. Nelson - Officer

Derivative

Stock Option (right to buy)

625

-^{footnote F3}

Mar 16, 2026

Daniel D. Nelson - Officer

Derivative

Stock Option (right to buy)

105

-^{footnote F4}

Mar 16, 2026

Daniel D. Nelson - Officer

Derivative

Stock Option (right to buy)

2,084

-^{footnote F5}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Footnote F3 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 59 common shares of BlockchAIn exercisable for $1,594.17 per share.
Footnote F4 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 10 common shares of BlockchAIn exercisable for $1,594.17 per share.
Footnote F5 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option was assumed by BlockchAIn, and was automatically converted into an option to purchase 195 common shares of BlockchAIn exercisable for $1,157.06 per share.

Mar 16, 2026

Peter F. Borish - Director

Derivative

Common Stock

176,232

-^{footnote F1}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR

Mar 16, 2026

Gregory Economou - Director

Derivative

Common Stock

90,919

-^{footnote F1}

Mar 16, 2026

Gregory Economou - Director

Derivative

Stock Option (right to buy)

500

-^{footnote F2}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 1/12 of the shares of the Registrant's common stock subject to the option on the 9th day of each August, November, February, or May… Full note on SEC EDGAR

Mar 16, 2026

Damon Rich - Officer

Derivative

Common Stock

52,417

-^{footnote F1}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR

Mar 16, 2026

Jeffry Hecklinski - Officer

Derivative

Common Stock

9,262

-^{footnote F1}

Mar 16, 2026

Jeffry Hecklinski - Officer

Derivative

Stock Option (right to buy)

834

-^{footnote F2}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 209 shares immediately upon the date of grant, as to 156 shares on the one-year anniversary of the date of grant, and as to an… Full note on SEC EDGAR

Mar 16, 2026

Craig Steven Smith - Officer

Derivative

Common Stock

28,775

-^{footnote F1}

Mar 16, 2026

Craig Steven Smith - Officer

Derivative

Stock Option (right to buy)

1,042

-^{footnote F2}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 261 shares on November 16, 2024 and as to 1/36 of the remaining unvested shares in each of the following 36 months, immediately… Full note on SEC EDGAR

Mar 16, 2026

Roger Mason - Director

Derivative

Common Stock

90,919

-^{footnote F1}

Mar 16, 2026

Roger Mason - Director

Derivative

Stock Option (right to buy)

500

-^{footnote F2}

Footnote F1 (price): Pursuant to the Business Combination Agreement, dated as of May 27, 2025, by and among Signing Day Sports, Inc., a Delaware corporation (the "Registrant"), One Blockchain LLC, a Delaware limited liability company, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation… Full note on SEC EDGAR
Footnote F2 (price): Pursuant to the terms of the Business Combination Agreement, on the Closing Date, the reporting person's option, which provided for vesting as to 1/12 of the shares of the Registrant's common stock subject to the option on the 9th day of each March, June, September, or December… Full note on SEC EDGAR

Mar 13, 2026

Gregory Economou - Director

Grant or award

Common Stock

90,000

$0.00

Mar 13, 2026

Peter F. Borish - Director

Grant or award

Common Stock

175,000

$0.00

Mar 13, 2026

Daniel D. Nelson - Officer

Grant or award

Common Stock

401,000

$0.00

Mar 13, 2026

Craig Steven Smith - Officer

Grant or award

Common Stock

20,000

$0.00

Mar 13, 2026

Roger Mason - Director

Grant or award

Common Stock

90,000

$0.00

Mar 13, 2026

Damon Rich - Officer

Grant or award

Common Stock

50,000

$0.00

Dec 12, 2024

Craig Steven Smith - Officer

Tax withholding / forfeiture

Common Stock

2,475

$3.24

$8K

Dec 12, 2024

Jeffry Hecklinski - Officer

Tax withholding / forfeiture

Common Stock

2,613

$3.24

$8K

Dec 12, 2024

Roger Mason - Director

Tax withholding / forfeiture

Common Stock

540

$3.24

$2K

Dec 12, 2024

Gregory Economou - Director

Tax withholding / forfeiture

Common Stock

540

$3.24

$2K

Dec 12, 2024

Damon Rich - Officer

Tax withholding / forfeiture

Common Stock

604

$3.24

$2K

Dec 12, 2024

Daniel D. Nelson - Officer

Tax withholding / forfeiture

Common Stock

7,500

$3.24

$24K

Dec 12, 2024

Peter F. Borish - Director

Tax withholding / forfeiture

Common Stock

723

$3.24

$2K

Oct 16, 2024

Roger Mason - Director

Grant or award

Common Stock

70,000

$0.00

Oct 16, 2024

Jeffry Hecklinski - Officer

Grant or award

Common Stock

350,000

$0.00

Oct 16, 2024

Gregory Economou - Director

Grant or award

Common Stock

70,000

$0.00

Oct 16, 2024

Daniel D. Nelson - Officer

Grant or award

Common Stock

1,000,000

$0.00

Oct 16, 2024

Damon Rich - Officer

Grant or award

Common Stock

125,000

$0.00

Oct 16, 2024

Craig Steven Smith - Officer

Grant or award

Common Stock

350,000

$0.00

Oct 16, 2024

Peter F. Borish - Director

Grant or award

Common Stock

50,000

$0.00